Agilent Technologies 8504B Page 116 User Manual Download

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FINAL

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Summary of Contents for 8504B

Page 1: ...s underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of their respective...

Page 2: ...FINAL TRIM SIZE 7 5 in x 9 0 in User s Guide Agilent 8504B Precision Re ectometer ...

Page 3: ...r errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Restricted Rights Legend Use duplication or disclosure by the U S Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 for DOD agencies and subparagraphs c 1...

Page 4: ...to the voltage of the power supply and the correct fuse is installed Assure the supply voltage is in the speci ed range CAUTION Electrostatic discharge ESD can damage circuits associated with rear panel connectors Therefore before connecting any cable to a rear panel connector momentarily short the center and outer conductors of the cable together Avoid touching the rear panel connectors without r...

Page 5: ...pplications include Measurements of launch optics for lasers and opto electronic integrated circuits Measurements of passive ber optic devices such as couplers attenuators connectors and isolators High resolution measurements of lightwave path discontinuities based on a known refractive index Measurement of refractive index of material based on a known distance between two discontinuities High res...

Page 6: ...tometer you can display multiple re ections from the device that you are testing For example the following gure shows an LED device with ve re ective surfaces For each surface the gure shows the corresponding response on the precision re ectometer s display v ...

Page 7: ...fter the instrument has warmed up for 1 hour Before making any measurements Front paneladapters canbe changed The precision re ectometer s three front panel connectors are compatible with 9 125 m ber optic cables All three connectors are adapters that can be easily changed or removed for cleaning Simply unscrew each adapter in a counterclockwise direction Useful measurements are achievable with ot...

Page 8: ...clean sweep has been taken Avg Sweep to sweep averaging is on The averaging count is shown immediately below this notation C Error correction measurement calibration is on D Dispersion correction is on This notation is available for the 1550 nm source only ext Waiting for an external trigger at the rear panel Hld Hold sweep OVL Amplitude of re ected signal at test port is too large vii ...

Page 9: ...e e ective immediately and require no units terminator 4G n5 Terminates numeric keypad entries with 1069 multiplier 4M 5 Terminates numeric keypad entries with 1066 multiplier 4K m5 Terminates numeric keypad entries with 1063 multiplier 4x15 Terminates unitless entries such as averaging factors 4ENTRY OFF5 Disables the keypad knob and step keys until another function is selected viii ...

Page 10: ...eatening hazard It calls attention to a procedure which if not correctly performed or adhered to could result in injury or loss of life Do not proceed beyond a warning sign until the indicated conditions are fully understood and met Instruction Manual L The instruction manual symbol The product is marked with this symbol when it is necessary for the user to refer to the instructions in the manual ...

Page 11: ...ments are traceable to the United States National Institute of Standards and Technology NIST to the extent allowed by the Institute s calibration facility and to the calibration facilities of other International Standards Organization members Product maintenance agreements and other customer assistance agreements are available for Agilent Technologies products For any assistance contact your neare...

Page 12: ...hnologies for use with an instrument will execute its programming instructions when properly installed on that instrument Agilent Technologies does not warrant that the operation of the instrument or software or rmware will be uninterrupted or error free Limitation of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer Buyer supplie...

Page 13: ...FINAL TRIM SIZE 7 5 in x 9 0 in ...

Page 14: ...ument 1 26 To return the instrument for service 1 27 Agilent Technologies Sales and Service O ces 1 29 2 Performing Guided Setups and Calibrations Running Guided Setups and Calibrations 2 6 To perform a guided setup devices with pigtail 2 7 To perform a guided setup devices without pigtail 2 13 To perform a guided calibration 2 18 Performing Manual Calibrations 2 20 To balance the receiver 2 23 To...

Page 15: ...ts 3 23 To display or hide limit lines 3 23 To turn on limit testing 3 24 Tutorial Using Limit Lines 3 25 Storing Traces to Memory 3 34 To view memory traces 3 35 Saving Instrument States to Registers 3 36 To save to a register 3 38 To recall a register 3 38 To increase user memory 3 39 Saving Instrument States to Files 3 40 To save to a disk 3 41 To change a le name 3 42 To recall an external le ...

Page 16: ...onnectors 5 11 Block Diagram 5 52 Front Panel Fiber Optic Adapters 5 53 Part Numbers 5 54 Instrument Options 5 55 Line Power Cables 5 56 6 Speci cations and Regulatory Information Speci cations 6 4 LED Classi cation 6 4 Return Loss Measurement Range 6 5 Return Loss Uncertainty 6 6 Sweep to Sweep Repeatability 6 8 Two Event Spatial Accuracy 6 9 Two Event Spatial Resolution 6 10 Spurious Responses 6...

Page 17: ...FINAL TRIM SIZE 7 5 in x 9 0 in Contents ...

Page 18: ...FINAL TRIM SIZE 7 5 in x 9 0 in 1 Installing ...

Page 19: ...rohibited The correct fuse types are listed on the rear panel of each instrument section WA RNING If this product is to be energized via an external autotransformer for voltage reduction make sure that its common terminal is connected to a neutral earthed pole of the power supply CA UTION When installing the product in a cabinet the convection into and out of the product must not be restricted The...

Page 20: ...the rear panel cables 1 10 Step 5 Verify Operation 1 11 To replace the line fuse 1 19 Cleaning Connections for Accurate Measurements 1 21 To clean a non lensed connector 1 23 To clean an adapter 1 24 To test insertion loss 1 24 To test return loss 1 25 Returning Your Instrument 1 26 To return the instrument for service 1 27 Agilent Technologies Sales and Service O ces 1 29 1 3 ...

Page 21: ...aiting for a settlement from the transportation company Notify the customer engineer of any problems PrecisionRe ectometerAccessories Item Quantity Standard Wood box 1 100 cm FC PC ber optic cable 2 Fiber optic cable adapter1 1 Low re ection termination 1 Cotton swabs 1 Tape measure 3 m 1 Rear panel BNC cable 1 Rear panel IO INTERCONNECT cable 1 Rear panel line power cable 1 Option 001 Accessory K...

Page 22: ...bels on the precision re ectometer s rear panel Make sure that the serial number and options listed on the labels match the serial number and options listed on the shipping document 2 Place the lightwave section on a steady sturdy work surface 3 Place the display processor on top of the lightwave section so that the front edge of the display processor is about 0 6 cm 0 25 in in front of the lightw...

Page 23: ...together 5 Con rm that the two instruments are locked together by very gently lifting up on the front of the display processor If the display processor separates from the lightwave section they are not locked together properly 6 Tighten the rear panel thumbscrews on the locking feet 7 Ensure that there is a minimum of seven centimeters three inches free space around the instrument to provide for a...

Page 24: ...termine the line voltage of the AC power source The line power cords should not be connected to the precision re ectometer at this time 2 Use a small at blade screwdriver to set the display processor s line voltage selector switch to the value determined in step 1 3 Use a small at blade screwdriver to open the display processor s pull out fuse drawer See the following gure 1 7 ...

Page 25: ...both line switch settings is a F3 0A 250V part number 2110 0780 Notice that an extra fuse is provided in a drawer located on the fuse holder 5 On the lightwave section use a at blade screwdriver to pry open the line module cover door The cover door is hinged on the left side Pry beneath the tag that is located along the cover door s right side edge See the following gure 1 8 ...

Page 26: ...or cam from the line module 7 Rotate the voltage selector cam to the desired voltage When the line module cover is closed the selected voltage will be visible through a small window 8 Insert the voltage selector cam back into the line module 9 Verify that the value of the line voltage fuse in the pull out draw is correct The recommended fuse for 100V and 120V operation is a F1 5A 250V part number ...

Page 27: ... or outside of the instrument is likely to make the instrument dangerous Intentional interruption is prohibited CA UTION Always use the three prong AC power cord supplied with this instrument Failure to ensure adequate earth grounding by not using this cord may cause instrument damage 1 Connect the I O interconnect cable between the display processor and the lightwave section 2 Connect the BNC cab...

Page 28: ...facturer s data sheet for any torque recommendations 1 Turn the precision re ectometer on and allow it to warm up for at least one hour 2 Clean all cable connectors and front panel optical ports Refer to Cleaning Connections for Accurate Measurements for information on cleaning connectors 3 Attach one of the 100 cm ber optic cables to the front panel TEST PORT connector When mating Super PC connec...

Page 29: ... must be equal in length in order for re ections to be viewed on the display 6 Press 4PRESET5 The wavelength defaults to 1300 nm NOT E Do not move the reference extension cable for the rest of this procedure Any movement of this cable will change the reference signal polarization and will invalidate the calibration 1 12 ...

Page 30: ... ectionTermination 9 Adjust the two front panel REFERENCE POLARIZATION BALANCE knobs until the line is in the shaded area See the following gure 10 Press NNNNNNNNNNNNNN DONE 11 Disconnect the low re ection termination from the ber optic cable 12 Press NNNNNNNNNNNNNNNNNNNNNNN FRESNEL and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MEASURE STANDARD The end of the cable is providing a Fre...

Page 31: ...snel response 15 Press 4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MAX SEARCH and then NNNNNNNNNNNNNNNNNNNNNNNNNN MKR ZOOM This expands the display around the Fresnel response Wait for the response to move to the center of the display 16 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MAX SEARCH and read the marker s amplitude value on the display If the value is not within the values shown below thoroughl...

Page 32: ...FINAL TRIM SIZE 7 5 in x 9 0 in Installing Step5 VerifyOperation Markershowingpeakvalue with1300nmsource 17 Connect a coupling adapter to the end of the TEST PORT ber optic cable 1 15 ...

Page 33: ... Observe the Fresnel re ection of this connector as you insert the cable 19 Repeatedly press NNNNNNNNNNNNNNNNNNNNNNNNNN MKR ZOOM as you slowly insert the connector into the adapter until the span is 1 mm The Fresnel response should be as close to the original response as possible and can still be resolved See the following gure 1 16 ...

Page 34: ...NNNNNNNNNNNNNNNNNNNNNNN MAX SEARCH and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER FIXED MKR to turn on the delta marker and to reference the xed marker to zero on one of the peaks 22 Turn the front panel knob to center the marker on the other peak 23 The displayed spatial resolution shown in the marker area should be less than the following values 1300 nm source 0 025 m...

Page 35: ...yOperation Deltamarker showingspatialresolution 24 Press 4PRESET5 25 Press 4MENU5 and then NNNNNNNNNNNNNNNNNNNNNNN 1550 nm 26 Remove the coupling adapter from the ber optic cable and repeat this procedure from step 7 to check the operation at 1550 nm 1 18 ...

Page 36: ...ace the line fuse To change the fuse on the display processor section 1 Disconnect the line power cord from the display processor section 2 Use a small at blade screwdriver to open the pull out fuse drawer as shown in the following gure 1 19 ...

Page 37: ...tion 1 Disconnect the line power cord from the lightwave section 2 On the lightwave section use a at blade screwdriver to pry open the line module cover door The cover door is hinged on the left side Pry beneath the tag that is located along the cover door s right side edge See the following gure 3 Pull out the fuse drawer The following list shows the recommended fuse 100V and 120V operation F1 5A...

Page 38: ... gaps damaged ber ends contamination and improper use and removal of index matching compounds Use dry connections Dry connectors are easier to clean and to keep clean Dry connections can be used with physically contacting connectors for example Diamond HMS 10 HP FC PC DIN and ST If a dry connection has 40 dB return loss or better making a wet connection will probably not improve and can degrade pe...

Page 39: ... characteristic of a lightwave connector Typical values are less than 1 dB of loss and sometimes as little as 0 1 dB of loss with high performance connectors Return loss is another important factor It is a measure of re ection the less re ection the better the larger the return loss the smaller the re ection The best physically contacting connectors have return losses better than 50 dB although 30...

Page 40: ... the swab or lens paper back and forth across the ber end several times Some amount of wiping or mild scrubbing of the ber end can help remove particles when application of alcohol alone will not remove them This technique can remove or displace particles smaller than one micron 5 Immediately dry the ber end with a clean dry lint free cotton swab or lens paper 6 Blow across the connector end face ...

Page 41: ...pter with a clean dry foam swab 4 Blow through the adapter using ltered dry compressed air Nitrogen gas or compressed dust remover can also be used CA UTION Do not shake tip or invert compressed air canisters because this releases particles in the can into the air Refer to instructions provided on the compressed air canister To test insertion loss Use an appropriate lightwave source and a compatib...

Page 42: ... to test return loss Examples of test equipment con gurations include the following equipment 8703 lightwave component analyzer 8702 analyzer with the appropriate source receiver and lightwave coupler 8504 precision re ectometer 8153 lightwave multimeter with a source and power sensor module in conjunction with a lightwave coupler 81554SM dual source and 81534A return loss module 1 25 ...

Page 43: ...e original shipping containers and materials or their equivalents Agilent Technologies o ces can provide packaging materials identical to the original materials CA UTION Packaging materials not speci ed can result in instrument damage Never use styrene pellets to package electronic instruments The pellets do not adequately cushion the instrument do not prevent all instrument movement and can gener...

Page 44: ...d corrugated cardboard carton of 159 kg 350 lb test strength The carton must be both large enough and strong enough to accommodate the instrument Allow at least three to four inches on all sides of the instrument for packing material c Surround the equipment with three to four inches of packing material to protect the module and to prevent movement in the carton If packing foam is not available th...

Page 45: ... person Phone Model number Serial number P O number Accessories returned with unit none cables s power cable adapter s Other Service Needed calibration only repair repair and calibration Other Failure symptoms and special control settings If unit is part of system list model number s of other interconnected instruments 1 28 ...

Page 46: ...rvice O ces O ce Location Phone Number Austria 01 25125 7171 Belgium 32 2 778 37 71 Brazil 11 7297 8600 China 86 10 6261 3819 Denmark 45 99 12 88 Finland 358 10 855 2360 France 01 69 82 66 66 Germany 0180 524 6330 India 080 34 35788 Italy 39 02 9212 2701 Ireland 01 615 8222 Japan 81 426 56 7832 Korea 82 2 3770 0419 Mexico 5 258 4826 Netherlands 020 547 6463 Norway 22 73 57 59 Russia 7 095 797 3930...

Page 47: ...FINAL TRIM SIZE 7 5 in x 9 0 in Installing ...

Page 48: ...FINAL TRIM SIZE 7 5 in x 9 0 in 2 Performing Guided Setups and Calibrations ...

Page 49: ... two procedures ensure maximum accuracy for your measurements They remove DC o sets and polarization sensitivity They also set a calibrated reference level Guided setups not only calibrate the instrument but they also select the source and display instructions for both pigtailed and non pigtailed devices Manually calibrating the instrument is generally faster that using the guided calibration When...

Page 50: ...turn o calibration data 2 28 To enter the standard s re ection percentage 2 28 To turn chromatic dispersion correction on and o 2 28 To use the Option 001 cable tray 2 29 NOTE In order to ensure a successful calibration clean all ber optic connectors prior to the calibration Refer to Cleaning Connections for Accurate Measurements in Chapter 1 in this chapter Somehardwareis required You ll need the...

Page 51: ...ther cable connects the front panel REFERENCE EXTENSION A and B connectors The REFERENCE EXTENSION cable must be equal in length or slightly shorter than the TEST PORT cable The relative lengths of these two cables determine the position of the Fresnel re ection from the end of the TEST PORT cable on the screen If the REFERENCE EXTENSION cable is too long or too short the measured response may not...

Page 52: ... REFERENCE EXTENSION A and B on the front during or after a calibration Moving this cable changes the polarization and voids the calibration If you have an Option 001 accessory kit use the kit s cable tray to help keep the reference extension cable stationary Unlike the reference extension cable the test port cable is una ected by changes in polarization due to cable bending Therefore this cable m...

Page 53: ...rument to a known state During a guided calibration a polar vector display shows polarization balance between two receivers in the instrument After manually adjusting the polarization balance using the front panel knobs the precision re ectometer mathematically compensates for any polarization imbalance between the TEST PORT cable and the REFERENCE EXTENSION paths To complete the calibration a sta...

Page 54: ... Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CLASSIFY DEVICE and then NNNNNNNNNNNNNNNNNNNNNNN PIGTAIL Selectcables 4 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CONNECT CABLES 5 Measure the length of the device s pigtail Include the length of any additional cable used to connect the device to the front panel TEST PORT connector 6 Based on the length measured in the preceding step ...

Page 55: ...65 40 125 175 350 375 75 100 175 365 390 40 150 175 375 400 50 150 175 1 Lengths are in centimeters 2 Standard length cables from Option 001 accessory kit Lengths are in centimeters 7 Connect the cables assembled in the preceding step between front panel REFERENCE EXTENSION connectors A and B If you have an Option 001 accessory kit you can stabilize the cable with the cable tray Coil the cable aro...

Page 56: ...d Press 4AVG5 and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AVERAGING ON e Wait for the instrument to average 16 sweeps On the left side of the graticule the Avg number will count to 16 f Press 4SYSTEM5 and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN GUIDED SETUP and follow the prompts on the screen 12 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CONNECT TERMINATION 13 Disco...

Page 57: ...ded Setups and Calibrations BalanceReceiver 16 Adjust the two polarization balance knobs until the line is in the shaded area 17 Press NNNNNNNNNNNNNN DONE NOT E After balancing the receiver do not move the extension cable or the balance knobs Movement degrades measurement accuracy 2 10 ...

Page 58: ...ibration standards cables connectors or devices may have other re ection values 20 If you are using cables from the Option 001 accessory kit press NNNNNNNNNNNNNNNNNNNNNNN FRESNEL If you are using another standard perform the following steps a Obtain the standard s re ection return loss in dB b Enter this value using the NNNNNNNNNNNNNNNNNNNNNNNNNN USER STD softkey 21 Press NNNNNNNNNNNNNNNNNNNNNNNNN...

Page 59: ...SPAN5 and marker keys to optimize the displayed response Reducing the span increases measurement speed improve resolution and increase dynamic range To improve the signal to noise ratio use averaging Turn on averaging by pressing 4AVG5 and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AVERAGING on OFF so that NNNNNNNN ON is highlighted 2 12 ...

Page 60: ...BLES 5 Locate two ber optic cables that are of equal length 6 Connect one of the cables between front panel REFERENCE EXTENSION connectors A and B If you have an Option 001 accessory kit you can stabilize the cable with the cable tray Coil the cable around as necessary If you are using more than one cable place the mid connectors in the wide part of the slot Let the ends of the cable protrude from...

Page 61: ...RAGING ON e Wait for the instrument to average 16 sweeps On the left side of the graticule the Avg number will count to 16 f Press 4SYSTEM5 and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN GUIDED SETUP and follow the prompts on the screen 11 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CONNECT TERMINATION 12 Disconnect the device from the TEST PORT cable Connecttermination 13 U...

Page 62: ...rforming Guided Setups and Calibrations RunningGuided SetupsandCalibrations 16 Press NNNNNNNNNNNNNN DONE NOTE After balancing the receiver do not move the extension cable or the balance knobs Movement degrades measurement accuracy 2 15 ...

Page 63: ... correct value is 14 7 dB 3 37 Other calibration standards cables connectors or devices may have other re ection values 18 If you are using the supplied cables press NNNNNNNNNNNNNNNNNNNNNNN FRESNEL If you are using another standard perform the following steps a Obtain the standard s re ection return loss in dB b Enter this value using the NNNNNNNNNNNNNNNNNNNNNNNNNN USER STD softkey 19 Press NNNNNN...

Page 64: ...ART5 and 4STOP5 4CENTER5 and 4SPAN5 and marker keys to optimize the displayed response Reducing the span increases measurement speed improve resolution and increase dynamic range To improve the signal to noise ratio use averaging Turn on averaging by pressing 4AVG5 and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AVERAGING on OFF so that NNNNNNNN ON is highlighted 2 17 ...

Page 65: ...AL 4 Locate two ber optic cables that are of equal length 5 Connect one of the cables between front panel REFERENCE EXTENSION connectors A and B 6 If you plan to measure a device that has a pigtail continue at step 13 in To perform a guided setup devices with pigtail in this chapter 7 If you plan to measure a device that does not have a pigtail do the following steps a Connect the second ber optic...

Page 66: ...FINAL TRIM SIZE 7 5 in x 9 0 in Performing Guided Setups and Calibrations RunningGuided SetupsandCalibrations 2 19 ...

Page 67: ...ail during the balance receiver calibration the low re ection termination is connected directly to the TEST PORT connector instead of at the end of a cable During the magnitude calibration a ber optic cable that is the same length as the pigtail is connected to the TEST PORT connector Calibrationstandards areprovided A magnitude calibration consists of measuring a standard of known re ection at th...

Page 68: ...The receiver contains a polarization splitter that splits any incoming light into two orthogonal polarizations Refer to Block Diagram in Chapter 5 for a block diagram of the instrument A photodiode mixes the optical elds re ected from the two arms of the interferometer and generates the interference signal in each polarization To ensure proper operation of the receiver the reference arm re ections...

Page 69: ...h of the dispersion mismatch This e ect is consistent and has been corrected out by the precision re ectometer The instrument assumes a dispersion coe cient of 17 ps nm km The result of this correction leaves a residual error on the order of 60 3 dB If the path to the device being tested is both in ber and an open beam the e ects are very di cult to remove from the measurement subsequent uncertain...

Page 70: ...f you plan to measure a device that does not have a pigtail connect a low re ection termination to TEST PORT using the remaining ber optic cable 5 If you plan to measure a device that has a pigtail connect a low re ection termination directly to the TEST PORT NOTE Do not move the reference extension cable for the rest of this procedure Any movement of this cable will change the reference signal po...

Page 71: ...FINAL TRIM SIZE 7 5 in x 9 0 in Performing Guided Setups and Calibrations PerformingManualCalibrations 9 Press NNNNNNNNNNNNNN DONE 10 Remove the low re ection termination 2 24 ...

Page 72: ...he length of the cable that is attached to the REFERENCE EXTENSION connectors 3 Press 4CAL5 and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MENU 4 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MAGNITUDE 5 Select a standard Press NNNNNNNNNNNNNNNNNNNNNNN FRESNEL to select the standard default value Press NNNNNNNNNNNNNNNNNNNNNNNNNN USER STD to use your ow...

Page 73: ...two ber optic cables that are of equal length If you plan to measure a device that has a pigtail the cables must be equal to or up to 240 mm shorter than the length of the pigtail 8 Connect one of the cables between front panel REFERENCE EXTENSION connectors A and B 9 If you plan to measure a device that does not have a pigtail connect a low re ection termination to TEST PORT using the remaining b...

Page 74: ...wer of the external source should not exceed 5 mW Power levels greater than 5 mW can damage the 8504B 14 Turn the external source on Intensity modulate the external source at 27 kHz Without the modulation the displayed response contains a high noise level 15 Adjust the two polarization balance knobs until the line is in the shaded area 16 Press NNNNNNNNNNNNNN DONE 17 Remove the low re ection termi...

Page 75: ...NNN OFF is selected To enter the standard s re ection percentage 1 Press 4CAL5 2 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MENU 3 Press NNNNNNNNNNNNNNNNNNNNNNNNNN USER STD and enter the re ection return loss in dB to be used during magnitude calibrations for your standard 4 To return to the default value press NNNNNNNNNNNNNNNNNNNNNNN FRESNEL To turn chromatic dispersion correcti...

Page 76: ...following gure Do not allow any more cable outside the cable tray than is necessary If the cable must be lengthened inside the tray by using two cables and an adapter put the connectors and adapter in the foam cutout inside the cable tray 3 Connect the remaining end of the ber optic cable to the front panel REFERENCE EXTENSION A connector CAUTION Fiber optic cable can be irrepairably damaged by be...

Page 77: ...FINAL TRIM SIZE 7 5 in x 9 0 in Performing Guided Setups and Calibrations PerformingManualCalibrations 2 30 ...

Page 78: ...FINAL TRIM SIZE 7 5 in x 9 0 in 3 Performing Measurements ...

Page 79: ...he screen the precision re ectometer can print or plot a listing of all measurement points and instrument parameters Contents Setting the Measurement Range 3 4 To select the source wavelength 3 6 To automatically tune to a response 3 7 To change the displayed scale 3 7 To change the refractive index 3 8 Reducing Displayed Noise 3 9 To reduce the displayed noise 3 11 Using Markers 3 12 To display a...

Page 80: ...change a le name 3 42 To recall an external le 3 43 To delete an external le 3 43 To format an external disk 3 43 To connect a disk drive 3 44 Changing Colors and Audible Warnings 3 45 To adjust displayed colors 3 45 To turn on the warning beep 3 45 To turn o the done beep 3 46 Printing and Plotting 3 47 To print the display 3 48 To plot the display 3 48 To print or plot measurement and parameter ...

Page 81: ...the front panel knob step keys or numeric key pad to enter the value Annotation that is displayed on the sceen shows measurement settings such as source wavelength vertical and horizontal scales reference level and refractive index You can zoom to responses swiftly using automated search and scale functions As you use the instrument notice that reducing the span makes sweep speed faster and increa...

Page 82: ...ENCE EXTENSION and TEST PORT cables are equal the rst response appears approximately one division to the right of the display s left edge in a 400 mm span This response is re ected from the end of theTEST PORT cable For every 28 millimeters that the TEST PORT cable is longer than the REFERENCE EXTENSION cable this response moves one division towards the right Twenty eight millimeters of actual ber...

Page 83: ...nnect an external source for the measurements The external source input is provided as a convenience for users with very advanced applications It is not meant for the typical user When using an external source normal calibration and correction features are not applied to the measurement data Refer to To calibrate for an external source in Chapter 2 to learn how to calibrate the precision re ectome...

Page 84: ...NNNNNNNN AUTO SCALE To change the displayed scale 1 Press 4FORMAT5 2 Select the horizontal measurement units NNNNNNNNNNNNNNNNNNNNNNNNNN DISTANCE NNNNNNNNNNNNNN TIME 3 Select the vertical scale NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN VERT LOG MAG selects a logarithmic scale NNNNNNNNNNNNNNNNNNNNNNN LIN MAG selects a linear scale 4 Press 4SCALE REF5 5 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 85: ...surements SettingtheMeasurementRange To change the refractive index 1 Press 4MEAS5 2 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN REFRACTIVE INDEX n and enter a refractive index value from 1 to 200 The default value is 1 3 8 ...

Page 86: ... Source Minimum Span n 1 1300 nm 1 mm 1550 nm 1 2 mm In wide spans the precision re ectometer captures more data points than it can display adjacent data points are grouped and then the maximum point for each group is displayed As the span is decreased the number of points per group decreases until all the points are displayed Since in wide spans the maximum value is averaged there is a di erence ...

Page 87: ... x 9 0 in Performing Measurements ReducingDisplayedNoise The following equation shows the algorithm An Sn Kn 0 1 0 1 Kn 1 An01 where An current average Sn current measurement Kn n for n F or F for n F F averaging factor 3 10 ...

Page 88: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AVERAGING FACTOR and enter the number of traces you want to average 3 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AVERAGING on OFF so that NNNNNNNN ON is highlighted 4 You can restart averaging at any time by pressing NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AVERAGING RESTART 3 11 ...

Page 89: ...stance and amplitude value of any response The active marker is shown on the display as a r symbol Inactive markers are shown with the 1 symbol The following gure shows markers 1 through 4 Marker 3 is active markers 1 2 and 4 are inactive Notice that marker 4 is a delta marker Delta markers measure the di erence between two positions on the display 3 12 ...

Page 90: ...pears next to the marker number on the trace The xedmarker isa specialdeltamarker reference Each of the four standard markers can only be positioned on the trace However the xed marker can be position anywhere on the screen it is not limited to the trace Use NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FIXED MKR POSITION and NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FIXED MKR VAL...

Page 91: ...ximum response The allowable excursion values range from 0 to 100 dB You can also set the level below which nothing will be considered a peak This is the peak threshold value The maximum amplitude of the response must be at least this value to be called a peak The allowable threshold values range from 0100 to 0 dB The default value is 075 dB 3 14 ...

Page 92: ...rt of a peak as de ned by peak excursion that is less than the peak threshold value is also used to satisfy the peak excursion criteria For example when the peak excursion is set to 8 dB a peak that is 4 dB above and 4 dB below the peak threshold will be considered a peak 3 15 ...

Page 93: ...o change the measurement range 1 Press 4MKR FCTN5 2 Use the front panel knob to position the marker at the desired start position Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER 1 START 3 Use the front panel knob to position the marker at the desired stop position Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER 1 STOP To make relative measurements 1 Press 4MKR5 and then NNNNNNNNNN...

Page 94: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FIXED MKR VALUE You can also specify the position value using the 4MKR5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER FIXED MKR or 4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER FIXED MKR softkeys To change the peak de nition 1 Press 4MKR FCTN5 and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PEAK SEARCH 2 Pres...

Page 95: ...FINAL TRIM SIZE 7 5 in x 9 0 in Performing Measurements UsingMarkers To turn markers o 1 Press 4MKR5 2 Press NNNNNNNNNNNNNNNNNNNNNNN all OFF 3 18 ...

Page 96: ...hapes they are ideal for pass fail testing on production lines The tutorial at the end of this section provides an excellent method of learning about limit lines It takes only a few minutes to complete Press 4SYSTEM5 and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT MENU to access limit line functions Limit lines consist of segments which are entered in tabular form in limit line tables Each segment...

Page 97: ...u can enter delta limits instead of upper and lower limits For example a device may be speci ed at 0 dB 63 dB Enter the middle value as 0 dB and the delta limits as 3 dB You can enter these values using the key pad or by setting the marker at the value and pressing NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER POSITION or NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER MI...

Page 98: ... the previous segment to the next segment line or point Unless terminated by another segment they continue to the far right of the screen Flat Lines FL are drawn as steps from the horizontal position but not vertical location of the previous segment Unless terminated by another segment they continue to the far right of the screen Single Points SP are drawn as carets or _ at the indicated position ...

Page 99: ... out of speci cation without displaying FAIL Be sure to specify a suitable number of measurement points Limitlines canbe shifted Limit lines can be o set horizontally or vertically This is useful for changing the limits to correspond with a change in the test setup or for device speci cations that di er in stimulus or amplitude It can also be used to move the limit lines away from the data trace t...

Page 100: ...UE and NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER POSITION enter the starting position or time NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN UPPER LIMIT and NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LOWER LIMIT enters absolute amplitude limits NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DELTA LIMITS and NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MIDDLE VALUE enters limits equally spaced around a middle...

Page 101: ...NNNNNNNNNNNNN LIMIT MENU and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT TEST on OFF The words PASS or FAIL should appear on the screen 3 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN BEEP FAIL on OFF so that NNNNNNNN ON is highlighted if you want the instrument to sound an alarm when a limit line is crossed 3 24 ...

Page 102: ...imit Lines Tutorial Using Limit Lines The following example procedure draws the limit lines shown below LimitLine Table SEG POSITION nm Upper dB Lower dB TYPE 1 33 000 055 0200 SL 2 34 000 09 0200 FL 3 36 000 045 0200 FL 4 36 000 045 0200 SP 5 37 000 045 0200 SP 3 25 ...

Page 103: ...een the front panel REFERENCE EXTENSION connectors A and B 4 Press 4PRESET5 5 Press 4CAL5 and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN GUIDED CAL 6 Follow the instructions on the display to calibrate the instrument You do not need to put a device on the test port cable after completing the calibration Fresnel response 7 Press 4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MAX SEARCH and then NNNNNNNNNNN...

Page 104: ... 11 Press NNNNNNNNNNN ADD to enter a limit segment and turn on a marker The re ectometer enters a default segment for you This segment is positioned horizontally at 400 mm has upper and lower vertical limits of 0 dB and is a sloping line SL It is not visible now 12 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POSITION VALUE and enter 33 mm A limit line appears on the screen at the 0 dB level...

Page 105: ... value 16 Press NNNNNNNNNNNNNN DONE to nish editing the rst limit segment 17 Press NNNNNNNNNNN ADD and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POSITION VALUE and enter a value of 34 mm 18 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN UPPER LIMIT and enter a value of 09 dB Press NNNNNNNNNNNNNN DONE This ends the rst segment at 34 mm 09 dB and starts the second segment at the same place 3 28 ...

Page 106: ...his de nes the second segment as a at line Note that Type is now FL 20 Press NNNNNNNNNNN ADD NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POSITION VALUE and enter a value of 36 dB 21 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN UPPER LIMIT and enter a value of 045 dB 22 Press NNNNNNNNNNNNNN DONE Note that at lines begin and end at the same horizontal position but are not connected See the following g...

Page 107: ...nes a single point segment Note that the single point appears on the screen as just that a single dot It is not drawn as a caret because it is de ned as a line of no length rather than a single point 24 Press NNNNNNNNNNN ADD NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POSITION VALUE and enter a value of 37 dB 25 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN UPPER LIMIT and then NNNNNNNNNNNNNN DONE No...

Page 108: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT LINE OFFSETS and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POSITION OFFSET 28 Rotate the front panel knob and observe that the limit line segments move back and forth The display shows a PASS or FAIL message depending on whether the peak response or the noise oor intersects one of the limits Position the limit lines so that the respo...

Page 109: ...NNNNNNNNNNNNNNNNNNNNN AMPLITUDE OFFSET and rotate the knob again Use the NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AMPLITUDE OFFSET cautiously because although they change the position of the limits they do not change the values in the table Nor is it evident that the values are o set Thus results can be misleading 3 32 ...

Page 110: ...FINAL TRIM SIZE 7 5 in x 9 0 in Performing Measurements CreatingLimit Lines The FAIL message 3 33 ...

Page 111: ...is updated with each sweep You can save the data trace into one of two temporary memory locations memory 1 and memory 2 Memory 1 and memory 2 can not be directly updated with each sweep You can view the data trace at the same time as a memory trace You can not view both memory 1 and memory 2 at the same time Memory traces are saved in instrument states Bothdata andmemory 1 tracesdisplayed 3 34 ...

Page 112: ...e memory trace 3 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DATA MEMORY 1 to save the data trace to the selected memory trace 4 Select the traces for display NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DISPLAY DATA to display only the data trace NNNNNNNNNNNNNNNNNNNN MEMORY to display only the memory trace NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DATA and MEMORY 1 to display...

Page 113: ...ternal register You can select the type of measurement data saved to an external disk The following types are available Corrected data also called data array Uncorrected data also called raw array Formatted array Graphics array What sa learnstring The learn string is an encoded array It contains only the data needed to set up the re ectometer to make a speci c measurement That data consists of sti...

Page 114: ... calibration data and not user calibration data When you save an instrument state to an internal register memory traces are saved in volitile memory and are erased when one of the following events occurs Instrument power is cycled 4PRESET5 is pressed Howlongwill datalastinaninternal register Instrument states last inde nitely as long as the line power cord supplies power to the instrument The inst...

Page 115: ...ollowing steps a Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TITLE REGISTER and then press a NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TITLE REG softkey to select a register b Enter the lename Turn the front panel knob to position the arrow on a character Then press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SELECT LETTER The rst letter must be a letter Only letters and numbers are allowed Do not use...

Page 116: ...oRegisters To increase user memory 1 Press 4SAVE5 on the precision re ectometer 2 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CLEAR REGISTER 3 Press the NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CLEAR REG softkeys to erase any unneeded registers The registers contents are erased 3 39 ...

Page 117: ...to store new data The disk format used by the precision re ectometer is LIF logical interchange format LIF is compatible with HP 9000 Series 300 controllers LIF is not compatible with most PCs The re ectometer will not read from write to or format disks formatted by PCs except those having the HP 82300 HP BASIC language processor For information on transferring data from an LIF disk to a PC compat...

Page 118: ...instrumentation transfer and interchange le format is an ASCII format that is useful when data needs to be exchanged with a compatible computer The following data is stored separately in the le data arrays raw data arrays formatted array and display memory array 5 Press NNNNNNNNNNNNNNNNNNNN RETURN 6 Use the NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DATA ARRAY on OFF NNNNNNNNNNNNNNNNNNN...

Page 119: ...sed in the internal registers press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN READ FILE TITLES 4 Press the softkey for the le that you want to rename and then enter the lename Turn the front panel knob to position the arrow on a character Then press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SELECT LETTER The rst letter must be a letter Only letters and numbers are allowed Do not use mathe...

Page 120: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DEFINE STORE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PURGE FILES and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN READ FILE TITLES 3 Press the softkey for the le that you want to delete To format an external disk 1 Connect a disk drive as explained in To connect a disk drive in this section 2 Press 4SAVE5 on the precision re ectometer 3 Press NNNNNNNNNN...

Page 121: ...or the external disk drive The default address is 00 5 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADDRESS DISK and enter the new address if the displayed address does not match the disk drive s actual address 6 Press 4x15 to enter the new address 7 Press NNNNNNNNNNNNNNNNNNNN RETURN 8 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DISK UNIT NUMBER enter the unit number and press 4x15 Th...

Page 122: ...reen To adjust displayed colors 1 Press 4DISPLAY5 2 Press NNNNNNNNNNNNNN MORE and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADJUST DISPLAY Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNN INTENSITY NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN BACKGROUND INTENSITY and NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MODIFY COLORS to adjust the display Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 123: ...ing Measurements ChangingColorsandAudible Warnings To turn o the done beep 1 Press 4DISPLAY5 2 Press NNNNNNNNNNNNNN MORE and then NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN BEEP DONE ON off so that NNNNNNNNNNN OFF is highlighted 3 46 ...

Page 124: ...ument parameters Plots can be made on any Hewlett Packard HP GL plotter Prints can be made on any Hewlett Packard graphics printer If the printer or plotter does not have a GPIB connector you will need to use a GPIB to Centronics interface converter The following printers support the Hewlett Packard PCL printer language ThinkJet PaintJet LaserJet For more information on printing and plotting refer...

Page 125: ... the following NNNNNNNNNNNNNNNNNNNNNNNNNN STANDARD for a black and white printer NNNNNNNNNNNNNNNNN COLOR for a color printer 6 Press 4COPY5 and then NNNNNNNNNNNNNNNNN PRINT To plot the display 1 Connect the plotter to the precision re ectometer using an HP IB cable 2 Enter the plotter s address and type as described in To enter the printer plotter type and address in this section 3 Press 4COPY5 4 ...

Page 126: ...oint varies depending on the display format and the limit testing status If limit testing is on an asterisk is listed next to any measured value that is out of limits If limit lines are on and other listed data allows su cient space the limits are listed together with the margin by which the device data passes or fails the nearest limit NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN O...

Page 127: ...NNNN ADDRESS PRINTER and enter the correct address 5 If the displayed HP IB address of the plotter does not match the plotter s actual address press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADDRESS PLOTTER and enter the correct address 6 Press 4x15 to enter the new address To abort a print or plot 1 Press 4LOCAL5 2 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TALKER LISTENER 3 50 ...

Page 128: ...FINAL TRIM SIZE 7 5 in x 9 0 in 4 Programming ...

Page 129: ...icator lights show the current HP IB status These indicators are de ned in the following table DisplayedStatusIndicators LED Indicator GPIB Mode R Remote operation L Listen mode T Talk mode S Service request SRQ status You can return the re ectometer to local front panel operation at any time by pressing the 4LOCAL5 key This is the only front panel key that is not disabled when the re ectometer is...

Page 130: ...n Programming Contents Controlling the Instrument 4 4 To select the HP IB mode 4 8 To change the HP IB address 4 8 Monitoring the Instrument 4 9 IEEE 488 2 Common Commands 4 12 Instrument Commands 4 15 Keys versus Commands 4 54 4 3 ...

Page 131: ...mode the re ectometer itself can use HP IB to control compatible peripherals without the use of an external computer It can output measurement results directly to a compatible printer or plotter and store instrument states using a compatible disk drive In pass control mode the controller can pass control of the bus to the precision re ectometer on request from the precision re ectometer The precis...

Page 132: ...the power NOTE The re ectometer does not have an HP IB address switch Usethedebugging feature The rst time a program is run you should enable the precision re ectometer s debugging feature The this feature is on the re ectometer scrolls a history of incoming HP IB commands across the display in the title line Non printable characters are represented as Any time a syntax error is received the comma...

Page 133: ... Some precision re ectometer commands can be issued as a query A query causes data to be returned to the computer from the instrument The data is returned as an ASCII string Queries are formed by adding the question mark character to the command Refer to the command listing in this chapter to determine if a command can be used as a query syntax listed for each command For example sending the follo...

Page 134: ...IB Commands are derived from their front panel key titles where possible according to the naming conventions below Some commands require arguments for example on o 1 2 Where possible the 8504 re ectometer commands are compatible with 8702 and 8703 lightwave component analyzer commands HP IBCommandNamingConvention Convention Letters Used in Command Example Key Title HP IB Code One word First four l...

Page 135: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TALKER LISTENER or NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN USE PASS CONTROL To change the HP IB address 1 Press 4LOCAL5 2 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SET ADDRESSES The display shows the current address for the precision re ectometer 3 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADDRESS HP8504 and enter the new address 4 Press...

Page 136: ...88 2 Common Commands in this chapter for information on common commands StatusByte BitDe nitions Bit Name Description 2 Check event status register B One of the enabled bits in event status register B has been set 3 Message in error queue An error has occurred and the message has been placed in the error queue but has not been read yet 4 Message in output queue A command has prepared information t...

Page 137: ...n HP IB command had incorrect syntax error spelling or use 6 User request The operator has pressed a front panel key or turned the rotary knob This bit is set regardless of whether the re ectometer is in remote or local 7 Power on A power on sequence has occurred since the last read of the register Event StatusRegisterBBit De nitions Bit Name Description 0 Sweep or group complete A single sweep or...

Page 138: ...FINAL TRIM SIZE 7 5 in x 9 0 in Programming StatusReportingRegisters 4 11 ...

Page 139: ...lower case Characters appearing in angular brackets indicate a constant a pre assigned simple or complex numeric variable or string variable transferred to the re ectometer A space may be inserted between it and the command Square brackets indicate that whatever occurs within the brackets is optional f g Braces are used to clarify which elements are to be chosen from j Or indicates a choice of exa...

Page 140: ...it 0 OPeration Complete bit in the event status register when it completes all pending operations When used in Query form the re ectometer will output a 1 when the operation is complete Its use is enabled by issuing the command OPC or OPC prior to an OPC able command For example issuing OPC SING causes the OPC bit in to be set at the completion of the single sweep Issuing OPC instead causes the re...

Page 141: ...NNNNNNN ADDRESS CONTROLLER RST Sets the re ectometer to the factory preset condition Syntax RST or PRES Equivalent key 4PRESET5 SRE Service request enable The value is the mask which enables speci c bits in the status byte for generating an SRQ Syntax SRE value STB Reads the status byte Syntax STB TST Executes an internal self test and returns the test result 0 pass 1 fail Syntax TST 4 14 ...

Page 142: ...le transferred to the re ectometer A space may be inserted between it and the command Square brackets indicate that whatever occurs within the brackets is optional f g Braces are used to clarify which elements are to be chosen from j Or indicates a choice of exactly one element from a list for example a j b indicates a or b but not both Commandswithout EquivalentSoftkeys CLES KEY OUTPKEY ESB KOR O...

Page 143: ...he HP IB address which the re ectometer uses to communicate with an external disk drive Syntax ADDRDISK value Item Description value 0 to 30 default 0 Equivalent softkey 4LOCAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADDRESS DISK ADDRPLOT Sets the HP IB address which the re ectometer uses to communicate with a plotter Syntax ADDRPLOT value Item Description value 0 to 30 default 5 Equivalent sof...

Page 144: ...factor Syntax AVERFACT value Item Description value 1 to 999 Equivalent softkey 4AVG5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AVERAGING FACTOR AVERO Sets the averaging function on or o Syntax AVERO ON OFF Equivalent softkey 4AVG5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AVERAGING on OFF AVERREST Resets and restarts averaging Syntax AVERREST Equivalent softkey 4AVG5 NNNNNNNNNNN...

Page 145: ...s o sets Syntax BALR Equivalent softkey 4DISPLAY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN BALANCE RECEIVER BEEPDONE Sets the operation completion beeper on or o Syntax BEEPDONE ON OFF Equivalent softkey 4DISPLAY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN BEEP DONE on off BEEPFAIL Sets the limit fail beeper on or o Syntax BEEPFAIL ON OFF Equivalent softkey 4SYSTEM5 NNNNNNNNNNNNN...

Page 146: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MAGNITUDE CALFRES Speci es default Fresnel standard as calibration standard Syntax CALFRES Equivalent softkey 4CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MAGNITUDE CALUSER Speci es user de ned standard as calibration standard Syntax CALUSER Equivalent softkey 4CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 147: ...ARALL Clears all ve save recall registers Syntax CLEARALL Equivalent softkey 4SAVE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNN CLEAR ALL CLES Clears the status byte the event status register and the event status register B Syntax CLES CLS Clears the status byte the event status register and the event status register B Syntax CLS COLO Speci es the display element to change color data and limit lines memory 1 me...

Page 148: ... to 100 Equivalent softkey 4DISPLAY5 NNNNNNNNNNNNNNNNN COLOR CONT Continuous trigger Syntax CONT Equivalent softkey 4MEAS5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CONTINUOUS COPYFRFT Copies the disk le titles into the register titles Syntax COPYFRFT Equivalent softkey 4SAVE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN COPY FROM FILE TITLE COPYFRRT Copies the register titles into the di...

Page 149: ...F DEFC Returns all traces lines and text to the default colors Syntax DEFC Equivalent softkey 4LOCAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DEFAULT COLORS DELO Sets the delta marker mode o Syntax DELO Equivalent softkey 4MKR5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN 1 MODE OFF DELR Sets the indicated marker as the delta reference Syntax DELR 1 2 3 4 Equivalent softkey 4MKR5 NNNNNNNNNNNNNNNNNNNNNNNN...

Page 150: ...U Speci es the volume number in a disk drive that allows multiple volumes for disk store load Syntax DISKVOLU volume number Equivalent softkey 4LOCAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DISK UNIT NUMBER DISM Enable disable the display of all markers that have been individually turned on below active marker area upper right hand corner of display Syntax DISM ON OFF Equivalent softke...

Page 151: ... NNNNNNNNNNNNNNNNNNNN MEMORY DIST Formats the horizontal axis as distance Syntax DIST Equivalent softkey 4DISPLAY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN HORIZ DISTANCE DOWN Decrements the value in the active entry area Down arrow key in the ENTRY area Syntax DOWN EDITLIML Begins editing the limit line table Syntax EDITLIML Equivalent softkey 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 152: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DEFINE INIT PURGE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DATA ARRAY on OFF EXTMFORM Enable disable storage of formated data when a le is stored to disk Syntax EXTMFORM ON OFF Equivalent softkey 4SAVE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DEFINE INIT PURGE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FORMA...

Page 153: ... value 1 to 200 default 1 Equivalent softkey 4MEAS5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TRIGGER TRIG OFF FORM1 Sets the format for data transfer to the re ectometer s internal format Syntax FORM1 FORM2 Sets the format for data transfer to the IEEE 32 bit oating point Syntax FORM2 FORM3 Sets the format for data transfer to the IEEE 64 bit oating point Syntax FORM3 FORM4 Sets the form...

Page 154: ...and is followed by magnitude calibration Syntax GUIC Equivalent softkey 4CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN GUIDED CAL GUIS Initiates guided setup a series of screens with prompts to set up and calibrate the re ectometer Syntax GUIS GROI Sets value of n group index of refraction of the medium under test Rescales horizontal axis when distance format is selected This command is equivalent to the ...

Page 155: ... This command is identical to the OUTPIDEN command Syntax IDN INID Initializes the disk Logical Interchange Format LIF Syntax INID Equivalent softkey 4MEAS5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN INITIALIZE DISK INPUDATA Inputs the error corrected data The re ectometer will stop sweeping and display the data Syntax INPUDATA value Item Description value Complex number Data format data 0 IN...

Page 156: ...d Syntax INPULEAS value INPURAW1 Inputs raw data The re ectometer will stop sweeping and display the data Syntax INPURAW1 value Item Description value Complex number Data format data1 data2 INTE Sets the display intensity as a percent of the brightest setting Syntax INTE value Item Description value 0 to 100 Equivalent softkey 4DISPLAY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNN INTENSITY 4 29 ...

Page 157: ... in x 9 0 in Programming InstrumentCommands KEY Inputs the key code for a hardkey or a softkey on the front panel This is equivalent to actually pressing a key Syntax KEY value Item Description value 0 to 49 KeyCodes 4 30 ...

Page 158: ...se respectively Syntax KOR LEFL Sets the plot quadrant to left lower Syntax LEFL Equivalent softkey 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LEFT LOWER LEFU Sets the plot quadrant to left upper Syntax LEFU Equivalent softkey 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LEFT UPPER LIMD Sets the limits delta value from the speci ed middle value Syntax LIMD value suffix Item Description value Format depend...

Page 159: ...NNNNNNNNNNNN MARKER AMP OFS LIMIPOSO Sets a position o set value for limit testing Syntax LIMIPOSO value suffix Item Description value Domain dependent suffix DB MM UM NM S MS US NS PS FS Equivalent softkey 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POSITION OFFSET LIMITEST Sets the limit testing on or o Syntax LIMITEST ON OFF Equivalent softkey 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 160: ... Item Description value Domain dependent suffix DB MM UM NM S MS US NS PS FS Equivalent softkey 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POSITION VALUE LIMT Speci cs the limit type as a at line sloping line or single point segment Syntax LIMT FL SL SP Equivalent softkey 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT TYPE LIMU Sets the upper limit value for a limit testing segment Syn...

Page 161: ...NNNNNNNNNN LINE TYPE MEMORY LISV Displays a tabular listing of all the position values and their current measured values Syntax LISV Equivalent softkey 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIST VALUES LOAD Load the le associated with position f1 5g from disk Requires pass control To load a le by title use the TITFf1 5g to rst put the le name into the position 1 5 desired then LOADf1 5g Synta...

Page 162: ...NNNNNNNNNNNN MARKER 4 MARKBUCK Moves the active marker to speci ed data point number Syntax MARKBUCK value Item Description value 0 to 400 MARKCENT Changes the stimulus center value to the active marker value Syntax MARKCENT Equivalent softkey 4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER CENTER MARKFIXM Puts a xed reference marker at the present active marker position and ma...

Page 163: ...ax MARKFVAL value suffix Item Description value Format dependent suffix DB MM UM NM S MS US NS PS FS Equivalent softkey 4MKR5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FIXED MKR VALUE MARKMAXI Moves the active marker to the maximum point on the trace This command is identical to the MAXS command Syntax MARKMAXI Equivalent softkey 4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MAX SEARCH MARKMID...

Page 164: ...NNNNNNNNNNNNNNNNNNNNNNNNNNN NEXT PEAK RIGHT MARKPOSI While editing a limit segment sets the position value to the active marker value Syntax MARKPOSI Equivalent softkey 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER POSITION MARKPTRA Places the active marker on the peak nearest its current position and while this function is on places the active marker at the nearest peak...

Page 165: ...4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER STOP MARKZERO Puts a xed reference marker at the present active marker position and makes the xed marker stimulus and response values at that position equal to zero This command is identical to the MARKFIXM command Syntax MARKZERO Equivalent softkey 4MKR5 or 4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER FI...

Page 166: ...memory Syntax MEMO 1 2 Equivalent softkey 4DISPLAY5 NNNNNNNNNNNNNNNNNNNNNNNNNN MEMORY 1 and NNNNNNNNNNNNNNNNNNNNNNNNNN MEMORY 2 MENU Specify display of the top level menu for each of the hard keys Must be preceded by the MENUON command Syntax MENU AVG CAL COPY DISP FORM MARK MEAS MRKF RECA SAVE SCAL STIM SYST MENUON Turns on the display of the current menu Must precede the display of a particular ...

Page 167: ...by replying to the interrogation form of the command OPC Syntax OPC OPEP Lists the key parameters on the display Syntax OPEP Equivalent softkey 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN OPERATING PARAMETERS OUTPACTI Outputs the active entry area function value or the value of the last active function if the active entry area is o Syntax OUTPACTI OUTPDATA Outputs the err...

Page 168: ... key codes that correspond to front panel keys OUTPLEAS Outputs the learn string which contains the current instrument state of the re ectometer Syntax OUTPLEAS OUTPLIMF Outputs the limit test results only for the failed points Data format position result 0 for fail 1 for no test upper limit lower limit Form 4 Syntax OUTPLIMF OUTPLIML Outputs the limit test results for each point Data format posit...

Page 169: ...y Data format data1 data2 Syntax OUTPRAW1 OUTPTITL Outputs the display title less than 54 characters Syntax OUTPTITL PCB Sets the HP IB address which the re ectometer uses to communicate with an external controller This address must match that set on the system controller s interface in order for USEPASC to function properly The default value 21 is set for the HP 9000 series 200 300 computers This...

Page 170: ...00 default 6 Equivalent softkey 4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PEAK EXCURSION PEAKTHRE Sets the threshold value that a data point must be above to be de ned as a peak during a peak search Syntax PEAKTHRE value Item Description value 0100 to 0 default 070 Equivalent softkey 4MKR FCNT5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PEAK THRESHOLD PENN Selects the pen number fo...

Page 171: ...NNNNNNNNNNN PLOT PREP Displays the previous page of information in a tabular listing onto the display Syntax PREP Equivalent softkey 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNN PREV PAGE PRES Sets the re ectometer to the factory preset condition Syntax PRES Equivalent key 4PRESET5 PRINALL Copies the measurement display to the printer Syntax PRINALL Equivalent softkey 4COPY5 NNNNNNNNNNNNNNNNN PRINT PRIC S...

Page 172: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN STORE TO DISK RECA Recall internal register 1 2 3 4 or 5 Syntax RECA 1 2 3 45 RECO Recalls the previously saved color set Syntax RECO Equivalent softkey 4DISPLAY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN RECALL COLORS REFP Sets the position of the reference line on the graticule of a Cartesian format Syntax REFP value Item Description value 0 to 10 div Equivalent...

Page 173: ...rement display to the screen Syntax RESD Equivalent softkey 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN RESTORE DISPLAY REST Aborts the sweep in progress then restarts the measurement Syntax REST Equivalent softkey 4MEAS5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MEASURE RESTART RIGL Draws a quarter page plot in the lower right quadrant of the page Syntax RIGL Equivalent softkey 4...

Page 174: ...AVE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN STORE TO DISK NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DEFINE STORE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DISK FILE FORMAT SAVUBINA Stores appropriate les to disk as binary les Syntax SAVUBINA Equivalent softkey 4SAVE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN STORE TO DISK NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DEFINE STORE NNNNNNNNNNNNNNN...

Page 175: ...PLOT SDEL Deletes a segment from the limit line table Syntax SDEL Equivalent softkey 4SYSTEM5 NNNNNNNNNNNNNNNNNNNN DELETE SDON Completes editing the limit table Syntax SDON Equivalent softkey 4SYSTEM5 NNNNNNNNNNNNNN DONE SEDI Determines a segment of the limit line table Syntax SEDI value Item Description value Depends on table type Equivalent softkey 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNN SEGMENT NNNNNN...

Page 176: ...m SOUR1550 Select 1550 nm source Syntax SOUR1550 Equivalent softkey 4MENU5 NNNNNNNNNNNNNNNNNNNNNNN 1550 nm SOUREXT Select external source and set wavelength Syntax SOUREXT value Item Description value 1200 to 1600 Equivalent softkey 4MENU5 NNNNNNNNNNNNNNNNNNNNNNNNNN EXTERNAL SOUROFF Turn o internal sources Syntax SOUROFF Equivalent softkey NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SOURCE OFF SPAN Sets the ...

Page 177: ... Equivalent softkey 4MENU5 NNNNNNNNNNNNNNNNN START STB Reads the status byte Syntax STB STOP De nes the stop value of the stimulus Syntax STOP value suffix Item Description value Domain dependent suffix DB MM UM NM S MS US NS PS FS Equivalent softkey 4MENU5 NNNNNNNNNNNNNN STOP STOR Store the le associated with position 1 2 3 4 or 5 to disk Requires pass control To store a le by title use TITF rst ...

Page 178: ...E Equivalent softkey 4FORMAT5 NNNNNNNNNNN IME TINT Adjusts the hue of the chosen attribute Refer to the COLO command Syntax TINT value Item Description value 0 to 100 Equivalent softkey 4DISPLAY5 NNNNNNNNNNNNNN TINT TITF Title the le associated with position 1 through 5 for subsequent disk access Used in conjunction with LOAD STORE and PURG to put a le name into the position 1 through 5 as desired...

Page 179: ...ax TITR 1 2 3 4 5 string Item Description string Up to 8 alphanumberic characters rst character must be alphabetic Equivalent softkey 4SAVE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TITLE REGISTER TRIG HP IB trigger Puts re ectometer into hold Syntax TRIG UP Increments the value in the active entry area This command is identical to pressing the up arrow key Syntax UP USEPASC Puts the re ectome...

Page 180: ...ramming Instrument Commands WAIT Wait for a clean sweep Syntax WAIT ZERS Enables or disables zero span mode of operation Syntax ZERS ON OFF Equivalent softkey 4MENU5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ZERO SPAN on OFF 4 53 ...

Page 181: ...LER ADDRCONT ADDRESS DISK ADDRDISK ADDRESS PLOTTER ADDRPLOT ADDRESS PRINTER ADDRPRIN all OFF MARKOFF AMPLITUDE OFFSET LIMIAMPO ASCII SAVUASCI AUTO SCALE AUTO AVERAGING FACTOR AVERFACT AVERAGING on OFF AVERO AVERAGING RESTART AVERREST BACKGROUND INTENSITY BACI BALANCE RECEIVER BALR BEEP DONE ON o BEEPDONE BEEP FAIL on o BEEPFAIL BEEP WARN on OFF BEEPWARN BRIGHTNESS CBRI CALIBRATE MAGNITUDE CALM 4CE...

Page 182: ...PDATM DATA ARRAY on OFF EXTMDATA DEFAULT COLORS DEFC DELETE SDEL DELTA LIMITS LIMD DISK UNIT NUMBER DISKUNIT DISP MKRS ON o DISM DISPER COR ON o DISPCOR DISPLAY DATA DISPDATA DONE BALD EDITDONE EDIT SEDI EDIT LIMIT LINE EDITLIML EXIT BALE CALE EXT TRIG on OFF EXTT EXTERNAL SOUREXT FIXED MKR MARKFVAL FIXED MKR POSITION MARKFPOS FLAT LINE LIMTFL FORMAT ARRAY on OFF EXTMFORM FORMAT BINARY SAVUBINA FR...

Page 183: ...INE on o LIMILINE LIMIT TEST on o LIMITEST LIN MAG LINM LINE TYPE DATA LINTDATA LINE TYPE MEMORY LINTMEMO LISTS LISV LOAD FILE1 to FILE5 LOAD LOWER LIMIT LIML MARKER AMP OFS LIMIMAOF MARKER CENTER MARKCENT MARKER FIXED MKR MARKFIXM MARKER FIXED MKR MARKFIXM MARKER MIDDLE MARKMIDD MARKER POSITION MARKPOSI MARKER REFERENCE MARKREF MARKER START MARKSTAR MARKER STOP MARKSTOP MARKER 1 to 4 MARK MARKER ...

Page 184: ...MARKPLEF NEXT PEAK LOWER MARKPLOW NEXT PEAK RIGHT MARKPRIG OPERATING PARAMETERS OPEP PEAK EXCURSION PEAKEXCU PEAK THRESHOLD PEAKTHRE PEAK TRACK on OFF MARKPTRA PEN NUM DATA PENNDAT PEN NUM GRATICULE PENNGRAT DFLT PEN NUM MARKER PENNMARK PEN NUM MEMORY PENNMEMO PEN NUM TEXT PENNTEXT PLOT PLOT PLOT DATA ON o PDATA PLOT GRAT ON o PGRAT PLOT MEM ON o PMEM PLOT MKR ON o PMKR PLOT SPEED FAST PLOSFAST PL...

Page 185: ...RS RECO RECALL REG1 to REG5 PRESET5 RECA REFERENCE REFV REFERENCE POSITION REFP RESET COLOR RSCO RESTORE DISPLAY RESD RIGHT LOWER RIGL RIGHT UPPER RIGU SAVE COLORS SVCO SAVE REG1 to REG5 PRESET5 SAVE SCALE DIV SCAL SCALE PLOT FULL SCAPFULL SCALE PLOT GRAT SCAPGRAT SINGLE SING SINGLE POINT LIMTSP SLOPING LINE LIMTSL SOURCE OFF SOUROFF 4SPAN5 SPAN 4START5 STAR 4STOP5 STOP STOR FILE1 to FILE5 STOR TA...

Page 186: ...ommands continued Key Equivalent Programming Command TITLE TITL TITLE FILE1 to FILE5 TITF TITLE REG1 to REG5 TITR TRIGGER HOLD HOLD UPPER LIMIT LIMU USE PASS CONTROL USEPASC USER STD CALSUSER VERT LOG MAG LOGM VOLUME NUMBER DISKVOLU WARNING COLOWARN ZERO SPAN on OFF ZERS 4 59 ...

Page 187: ...FINAL TRIM SIZE 7 5 in x 9 0 in Programming ...

Page 188: ...FINAL TRIM SIZE 7 5 in x 9 0 in 5 Reference ...

Page 189: ...SIZE 7 5 in x 9 0 in Reference Contents Menu Maps 5 3 Keys Softkeys and Connectors 5 11 Block Diagram 5 52 Front Panel Fiber Optic Adapters 5 53 Part Numbers 5 54 Instrument Options 5 55 Line power Cables 5 56 5 2 ...

Page 190: ...FINAL TRIM SIZE 7 5 in x 9 0 in Menu Maps The menu maps in this section graphically represent the softkey menus that are displayed on the screen 5 3 ...

Page 191: ...FINAL TRIM SIZE 7 5 in x 9 0 in Reference MenuMaps 5 4 ...

Page 192: ...FINAL TRIM SIZE 7 5 in x 9 0 in Reference MenuMaps 5 5 ...

Page 193: ...FINAL TRIM SIZE 7 5 in x 9 0 in Reference MenuMaps 5 6 ...

Page 194: ...FINAL TRIM SIZE 7 5 in x 9 0 in Reference MenuMaps 5 7 ...

Page 195: ...FINAL TRIM SIZE 7 5 in x 9 0 in Reference MenuMaps 5 8 ...

Page 196: ...FINAL TRIM SIZE 7 5 in x 9 0 in Reference MenuMaps 5 9 ...

Page 197: ...FINAL TRIM SIZE 7 5 in x 9 0 in Reference 5 10 ...

Page 198: ... 1 MENU 1 OFF Turns o the delta marker mode so that the displayed marker annotation shows absolute values Key Path 4MKR5 NNNNNNNNNNNNNNNNNNNN 1 MENU NNNNNNNNNNNNNNNNN 1 OFF 1REF FIXED MKR Establishes the xed marker as the reference for delta markers This softkey is identical to the NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER FIXED MKR softkey Key Path 4MKR5 NNNNNNNNNNNNNNNNNNNN ...

Page 199: ...ith an external controller Key Path 4LOCAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SET ADDRESSES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADDRESS CONTROLLER ADDRESS DISK Enters the HP IB address that the precision re ectometer uses to communicate with an external disk drive Key Path 4LOCAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SET ADDRESSES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 200: ...sponse level For example if attenuation is added to or removed from a test setup the limit lines can be o set an equal amount Key Path 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT LINE OFFSETS NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AMPLITUDE OFFSET ASCII Selects an ASCII data format known as CITI le common instru...

Page 201: ...section for display and measurement processing 4AVG5 Displays a menu of functions that are used to reduce any displayed noise Avg status notation Indicates that sweep to sweep averaging is on The averaging count is shown immediately below this notation AVERAGING FACTOR Sets the number of traces that are averaged together The range is from 1 to 999 Key Path 4AVG5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 202: ...NNNNNNNNNNNN STORE TO DISK NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TITLE FILES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TITLE FILEn NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN BACK SPACE BALANCE RECEIVER Performs a balance receiver calibration This ensures that the displayed response magnitude is insensitive to the polarization transformations of the ber in the TEST PORT path when the return loss of the device being ...

Page 203: ...calibration is on 4CAL5 Presents a menu for performing measurement calibrations Manual calibrations are faster than following the guided setup procedure CALIBRATE MAGNITUDE Starts a magnitude calibration Always perform a balance receiver calibration before a magnitude calibration Key Path 4CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 204: ... COLOR Key Path 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PRINT PLOT SETUPS NNNNNNNNNNNNNNNNN COLOR CONFIGURE PLOT Displays a menu from which you can select plotter pens for drawing speci c display items Key Path 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CONFIGURE PLOT CONTINUOUS This is the standard sweep state The sweep is triggered automatically and continuously and...

Page 205: ... balance receiver and magnitude calibration data When o default values are used The precision re ectometer turns correction on automatically after a calibration If the instrument is not calibrated and you attempt to turn correction on the error message CAUTION CALIBRATION REQUIRED appears on the display Turning correction o does not destroy the calibration data the calibration data is recovered wh...

Page 206: ...he tint brightness and color of the data trace and limit lines Key Path 4DISPLAY5 NNNNNNNNNNNNNN MORE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADJUST DISPLAY NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MODIFY COLORS NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DATA LIMIT LN DEFAULT COLORS Returns all screen elements to their default factory set colors Key Path 4DISPLAY5 NNNNNNNNNNNNNN MORE NNNNNNNN...

Page 207: ...LIMIT MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN EDIT LIMIT LINE NNNNNNNNNNNNNNNNNNNN DELETE DELTA LIMITS Sets the limits an equal amount above and below a speci ed middle value instead of setting upper and lower limits separately This is used in conjunction with NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MIDDLE VALUE or NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MARKER MIDDLE to set lim...

Page 208: ...tion data taken using the 1550 nm source This function has no e ect upon the 1300 nm source Refer to Performing Manual Calibrations in Chapter 2 for a discussion of chromatic dispersion e ects Key Path 4CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DISPER COR on OFF 4DISPLAY5 Provides functions for selecting the type of data ...

Page 209: ...NNNNNN TITLE REGISTER NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TITLE REGn NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ERASE TITLE Key Path 4SAVE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN STORE TO DISK NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TITLE FILES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TITLE FILEn NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ERASE TITLE ext status notation Indicates that the precision re ectometer is waiti...

Page 210: ...this chapter Key Path 4MENU5 NNNNNNNNNNNNNNNNNNNNNNNNNN EXTERNAL FIXED MKR MENU Activates the xed marker menu where the time distance and amplitude values for a xed reference marker can be set The marker can be positioned anywhere on the display and need not be on the trace It can be set to the current active marker position using the NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 211: ...s FL on the table of limits Key Path 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN EDIT LIMIT LINE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT TYPE NNNNNNNNNNNNNNNNNNNNNNNNNNNNN FLAT LINE 4FORMAT5 Presents softkeys for selecting the format of the vertical and horizontal scales FORMAT ARY on OFF Speci es whether or not to store the formatted data on...

Page 212: ...the source is 1550 nm For every reference extension cable supplied with the 8504B there is a corresponding cable of equal length which may be used as a calibration standard The return loss of the ber end is 14 7 dB or 3 37 re ection at 1550 nm 10 Log 0 0337 014 7 dB A clean cable end is an accurate and repeatable calibration standard Key Path 4CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALI...

Page 213: ... calibration It takes about two minutes to complete Key Path 4CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN GUIDED CAL GUIDED SETUP This guided procedure provides a convenient way to prepare for measurements Displayed steps guide the user through selecting a source and performing a calibration Di erent steps are presented depending on whether the device being measured has a pigtail The guided setup takes ...

Page 214: ... the initialization process the message WAITING FOR DISK is displayed This is normal Key Path 4SAVE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN STORE TO DISK NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DEFINE STORE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN INITIALIZE DISK NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN INIT DISK YES INITIALIZE DISK Activates the initialize menu Initialization formats...

Page 215: ...TEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT LINE OFFSETS LIMIT LINE on OFF Turns limit lines on or o When on de ned limit lines are displayed on the screen for visual comparison with the measured data Key Path 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT LINE on O...

Page 216: ... is 7 which is a solid unbroken line Key Path 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CONFIGURE PLOT NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LINE TYPE MEMORY LIST VALUES Provides a tabular listing of all the measured stimulus points and their current data values together with limit information if it is turned on At the same time the screen menu is presented to enable hard co...

Page 217: ... for example 0200 dB Key Path 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN EDIT LIMIT LINE NNNNNNNNNNNNNN EDIT NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LOWER LIMIT MARKER CENTER Changes the distance or time center value to the value of the active marker and centers the span about that value Key Path 4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 218: ...AMP OFS Uses the active marker to set the amplitude o set Move the marker to the desired middle value of the limits and press this softkey The limits are then moved so that they are centered an equal amount above and below the marker at that stimulus value Key Path 4SYSTEM5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT LINE OFFSETS NNNNN...

Page 219: ... the graticle The marker amplitude and distance or time values are also displayed in the upper right hand corner of the screen If another marker key is pressed the original marker becomes inactive and is represented on the screen as the 1 symbol Only the most recently selected marker is active Key Path 4MKR5 NNNNNNNNNNNNNNNNNNNNNNNNNN MARKER n MARKER 1 SPAN Changes the start and stop distance or t...

Page 220: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MAGNITUDE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MEASURE STANDARD MEMORY Displays the active trace memory 1 or 2 Key Path 4DISPLAY5 NNNNNNNNNNNNNNNNNNNN MEMORY MEMORY 1 In the rst level of the 4DISPLAY5 menu selects memory 1 as the active trace memory The active memo...

Page 221: ...pan MIDDLE VALUE Sets the midpoint for limit line NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DELTA LIMITS It sets a speci ed magnitude value vertically centered between the limits Key Path NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MIDDLE VALUE 4MKR5 Displays a menu of basic marker functions including normal xed and delta markers 4MKR FCTN5 Displays a menu of marker functions that can be used to perform p...

Page 222: ...T PEAK HIGHER Finds the smallest peak which is greater than the current peak Key Path 4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PEAK SEARCH NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NEXT PEAK HIGHER NEXT PEAK LEFT Finds the next peak to the left of the current marker position Key Path 4MKR FCTN5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PEAK SEARCH NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 223: ...NNNNNNNNNNNNNNNNNNNNNNNNN PEAK SEARCH PEAK THRESHOLD Sets the level below which nothing will be considered a peak The maximum amplitude of the response must be at least this value to be called a peak The allowable threshold values range from 0100 to 0 dB The default value is 070 dB Upon entering a value complete the entry with 4x15 Any part of a peak as de ned by peak excursion that is less than t...

Page 224: ... MEMORY Selects the number of the pen to plot the memory trace The default is pen number 1 Key Path 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CONFIGURE PLOT NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PEN NUM MEMORY PEN NUM TEXT Selects the pen number for plotting the text The default is pen number 1 Key Path 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CONFIGURE PLOT NNNNNNNNNNN...

Page 225: ...eds NNNNNNNNNNNNNN FAST and NNNNNNNNNNNNNN SLOW Use NNNNNNNNNNNNNN SLOW for plotting directly on transparencies because the slower speed provides a more consistent line width A color plot can be prepared directly on a transparency so that the color is not lost in converting a paper plot to a transparency Key Path 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DEFINE PLOT NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 226: ...g settings Band 1300 nm Start 0 mm Stop 400 mm Sweep continuous Horizontal units distance N value 1 Displayed trace data Vertical units log mag Vertical scale 10 dB division Reference level 050 dB Markers o Averaging o Correction o Dispersion correction o HP IB mode talker listener PRINT Copies the display to a compatible graphics printer Tabular listings or data displays can be printed although a...

Page 227: ...NNNNN PURGE FILES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PURGE FILEn PURGE FILES Activates the purge les menu which is used to remove the information stored on an external disk Key Path 4SAVE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN STORE TO DISK NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DEFINE STORE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PURGE FILES RAW ARRAY on OFF Speci es whether or not to store the ...

Page 228: ...ARM OUTPUT connector This rear panel connection allows direct input to the optical detector The yellow ber optic cable should normally remain connected to this connector Refer to Block Diagram in this chapter REFERENCE EXTENSION A connector Attach the reference ber optic cable to this front panel output connector The output at this connector is 1300 nn or 1550 nm at a power level that is less than...

Page 229: ...NNNNNNNNNNNNNNNN DATA LIMIT LN NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN RESET COLOR RESTORE DISPLAY Turns o the tabular listing and returns the measurement display to the screen Key Path 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIST VALUES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN RESTORE DISPLAY Key Path 4COPY5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN OP PARMS MKRS etc NNNNN...

Page 230: ...cale NNNNNNNNNNNNNN FULL and NNNNNNNNNNNNNN GRAT Select NNNNNNNNNNNNNN FULL as the normal scale selection for plotting on blank paper It includes space for all display annotations such as marker values stimulus values and so forth The entire display ts within the user de ned boundaries of P1 and P2 on the plotter while maintaining the same aspect ratio as the display With the selection of NNNNNNNN...

Page 231: ...he display up to fty characters and spaces can be added The mathematical symbols are not used when creating register titles Key Path 4DISPLAY5 NNNNNNNNNNNNNNNNN TITLE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SELECT LETTER Key Path 4SAVE5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TITLE REGISTER NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TITLE REGn NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SELECT LETTER K...

Page 232: ...IMIT MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN EDIT LIMIT LINE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LIMIT TYPE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SINGLE POINT SLOPING LINE De nes a sloping limit line segment that is linear with distance or time and is continuous to the next stimulus value and limit If a sloping line is the nal segment it becomes a at line terminated at the stimulus stop...

Page 233: ...ng minimum spans are available minimum value for 1300 nm 1 mm minimum value for 1550 nm 1 2 mm The maximum measurement span is dependent on the refractive index of the light path as shown in the equation maximum span 400 mm n where n is the index of refraction 4START5 Sets the start value of the horizontal measurement range The default setting is 0 mm and the minimum setting is 0 mm or 0 ps 4STOP5...

Page 234: ...panel and again can be used only if no active computer controller is connected to the system through HP IB If you try to set system controller mode when another controller is present the message CAUTION CAN T CHANGE ANOTHER CONTROLLER ON BUS is displayed Do not try to use this mode for programming Key Path 4LOCAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SYSTEM CONTROLLER TALKER LISTE...

Page 235: ...ult and maximum value is 1334 ps minimum is 0 ps These values are not a ected by the value of the refractive index n Key Path 4FORMAT5 NNNNNNNNNNNNNN TIME TINT Ranges from 0 to 100 and varies the selected element from red to orange yellow green blue violet and back to red If varying tint has no visible e ect increase the color percentage rst Key Path 4DISPLAY5 NNNNNNNNNNNNNN MORE NNNNNNNNNNNNNNNNN...

Page 236: ...t the mirror returns to its start position and then holds Hold freezes the current data trace on the screen Key Path 4MEAS5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN TRIGGER HOLD UPPER LIMIT Sets the upper limit response value for the start of the segment If a lower limit is speci ed an upper limit must also be de ned If no upper limit is required for a particular measurement force the upper limit...

Page 237: ...rily 10 dB The default value is given as 10 dB and is changed using the knob number keys or step keys This process is used when you have an optical device of known re ectance that you can use to calibrate the magnitude This process improves dynamic accuracy Key Path 4CAL5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRATE MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CALIBRA...

Page 238: ...NNNN ADJUST DISPLAY NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MODIFY COLORS NNNNNNNNNNNNNNNNNNNNNNN WARNING 4x15 Use this key to terminate unitless entries such as an averaging factor ZERO SPAN on OFF Sets the center to the former start value and stops the sweep mirror movement In this mode the precision re ectometer is essentially a programmable delay line Key Path 4MENU5 NNNNNNNNNNNNNNNNNNNNNNNN...

Page 239: ...FINAL TRIM SIZE 7 5 in x 9 0 in Reference Block Diagram 5 52 ...

Page 240: ...FINAL TRIM SIZE 7 5 in x 9 0 in Reference Front PanelFiber Optic Adapters Front Panel Fiber Optic Adapters The FC PC adapter is the standard adapter supplied with the instrument 5 53 ...

Page 241: ... optic cable2 1005 0177 150 cm FC PC ber optic cable2 1005 0171 Cable tray2 08504 60030 Cotton swabs 8520 0023 Rear panel BNC cable 8120 1839 Rear panel IO INTERCONNECT cable 08503 60051 Rear panel line power cable3 Fuse display processor section F3 0A 250V 2110 0780 Fuse lightwave section 100V and 120V operation F1 5A 250V 2110 0043 220V and 240V operation F0 75A 250V 2110 0063 1 Used to connect ...

Page 242: ...MS 10 front panel test port connector 012 FC PC front panel test port connector 013 Din 47256 front panel test port connector 014 ST front panel test port connector 015 Biconic front panel test port connector 1BN MIL STD 45662A calibration 1BP MIL STD 45662A calibration with data UK6 Commercial calibration with data 5 55 ...

Page 243: ...FINAL TRIM SIZE 7 5 in x 9 0 in Reference Line Power Cables 5 56 ...

Page 244: ...FINAL TRIM SIZE 7 5 in x 9 0 in 6 Speci cations and Regulatory Information ...

Page 245: ...only valid for a temperature window of 63 C from the original calibration temperature Verifyfactory calibrationonce every year Your 8504B has been calibrated at the factory The instrument should be returned to Agilent Technologies once every year to be recalibrated Begin timing the rst recommended calibration interval from the time when the instrument is rst turned on Do not include shipment and s...

Page 246: ...FINAL TRIM SIZE 7 5 in x 9 0 in Speci cations andRegulatoryInformation Contents Speci cations 6 4 Characteristics 6 14 Regulatory Information 6 16 6 3 ...

Page 247: ...s designed for use in INSTALLATION CATEGORY II and POLLUTION DEGREE 2 per IEC 1010 and 664 respectively LED Classi cation International IEC Class 1 This instrument is rated IEC International Electrotechnical Commission Class 1 LED Product according to Publication 825 6 4 ...

Page 248: ...tion range with dispersion correction enabled Refer to To turn chromatic dispersion correction on and o in Chapter 2 to learn how to enable the correction data The measurement range is degraded due to dispersion e ects over the 100 mm to 400 mm range Refer to Characteristics in this chapter to see a display of the noise oor Speci cation Return Loss Measurement Range1 1300 nm source 10 to 80 dB 155...

Page 249: ...uracy dominates the uncertainty near the noise oor and becomes increasingly less signi cant at higher signal levels The speci ed uncertainty does not include the connector loss or the calibration standard uncertainty The return loss uncertainty graph for the 1550 nm source applies to the mirror position range of 0 to 100 mm The uncertainty is degraded near 080 dB for mirror positions between 100 a...

Page 250: ...FINAL TRIM SIZE 7 5 in x 9 0 in Speci cations and Regulatory Information Speci cations 1300nmSpeci cation 1550nmSpeci cation 6 7 ...

Page 251: ...se e ects when measuring re ections near the noise oor The repeatability is primarily a function of the mechanical mirror translation stage in the interferometer When evaluating this performance parameter it is important that the REFERENCE EXTENSION cables and the TEST PORT cable are held in place as movement of these components can a ect the measurement Repeatability is measured with a 15 dB Fres...

Page 252: ...with which the distance in air between two re ections can be measured when both re ections are displayed in the same sweep It does not include any error in the value of group refractive index which is entered by the user for measurements in various waveguide materials Speci cation Two event Spatial Accuracy 1 to 9 99 mm span 62 of span 10 to 400 mm span 61 of span 6 9 ...

Page 253: ...hifted ber while the reference arm contains a ber portion as well as the variable open beam portion of the scanning mirror of the interferometer This situation does not a ect the resolution at 1300 nm However at 1550 nm it results in a di erential dispersion between the two arms of the interferometer which is seen as a pulse broadening on the display of the 8504B Precision Re ectometer This pulse ...

Page 254: ... x 9 0 in Speci cations and Regulatory Information Speci cations Speci cation Two event Spatial Resolution 1300 nm span 1 mm 25 microns 1550 nm span 1 2 mm Dependent upon mirror position as shown in the following graph 6 11 ...

Page 255: ...if a 15 dB re ection signal was measured using the 1550 nm source all possible spurious signals would be lower than 077 dB return loss 015 dB 062 dB in a range of 620 mm from the location of the 015 dB re ection Speci cation Spurious Responses1 O set2 020 to 010 mm 010 to 00 5 mm 0 5 to 10 mm 10 to 20 mm 1300 nm source 055 dB 045 dB 065 dB 065 dB 1550 nm source 062 dB 062 dB 062 dB 062 dB 1 Indica...

Page 256: ...ty 15 to 95 non condensing Maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C Display Processor section Power requirements 50 60 Hz range 47 66 Hz 115 230 Vac 610 Power consumption 350 VA maximum Lightwave section Power requirements 50 60 Hz range 47 66 Hz 110 120 220 240 Vac 610 Power consumption 200 VA maximum Physical Speci cations Weigh...

Page 257: ...easurements are achievable with other ber types but measurement performance may not be optimum 2 Spectral width is at full width half maximum 3 Average power levels are measured at the front panel TEST PORT connector 4 This is the equivalent distance in air and can be o set by using ber extension cables Return Loss Uncertainty1 Polarization Sensitivity 60 75 dB Amplitude Flatness Versus Mirror Pos...

Page 258: ...the 1300 nm source Noise oorwith 1300nmsource For the 1550 nm source with dispersion correction enabled the measurement noise oor depends on the mirror position The noise oor at a mirror position of 400 mm is approximately 5 dB higher than at a mirror position of 0 mm The noise oor for all mirror positions can be substantially lowered by narrowing the measurement span Noise oorwith 1550nmsource 6 ...

Page 259: ...AL TRIM SIZE 7 5 in x 9 0 in Regulatory Information Notice for Germany Noise Declaration LpA 70 dB am Arbeitsplatz operator position normaler Betrieb normal operation nach DIN 45635 T 19 per ISO 7779 6 16 ...

Page 260: ...FINAL TRIM SIZE 7 5 in x 9 0 in Speci cations andRegulatoryInformation 6 17 ...

Page 261: ...FINAL TRIM SIZE 7 5 in x 9 0 in Speci cationsandRegulatoryInformation ...

Page 262: ...FINAL TRIM SIZE 7 5 in x 9 0 in 7 Error Messages ...

Page 263: ...e the problem Some messages are for information only and do not indicate an error condition In addition to error messages instrument status is indicated by status notations in the left margin of the display Examples are Avg and Hld Sometimes these appear in conjunction with error messages NOT E When displayed error messages are usually preceded with the word CAUTION Contents Message De nitions 7 3...

Page 264: ...e instrument covers should be in place If the problem persists troubleshoot the power supply GPIB error number 20 ANOTHER SYSTEM CONTROLLER ON HP IB Selection of SYSTEM CONTROLLER under LOCAL could not be accomplished because another System Controller is already connected on HP IB GPIB error number 37 ASCII MISSING CITIFILE statement In reading an ASCII le from disk the reserved word CITIFILE was ...

Page 265: ...size of the internal array block Refer to the GPIB Programming Guide for instructions on using input commands GPIB error number 35 CHANGE HP IB to SYST CTRL or PASS CTRL A command front panel or GPIB has been received that requests the re ectometer to take control of the GPIB but it is in TALKER LISTENER mode Change selection under LOCAL GPIB error number 36 CORRECTION CONSTANTS NOT STORED The res...

Page 266: ...r 49 DISK not on not connected wrong addrs The disk drive does not respond to control Verify power to the disk drive and check the GPIB connection between the re ectometer and the disk drive Ensure that the disk address recognized by the re ectometer matches the GPIB address set on the disk drive itself GPIB error number 38 FIRST CHARACTER MUST BE A LETTER When titling a register or le the rst cha...

Page 267: ...EMORY The last front panel or GPIB request could not be implemented due to insu cient memory space See section 6 9 Save and Recall GPIB error number 51 INVALID KEY An unde ned softkey was pressed GPIB error number 2 MOTOR COMMAND ERROR The motor controller has received an invalid command GPIB error number 101 MOTOR RESET FAILED Motor control failed to reset Check power cord and interconnect cable ...

Page 268: ...er GPIB error number 100 NO DISK MEDIUM IN DRIVE No disk was found in the current disk unit Insert a disk or check the disk unit number stored in the re ectometer GPIB error number 41 NO FILE S FOUND ON DISK No les of the type created by the re ectometer store operation were found on the disk GPIB error number 45 NO MARKER DELTA SPAN NOT SET The MARKER D SPAN softkey function requires that delta m...

Page 269: ...GPIB error number 55 NOT ENOUGH SPACE ON DISK FOR STORE The disk is full purge les or replace with another disk GPIB error number 44 ONLY LETTERS AND NUMBERS ARE ALLOWED When titling a register or le only alphanumeric characters are allowed Rename the register le appropriately GPIB error number 43 OPTIONAL FUNCTION NOT INSTALLED An attempt has been made to use an optional function for which that o...

Page 270: ... ectometer and the printer Ensure that the printer address recognized by the re ectometer matches the GPIB address set on the printer itself GPIB error number 24 REQUESTED DATA NOT CURRENTLY AVAILABLE The re ectometer does not currently contain the data being requested For example this condition occurs when error term arrays are requested and no calibration is active GPIB error number 30 SOURCE 1 ...

Page 271: ...ever respond to commands that have no such equivalents such as status requests GPIB error number 52 test cannot execute when source is off An attempt is being made to run the receiver gain adjust test with the source o GPIB error number 108 TEST PORT OVERLOAD REDUCE POWER GPIB error number TEST SET NOT FOUND CHECK I O CABLE The re ectometer lightwave section test set is not correctly connected to ...

Page 272: ... on not connected wrong addrs 26 PLOTTER not on not connected wrong addrs 28 PLOTTER NOT READY PINCH WHEELS UP 30 REQUESTED DATA NOT CURRENTLY AVAILABLE 31 ADDRESSED TO TALK WITH NOTHING TO SAY 32 INPUT ATTEMPTED WITHOUT SELECTING INPUT TYPE 33 SYNTAX ERROR 34 BLOCK INPUT ERROR 35 BLOCK INPUT LENGTH ERROR 36 CHANGE HP IB TO SYST CTRL or PASS CTRL 37 ANOTHER SYSTEM CONTROLLER ON HP IB 38 DISK not o...

Page 273: ...N REGISTER 56 INSTRUMENT STATE MEMORY CLEARED 93 SOURCE 1 TEMPERATURE LOOP OPEN 94 SOURCE 2 TEMPERATURE LOOP OPEN 95 MOTOR STOPPED EXCESSIVE POSITION ERROR 96 MOTOR STOPPED POSITIVE LIMIT 97 MOTOR STOPPED NEGATIVE LIMIT 99 MOTOR RESET FAILED 100 MOTOR TRAJECTORY ERROR 101 MOTOR COMMAND ERROR 102 CHECK I O CABLE 103 NO SOURCE FOUND CHECK POWER TO TEST SET 104 ASCII MISSING CITIFILE statement 105 AS...

Page 274: ...FINAL TRIM SIZE 7 5 in x 9 0 in Index ...

Page 275: ...key 4 16 5 12 ADDRESSED TO TALK WITH NOTHING TO SAY error message 7 3 addresses HP IB 4 4 ADDRESS HP8504 softkey 5 12 ADDRESS PLOTTER softkey 4 16 5 12 ADDRESS PRINTER softkey 4 17 5 13 ADDRPLOT command 4 16 ADDRPRIN command 4 16 ADD softkey 4 47 5 12 ADJUST DISPLAY softkey 5 13 AIR FLOW RESTRICTED CHECK FAN FILTER error message 7 3 ALL MKR OFF softkey 4 37 all OFF softkey 5 13 AMPLITUDE OFFSET so...

Page 276: ...ACE softkey 5 15 balance internal receiver 2 20 BALANCE RECEIVER softkey 4 18 5 15 BALD command 4 18 BALE command 4 18 BALR command 4 18 beep 3 45 turning o 3 46 BEEPDONE command 4 18 BEEP DONE on o softkey 4 18 BEEP DONE ON o softkey 3 46 5 15 BEEPFAIL command 4 18 BEEP FAIL on o softkey 4 18 BEEP FAIL on OFF softkey 5 15 beep to turn o 5 15 5 16 BEEPWARN command 4 18 BEEP WARN on o softkey 4 18 ...

Page 277: ...IBRATION REQUIRED 5 18 CAUTION messages ADDRESSED TO TALK WITH NOTHING TO SAY 7 3 AIR FLOW RESTRICTED CHECK FAN FILTER 7 3 ANOTHER SYSTEM CONTROLLER ON HP IB 7 3 ASCII MISSING 7 3 BLOCK INPUT ERROR 7 4 BLOCK INPUT LENGTH ERROR 7 4 CHANGE HP IB to SYST CTRL or PASS CTRL 7 4 CORRECTION CONSTANTS NOT STORED 7 4 DISK HARDWARE PROBLEM 7 4 DISK IS WRITE PROTECTED 7 4 DISK MEDIUM NOT INITIALIZED 7 5 DISK...

Page 278: ... addrs 7 8 PLOTTER NOT READY PINCH WHEELS UP 7 9 POWER SUPPLY HOT 7 9 PRINTER not on not connected wrong addrs 7 9 REQUESTED DATA NOT CURRENTLY AVAILABLE 7 9 SOURCE 1 TEMPERATURE LOOP OPEN 7 9 SOURCE 2 TEMPERATURE LOOP OPEN 7 9 SYNTAX ERROR 7 10 SYSTEM IS NOT IN REMOTE 7 10 test cannot execute when source is o 7 10 TEST PORT OVERLOAD REDUCE POWER 7 10 TEST SET NOT FOUND CHECK I O CABLE 7 10 CAUTIO...

Page 279: ...or care 1 21 CONT command 4 21 CONTINUOUS softkey 4 21 5 17 COPYFRFT command 4 21 COPY FROM FILE TITLE softkey 4 21 5 17 COPY FROM REG TITLES softkey 4 21 5 18 COPYFRRT command 4 21 COPY key 5 17 menu map 5 4 CORR command 4 21 correction 5 18 data 2 22 CORRECTION CONSTANTS NOT STORED error message 7 4 CORRECTION on OFF softkey 4 21 5 18 cotton swabs part number 5 54 C status notation vii 5 16 D D4...

Page 280: ...DISK FILE FORMAT softkey 4 47 5 21 DISK HARDWARE PROBLEM error message 7 4 DISK IS WRITE PROTECTED error message 7 4 DISK MEDIUM NOT INITIALIZED error message 7 5 DISK MESSAGE LENGTH ERROR error message 7 5 DISK not on not connected wrong addrs error message 7 5 DISKUNIT command 4 23 DISK UNIT NUMBER softkey 4 23 5 21 DISKVOLU command 4 23 DISK WEAR REPLACE DISK SOON error message 7 5 DISM command...

Page 281: ...mand 4 25 ESNB command 4 25 ESR command 4 9 4 13 ESR command 4 25 event status register 4 9 4 10 excursion peak 3 14 EXIT softkey 4 18 4 19 EXT AM connector 5 22 EXTERNAL softkey 2 22 3 6 4 49 5 23 external source 2 22 3 6 EXTMDATA command 4 25 EXTMFORM command 4 25 EXTMGRAP command 4 25 EXTMRAW command 4 26 EXT REF IN connector 5 22 ext status notation vii 5 22 EXTT command 4 26 EXT TRIGGER conne...

Page 282: ...key 5 24 FORMAT key 3 7 5 24 menu map 5 5 FRESNEL 14 7 dB softkey 5 25 FRESNEL 15 dB softkey 5 25 front panel adapters 5 53 connectors vi FULL PAGE softkey 4 27 5 25 FULL softkey 5 43 FULL SPAN softkey 3 5 4 27 5 25 FULP command 4 27 FULS command 4 27 FUNCTION NOT VALID error message 7 5 fuse replacing 1 19 G GRAPHICS on OFF softkey 4 25 5 26 graticule 3 45 GRATICULE TEXT softkey 5 26 GROI command...

Page 283: ... 28 index matching compounds 1 21 index matching gel 1 21 INID command 4 28 INIT DISK YES softkey 5 27 INITIALIZATION FAILED error message 7 6 INITIALIZE DISK softkey 4 28 5 27 INPUDATA command 4 28 INPUFORM command 4 28 INPULEAS command 4 29 INPURAW1 command 4 29 INPUT ATTEMPTED WITHOUT SELECTING INPUT TYPE error message 7 6 input connector 1 21 5 41 inspecting cables 1 22 shipment 1 4 instrument...

Page 284: ...IMIPOSO command 4 32 LIMITEST command 4 32 LIMIT LINE OFFSETS softkey 5 28 LIMIT LINE on o softkey 4 32 LIMIT LINE on OFF softkey 3 23 5 28 limit lines 3 19 beep on failures 5 15 entering 3 23 pass fail 3 22 3 24 segment types 3 21 tutorial 3 25 LIMIT MENU softkey 3 19 5 28 LIMIT TEST on o softkey 4 32 LIMIT TEST on OFF softkey 3 24 5 28 LIMIT TYPE softkey 4 33 5 29 LIML command 4 32 LIMM command ...

Page 285: ... 35 M magnitude calibration 2 20 MARKBUCK command 4 35 MARKCENT command 4 35 MARK command 4 35 MARKER 1 softkey 5 32 MARKER 2 softkey 5 32 MARKER 3 softkey 5 32 MARKER 4 softkey 4 35 5 32 MARKER AMP OFF softkey 3 22 MARKER AMP OFS softkey 5 31 MARKER AMP OFS softkey 4 32 MARKER CENTER softkey 4 35 5 30 MARKER FIXED MKR softkey 4 35 4 38 5 30 MARKER MIDDLE softkey 5 31 MARKER POSITION 4 37 MARKER P...

Page 286: ...AS key 5 33 menu map 5 8 MEASSTAN command 4 39 measurement lists of data values 3 49 setting range 3 4 units 3 7 measurement noise oor 6 15 MEASURE RESTART softkey 3 6 4 39 4 46 5 33 MEASURE STANDARD softkey 4 19 4 39 5 33 MEMO command 4 39 memory 1 3 34 MEMORY 1 softkey 5 33 memory 2 3 34 MEMORY 2 REF LINE softkey 5 34 MEMORY 2 softkey 4 39 5 34 MEMORY softkey 4 24 5 33 memory trace 3 13 3 37 3 4...

Page 287: ...NOT SET error message 7 7 NOOP command 4 40 NO SIGNAL CHECK BNC CABLE ON REAR PANEL error message 7 7 NO SOURCE FOUND CHECK POWER TO TEST SET error message 7 8 NOT ENOUGH SPACE ON DISK FOR STORE error message 7 8 notice for germany noise declaration 6 16 NO VALID MEMORY TRACE error message 7 8 NO VALID STATE IN REGISTER error message 7 8 NUMG command 4 40 O o ces sales and service 1 29 ONLY LETTER...

Page 288: ...esting 3 19 PCB command 4 13 PCB command 4 42 P command 4 43 peak de ning 3 13 excursion 3 14 response 3 13 threshold 3 15 threshold 3 14 PEAKEXCU command 4 43 PEAK EXCURSION softkey 3 17 4 43 5 36 PEAK SEARCH softkey 3 17 5 36 PEAKTHRE command 4 43 PEAK THRESHOLD softkey 3 17 4 43 5 36 PEAK TRACK on OFF softkey 4 37 5 36 PENN command 4 43 PEN NUM DATA softkey 5 37 PEN NUM GRATICULE softkey 5 37 P...

Page 289: ... 5 38 POSITION VALUE softkey 4 33 5 39 POWER SUPPLY HOT error message 7 9 PREP command 4 44 PRES command 4 44 PRESET key 2 6 5 39 menu map 5 10 PREV PAGE softkey 4 44 PRIC command 4 44 PRINALL command 4 44 printer address 4 4 types of 3 47 PRINTER not on not connected wrong addrs error message 7 9 printing 3 47 aborting 3 50 display 3 48 measurement data values 3 49 operating parameters 3 49 print...

Page 290: ... 5 41 REFERENCE POSITION softkey 4 45 5 41 REFERENCE VALUE softkey 4 46 5 42 REFP command 4 45 refractive index 3 5 3 8 entering 3 8 REFRACTIVE INDEX n softkey 3 8 5 42 REFT command 4 45 REFV command 4 46 registers 3 36 status 4 10 regulatory information 6 16 remote control 4 2 repackaging for service 1 27 REQUESTED DATA NOT CURRENTLY AVAILABLE error message 7 9 RESD command 4 46 RESET COLOR softk...

Page 291: ...SCALE PLOT softkey 4 48 5 43 SCALE REF key 3 7 menu map 5 10 SCALE REF key 5 43 SCAP command 4 48 SDEL command 4 48 SDON command 4 48 SEDI command 4 48 SEGMENT softkey 5 44 SELECT LETTER softkey 5 44 SELECT QUADRANT softkey 5 44 sensitivity 3 5 serial number 1 5 service 1 27 foam inserts 1 27 repackaging 1 27 returning to factory 1 27 SERVICE MENU softkey 4 49 5 40 service repair form 1 28 SET ADD...

Page 292: ... 5 SPAN command 4 49 SPAN key 5 46 SP annotation 3 21 SPAN softkey 4 50 spurious responses 6 12 SRE 4 9 SRE command 4 14 SRE command 4 50 ST adapter 5 53 standards 2 20 STAR command 4 50 START key 5 46 START softkey 4 50 status byte 4 9 HP IB 4 2 instrument 4 9 reporting registers 4 10 status notation vii 5 11 STB 4 9 STB command 4 14 STB command 4 50 STOP command 4 50 STOP key 5 46 STOP softkey 4...

Page 293: ...e 7 10 TEST PORT connector 5 48 TEST PORT OVERLOAD REDUCE POWER error message 7 10 TEST SET NOT FOUND CHECK I O CABLE error message 7 10 TEXT softkey 4 21 5 48 ThinkJet 3 47 TIME command 4 51 TIME softkey 3 7 5 48 TINT command 4 51 TINT softkey 4 51 5 48 TITF command 4 51 TITL command 4 52 TITLE FILE1 softkey 5 48 TITLE FILE2 softkey 5 48 TITLE FILE3 softkey 5 48 TITLE FILE4 softkey 5 48 TITLE FIL...

Page 294: ...KR 1 softkey 5 11 1REF MKR 2 softkey 5 11 1REF MKR 3 softkey 5 11 1REF MKR 4 softkey 5 11 1REF 1 FIXED MKR softkey 4 22 UP command 4 52 UPPER LIMIT softkey 4 33 5 49 USEPASC command 4 52 USE PASS CONTROL softkey 4 52 5 50 USER STD 10 dB softkey 5 50 V veri cation 1 11 vertical scale 3 7 VERT LOG MAG softkey 3 7 5 50 VGA connector 5 50 viewing traces 3 34 VOLUME NUMBER softkey 5 50 W WAIT command 4...

Page 295: ...FINAL TRIM SIZE 7 5 in x 9 0 in ...

Page 296: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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