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89 

Table 3.40 – Auto Delay Measurement Menu 

Option 

Setting 

Description 

Source 

CH1, CH2 

Select any two input signal 
source for Delay measure. 

Type 

Phase, FRR, FRF, FFR, FFF, LRR, 
LRF, LFR, LFF 

Press the “Type” button or 
turn the “Universal” knob 
to select Delay measure 
parameter. 

 

  

  

  

 

  

  

   

  

  

 

Display the corresponding 
icon and measure value of 
your selected Delay 
measure parameter. 

Return 

 

Return to the first page of 
auto measurement menu. 

 

Table 3.41 – All Measurement Menu 

Option 

Setting 

Description 

Source 

CH1 
CH2 

Select input signal channel. 

Voltage 

On 
Off 

Turn on the all measurement function 
to measure voltage parameters. 
Turn of the all measurement function 
to measure voltage parameters. 

Time 

On 
Off 

Turn on the all measurement function 
to measure Time parameters. 
Turn of the all measurement function 
to measure Time parameters. 

Delay 

On 
Off 

Turn on the all measurement function 
to measure Delay parameters. 
Turn of the all measurement function 
to measure Delay parameters. 

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Содержание 2190E

Страница 1: ...Model 2190E 100 MHz Digital Storage Oscilloscope USER MANUAL www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Страница 2: ...al violates the safety standards of design manufacture and intended use of the instrument B K Precision assumes no liability for a customer s failure to comply with these requirements Category rating...

Страница 3: ...entering a building or other outdoor wiring Do not use this instrument in an electrical environment with a higher category rating than what is specified in this manual for this instrument You must ens...

Страница 4: ...nd connection all accessible conductive parts including control knobs may provide an electric shock Failure to use a properly grounded approved outlet and the recommended three conductor AC line power...

Страница 5: ...ment is intended to be used in an indoor pollution degree 2 environment The operating temperature range is 0 C to 40 C and the operating humidity is 85 relative humidity at 40 C with no condensation a...

Страница 6: ...ust be made by qualified service trained maintenance personnel who are aware of the hazards involved when the instrument s covers and shields are removed Under certain conditions even with the power c...

Страница 7: ...are maintained Cooling fans This instrument contains one or more cooling fans For continued safe operation of the instrument the air inlet and exhaust openings for these fans must not be blocked nor m...

Страница 8: ...w to the instrument Do not place a hot soldering iron on the instrument Do not pull the instrument with the power cord connected probe or connected test lead Do not move the instrument when a probe is...

Страница 9: ...il of the European Union on waste electrical and electronic equipment WEEE and in jurisdictions adopting that Directive is marked as being put on the market after August 13 2005 and should not be disp...

Страница 10: ...and 2004 108 EC Electromagnetic Compatibility Directive with the following standards Low Voltage Directive EN61010 1 2001 EN61010 031 2002 A1 2008 EMC Directive EN 61326 1 2006 EN 61000 3 2 2006 A2 2...

Страница 11: ...t position of the power switch when instrument is OFF Off Supply This is the AC mains connect disconnect switch on top of the instrument CAUTION indicates a hazardous situation which if not avoided wi...

Страница 12: ...ace Description 5 2 Getting Started 6 2 1 Input Power Requirements 6 Input Power 6 2 2 Preliminary Check 6 Verify AC Input Voltage 7 Connect Power 7 Self Test 7 Self Cal 7 Check Model and Firmware Ver...

Страница 13: ...ource 48 Trigger Type 49 Coupling 67 Position 67 Slope and Level 68 Trigger Holdoff 69 3 12 Signal Acquisition System 70 3 13 Display System 75 X Y Format 79 3 14 Measure System 80 Scale Measurement 8...

Страница 14: ...alyzing Signal Details 139 4 5 Triggering on a Video Signal 140 4 6 Application of X Y Function 141 4 7 Analyzing a Differential Communication Signal 143 5 Remote Control 144 6 Message Prompts and Tro...

Страница 15: ...gger types Edge Pulse Video Slope and Alternative Digital filter and waveform recorder functions Automatic measurement of 32 parameters Voltage and Time Standard USB host USBTMC device and LAN ports 1...

Страница 16: ...front panel before operating the instrument Below is a brief introduction of the front panel function operation Figure 1 1 Front Panel Front Panel Description Front USB Type A Connector Menu Function...

Страница 17: ...and Measurement Buttons Universal Knob Vertical Controls 1 4 Back Panel The following images show back and side panel connection locations Figure 1 2 Back Panel 1 2 3 5 6 4 6 10 9 5 7 8 www GlobalTes...

Страница 18: ...LAN Interface Pass Fail Output Rear USB Type B Device Connector Power Input Connector AC Power Switch 1 5 Display Information Figure 1 3 Display Screen 1 2 3 4 5 6 www GlobalTestSupply com Find Quali...

Страница 19: ...r Menu Trigger Source Type and Level Indicator Frequency Counter Horizontal Delay Position Horizontal Time Base Setting Channel Source Coupling Type Volts Division BW Limit Indicator Vertical Display...

Страница 20: ...wer cord including the extension line is compatible with the rated voltage current and that there is sufficient circuit capacity for the power supply Once verified connect the cable firmly The include...

Страница 21: ...fter which the main screen will be displayed Self Test The instrument has 3 self test options to test the screen keys and the LED back lights of the function menu and channel keys as shown below Figur...

Страница 22: ...s functionality 1 Power on the oscilloscope Press DEFAULT SETUP to show the result of the self check The probe default attenuation is 1X Figure 2 2 Scope Layout 2 Set the switch to 1X on the probe an...

Страница 23: ...peak square wave in couple seconds Figure 2 4 3 Vpp Square Wave 4 Press CH1 two times to turn off channel 1 Press CH2 to change screen into channel 2 reset the channel 2 as step 2 and step 3 PROBE CO...

Страница 24: ...ents SHOCK HAZARD To avoid electric shock when using the probe keep fingers behind the guard on the probe body To avoid electric shock while using the probe do not touch metallic portions of the probe...

Страница 25: ...ing for the Probe option is 1X Be sure that the attenuation switch on the probe matches the Probe option in the oscilloscope Switch settings are 1X and 10X NOTE When the attenuation switch is set to 1...

Страница 26: ...ly inserting the tip onto the probe 2 Attach the probe tip to the PROBE COMP 3V connector and the reference lead to the PROBE COMP Ground connector Display the channel and then push the AUTO button 3...

Страница 27: ...button Connector Auto Setup Default Setup Universal knob Vertical System Channel Function Menu Math Functions Using REF Horizontal System Trigger System Acquiring signals System Display System Measur...

Страница 28: ...menu to set up a channel When the channel is on the channel button is lit MATH Press to display the Math menu You can use the MATH menu to use the oscilloscope s Math functions REF Press to display t...

Страница 29: ...20 oscilloscope setups and 10 waveforms to from internal memory or a USB memory device limited by memory capacity of the USB flash drive You can also use it to recall the default factory settings to s...

Страница 30: ...pped using the RUN STOP or SINGLE button the TIME DIV control expands or compresses the waveform SINGLE Acquire a single waveform and then stops waveform acquisition 3 2 Connectors Figure 3 2 Connecto...

Страница 31: ...ress the AUTO front panel button and then press the menu option button adjacent to the desired waveform as follows Figure 3 3 Auto Setup Table 3 1 Autoset Menu Option Description Multi cycle sine Auto...

Страница 32: ...lowest numbered channel displayed when Auto set was invoked No signals found and no channels displayed oscilloscope displays and uses channel 1 Table 3 2 Auto Set Function Menu Items Function Setting...

Страница 33: ...button can be disabled Please see Education Mode for details 3 4 Default Setup The oscilloscope is set up for normal operation when it is shipped from the factory This is the default setup To recall...

Страница 34: ...DC BW limit Off Volts div Coarse Probe 1X Invert Off Filter Off Volts div 1 00V MATH Operation CH1 CH2 CH1 Invert Off CH2 Invert Off FFT operation Source CH1 Window Hanning FFT Zoom 1X Scale dBVrms Di...

Страница 35: ...d Intensity 60 Brightness 40 Format YT Menu Display infinite SAVE RECALL Type Setups Save To Device Setup No 1 REF REFA REFB REFA Source CH1 REFA off REFB off UTILITY Sound on Counter On Back USB USBT...

Страница 36: ...g DC TRIGGER Video Type Video Source CH1 Polarity Normal Sync All Lines Standard NTSC Mode Auto TRIGGER Slope Type Slope Source CH1 Time 1 00ms Mode Auto TRIGGER Alternative Type Alternative Source CH...

Страница 37: ...b to adjust the storage position of setups waveforms pictures when saving recalling and to select menu options With some functions the light indicator above the knob will turn on to indicate that the...

Страница 38: ...of the screen For example Volts Pos 24 6mV 3 Press the vertical POSITION knob to set the vertical position to zero Volts div Knob 1 Use the Volts div knobs to control how the oscilloscope amplifies o...

Страница 39: ...ng Introduction Coupling DC AC GND DC passes both AC and DC components of the input signal AC blocks the DC component of the input signal and attenuates signals below 10 Hz GND disconnects the input s...

Страница 40: ...rn off invert function Filter Press this button to enter the Digital Filter menu Next Page Page 2 3 Press this button to enter the third page menu Table 3 6 Channel Function Menu 3 Option Setting Intr...

Страница 41: ...aveform Internally the channel input is connected to a zero volt reference level Fine Resolution The vertical scale readout displays the actual Volts Div setting while in the fine resolution setting C...

Страница 42: ...Setting up Channels Each channel has its own separate Menu The items are set up separately according to each channel 1 Setup Channel Coupling Take CH1 for example the tested signal is a sine wave sign...

Страница 43: ...sconnects the input signal 2 Bandwidth Limiting Take CH1 for example Press CH1 BW Limit On and bandwidth will be limited to 20 MHz Press CH1 BW Limit Off and bandwidth limit will be disabled www Globa...

Страница 44: ...ult setting of Volts Div and makes the vertical scaling in a 1 2 5 step sequence from 2 mV div 5 mV div and 10 mV div to 10 V div Press CH1 Volts Div Fine This setting changes the vertical control to...

Страница 45: ...the channel operation Menu If the attenuation coefficient is 10 1 the input coefficient should be set to 10X so that the Volts div information and measurement testing is correct Take CH1 for example w...

Страница 46: ...Attenuation Setting 5 Inverting Waveforms Take CH1 for example Press CH1 Next Page Page 1 3 Invert On Figure 3 10 Invert Waveform Screen www GlobalTestSupply com Find Quality Products Online at sales...

Страница 47: ...r Limit or Lower Limit and turn the Universal knob to adjust them Press CH1 Next Page Page 1 3 Filter Off Turn off the Digital Filter function Figure 3 11 Digital Filter Menu Press CH1 Next Page Page...

Страница 48: ...Press the MATH button again to remove the math waveform display Table 3 8 Math Function Menu Function Setting Description Operation FFT Math operates between signal source CH1 and CH2 Source A CH1 CH2...

Страница 49: ...ust the vertical scale of the MATH waveform Next Page Page 2 2 Go back to first page of MATH menu Table 3 10 Math Function Description Operation Setting Description A B Source A waveform adds Source B...

Страница 50: ...als Analyze the harmonic wave in the Power cable Test the harmonic content and distortion in the system Show the Noise in the DC Power supply Test the filter and pulse response in the system Analyze v...

Страница 51: ...u Table 3 12 FFT Function Menu 2 FFT Option Setting Description Scale Vrms Set Vrms to be the Vertical Scale unit dBVrms Set dBVrms to be the vertical Scale unit Display Split Full screen Display FFT...

Страница 52: ...cope to display many signal cycles To display FFT correctly follow these steps 1 Push the MATH button 2 Set the Operation option to FFT 3 Press the Source button to select CH1 or CH2 according to inpu...

Страница 53: ...d points to be at different amplitudes The transitions between the start and end points cause discontinuities in the signal that introduce high frequency transients Table 3 13 FFT Window Description W...

Страница 54: ...horizontally in a 1 2 5 step To magnify vertically turn the Volts div knob Measuring an FFT Spectrum Using Cursors You can take two measurements on FFT spectrums magnitude in dB and frequency in Hz Ma...

Страница 55: ...button to select MATH 12 Press the CurA option button turn the Universal knob to move Cursor A to the highest point of the FFT waveform 13 Press the CurB option button turn the Universal knob to move...

Страница 56: ...t has a DC component or offset can cause incorrect FFT waveform magnitude values To minimize the DC component choose AC Coupling on the source waveform To display FFT waveforms with a large dynamic ra...

Страница 57: ...eform has been saved Table 3 14 REF Function Menu Option Setting Description Source CH1 CH2 CH1 off CH2 off Choose the waveform display to store REFA REFB Choose the reference location to store or rec...

Страница 58: ...Volts div knob to adjust the vertical position and scale 4 Press the third option button to select REFA or REFB as storage position 5 Press the Save option button 6 Press the bottom option button to...

Страница 59: ...reen and window time base waveform to display on the below half screen at the same time Turn off this function to only display main time base waveform on the screen Horizontal Control Knob You can use...

Страница 60: ...t changes the width of the window zone by changing the window time base Display scan mode When the Time div control is set to 100 ms div or slower and the trigger mode is set to Auto the oscilloscope...

Страница 61: ...ed window waveform display on the below half screen at the same time 3 11 Trigger System The trigger determines when the oscilloscope starts to acquire data and display a waveform When a trigger is se...

Страница 62: ...ls automatically This is useful when you connect a signal to the EXT TRIG BNC and set the trigger source to Ext or Ext 5 FORCE Button Use the FORCE button to complete the current waveform acquisition...

Страница 63: ...EXT Does not display the trigger signal the Ext option uses the signal connected to the EXT TRIG front panel BNC and allows a trigger level range of 1 2V to 1 2V EXT 5 Same as Ext option but attenuat...

Страница 64: ...oscilloscope to acquire a single waveform press the SINGLE button Set up Enter the Trigger Setup Menu See Table 3 17 Table 3 17 Trigger Setup Function Menu Option Setting Explain Coupling DC Passes al...

Страница 65: ...RIG MENU button to display Trigger menu Press the Type option button to select Edge 2 Set up Source According to the input signal press the Source option button to select CH1 CH2 EXT EXT 5 or AC Line...

Страница 66: ...waveform when the trigger condition is satisfied and then stops 5 Set up Trigger coupling Press the Set Up button to enter the Trigger Setup Menu Press the Coupling option button to select DC AC HF R...

Страница 67: ...pulse width setting Negative pulse width equal to pulse width setting Select how to compare the trigger pulse relative to the value selected in the Set Pulse Width option Set Width 20 0ns 10 0s Selec...

Страница 68: ...ype of triggering Normal mode is best for most Pulse Width trigger applications Set up Enter the Trigger setup menu Next Page Page 2 2 Press this button to return to the first page Figure 3 23 Pulse T...

Страница 69: ...AC then you could trigger the NTSC PAL and SECAM video signal Source CH1 CH2 Select the input source to be the trigger signal EXT EXT 5 Ext and Ext 5 use the signal applied to the EXT TRIG connector...

Страница 70: ...a valid trigger This mode allows an untriggered scanning waveform at 100 ms div or slower time base settings Normal Use this mode when you want to see only valid triggered waveforms when you use this...

Страница 71: ...tton to select or 3 Set up Synchronization Press the Sync option button to select All Lines Line Num Odd Field and Even Field If you select Line Num you can turn the Universal knob to set the appointe...

Страница 72: ...e Trigger on positive slope of negative slope according to setup time of the oscilloscope Source CH1 CH2 EXT EXT 5 Select trigger source When Select trigger condition Time Set time Turn the Universal...

Страница 73: ...e trigger level that can be adjusted by LEVEL knob You can adjust LEVEL A LEVEL B or adjust them at the same time Mode Auto Use this mode to let the acquisition free run in the absence of a valid trig...

Страница 74: ...form press the SINGLE button Set up Enter Trigger setup menu See Table 3 17 Next Page Page 2 2 Return to the first page of slope trigger Figure 3 26 Slope Trigger Menu 2 Operating Instructions Follow...

Страница 75: ...t trigger level that can be adjusted 10 Turn the LEVEL knob Alternate Trigger The trigger signal comes from two vertical channels when you use alternate trigger In this mode you can observe two irrela...

Страница 76: ...trigger type information for CH2 signal Mode Edge Set trigger type of vertical channel signal to edge Next Page Page 1 2 Go to the second page of the TRIGGER Menu Table 3 24 Alternate Trigger Edge Mod...

Страница 77: ...Set trigger type information for CH2 signal Mode Pulse Set trigger type of the vertical channel signal to Pulse trigger Next Page Page 1 2 Enter the second page of Alternative trigger menu Table 3 26...

Страница 78: ...H1 CH2 Set the trigger channels Source CH1 CH2 Set trigger type information for CH1 signal Set trigger type information for CH2 signal Mode Video Set trigger type of the vertical channel signal to Vid...

Страница 79: ...iption Type Alternative The trigger signal comes from two vertical channels when you use alternative trigger In this mode you can observe two irrelative signals at the same time Channels CH1 CH2 Set t...

Страница 80: ...t the same time Set up Enter Trigger setup menu See Table 3 17 Next Page Page 2 2 Return to the first page of Alternative trigger menu Operating Instructions To use alternate triggering follow these s...

Страница 81: ...veform If you use trigger coupling you should press the TRIG MENU button and then select Edge Pulse Video or Slope trigger Then select the Coupling option in the Set Up menu Position The horizontal po...

Страница 82: ...NGLE button when you want the oscilloscope to acquire a single waveform Trigger coupling affects only the signal passed to the trigger system It does not affect the bandwidth or coupling of the signal...

Страница 83: ...me Trigger position Trigger level Figure 3 29 Trigger Holdoff Illustration If you want to change holdoff time please follow the steps below 1 Press the TRIG MENU button to show the TRIG Menu 2 Press t...

Страница 84: ...lation Mode Equ time Real time Set the Sampling mode to Equivalent time Set the Sampling mode to Real time Sa Rate Displays system sampling rate When you acquire a signal the oscilloscope converts it...

Страница 85: ...Figure 3 30 Acquire Menu Peak Detect Peak Detect mode capture the maximum and minimum values of a signal Finds highest and lowest record points over many acquisitions Advantage In this way the oscillo...

Страница 86: ...The oscilloscope acquires several waveforms averages them and displays the resulting waveform Advantage You can use this mode to reduce random noise www GlobalTestSupply com Find Quality Products Onl...

Страница 87: ...button again to stop the acquisition SINGLE Button Press the SINGLE button to acquire a single waveform Each time you push the SINGLE button the oscilloscope begins to acquire another waveform After...

Страница 88: ...t sample the signal fast enough to construct an accurate waveform record When this happens the oscilloscope displays a waveform with a frequency lower than the actual input waveform or triggers and di...

Страница 89: ...em The display function can be setup by pressing the DISPLAY button Table 3 32 Display System Menu 1 Option Setting Description Type Vectors Dots Vectors fill the space between adjacent sample points...

Страница 90: ...mat displays a dot each time a sample is acquired on channel 1 and channel 2 Screen Normal Inverted Set to normal mode Set to invert color display mode Grid Display grids and axes on the screen Turn o...

Страница 91: ...Table 3 34 Display System Menu 3 Option Setting Description Skin Classical Modern Tradition Succinct Set up screen style Next Page Page 3 3 Press this button to return to the first page Operating Ins...

Страница 92: ...ensity option button and turn the Universal knob to adjust waveforms intensity Set up Brightness Press the Brightness option button and turn the Universal knob to adjust grid brightness Set up display...

Страница 93: ...nnel 2 is the vertical axis The oscilloscope uses the untriggered Sample acquisition mode and displays data as dots NOTE The oscilloscope can capture a waveform in normal YT mode at any sampling rate...

Страница 94: ...orm amplitude and determine that it is a little more than 100 mV You can take simple measurements by counting the major and minor graticule divisions involved and multiplying by the scale factor For e...

Страница 95: ...sure voltage or time You can move the cursor by turning the Universal knob Before using cursors you should make sure that you have set the signal source as the channel for measuring Voltage Cursor Vol...

Страница 96: ...urn the Universal knob to adjust Cursor B 7 The measurement values are displayed on the top of the left corner If the measurement type is set to Voltage the values are as followed The voltage incremen...

Страница 97: ...nal channel that the Cursor A will measure Cursor B CH1 CH2 NONE Set the input signal channel that the Cursor B will measure Cur A Select this option turn the Universal knob to adjust horizontal coord...

Страница 98: ...Cur A turn the Universal knob to move Cursor A horizontally 6 Select Cur B turn the Universal knob to move Cursor B horizontally 7 The measurement values are displayed on the top left of the screen A...

Страница 99: ...automatically These cursors demonstrate the physical meanings of these measurements To do auto cursor measurements follow these steps 1 Press the CURSOR button to enter Cursor measure menu 2 Press th...

Страница 100: ...asurements are confined to be made by only using points on the display and not all the data points recorded by the oscilloscope Press the MEASURE button for Automatic Test There are three auto measure...

Страница 101: ...measure menu Figure 3 40 Auto Measure Menu Table 3 38 Auto Voltage Measurement Menu Option Setting Description Source CH1 CH2 Select input signal source for Voltage measure Type Vpp Vmax Vmin Vpp Vamp...

Страница 102: ...CH2 Select input signal source for Time measure Type Period Freq Width Width Rise Time Fall Time BWidth Duty Duty Press the Type button or turn the Universal knob to select Time measure parameter Dis...

Страница 103: ...e 3 41 All Measurement Menu Option Setting Description Source CH1 CH2 Select input signal channel Voltage On Off Turn on the all measurement function to measure voltage parameters Turn of the all meas...

Страница 104: ...sures the lowest voltage over the entire waveform Vamp Voltage between Vhig and Vlow of a waveform Vavg The arithmetic mean over the first cycle in the waveform Mean The arithmetic mean over the entir...

Страница 105: ...50 level Duty Measures the first cycle waveform Positive Duty Cycle is the ratio between positive pulse width and period Duty Measures the first cycle waveform Negative Duty Cycle is the ratio between...

Страница 106: ...of source Y If you want to measure voltage parameters please follow the steps below 1 Press the MEASURE button to enter the Auto measurement menu 2 Press the first option button to enter the second m...

Страница 107: ...me If you want to measure time parameters using all measure function please follow these steps 1 Press the MEASURE button to enter the Auto Measure menu 2 Press the top option button to enter the seco...

Страница 108: ...you can save setup data waveform data waveform display image and CSV file to a USB flash drive Setup data and waveform data that are saved to a USB flash drive can be recalled on the oscilloscope For...

Страница 109: ...3 43 Save All Menu Directory While file shows option buttons for New File Delete File and Load Figure 3 44 Save All Menu Files www GlobalTestSupply com Find Quality Products Online at sales GlobalTest...

Страница 110: ...grayed out when BMP or CSV file types are selected Both Directory and Files have Rename and Return option buttons on Page 2 2 Use these buttons to give an existing folder of file a new name or to exit...

Страница 111: ...ld completed as desired to save the file onto the memory device After the Confirm option button is pressed a Data Store Success messages briefly shown and the new folder or file is shown on your USB f...

Страница 112: ...e s internal memory follow the steps below For example Save setup that set waveform display type to Dots to internal memory 1 Press the SAVE RECALL button to enter the SAVE RECALL menu 2 Press the Typ...

Страница 113: ...ct Setups 3 Press the Save to option button to select Device 4 Press the Setup option button or turn the Universal knob to select No 1 5 Press the Recall option button Save Setup to USB flash drive Ta...

Страница 114: ...ve option button then you ll go into the Save Recall interface 5 Press the New Dir button to create a new folder 6 Press the Del folder option button to delete a folder 7 Press the New file option but...

Страница 115: ...ll go into the Save Recall interface 6 Choose the file you want then press the Load option button within 5 seconds there will be a message Read data success Now the setup data have been recalled from...

Страница 116: ...alling Save to Device Save waveforms to the oscilloscope s internal memory Waveform No 1 to No 10 Press the waveform option button or turn the Universal knob to select storage location Save Save wavef...

Страница 117: ...tion button or turn the Universal knob to select No 1 6 Turn the Volts div knob or Time div knob to adjust the waveform that you want 7 Press the Save option button To recall waveforms follow the step...

Страница 118: ...drive Save Select to save to USB Figure 3 50 Save Waveform Screen To Flash Drive To save waveforms to a USB flash drive follow the steps below 1 Input a sine signal to channel 1 press the AUTO button...

Страница 119: ...drive to the front or rear USB host port of the oscilloscope and wait until the oscilloscope has initialized USB flash drive within ten seconds 4 Press the Save to option button to select File 5 Pres...

Страница 120: ...ait until the oscilloscope has initialized the USB flash drive about five seconds 5 Press the Print Key option button to save the screenshot image to the USB flash drive 6 Alternatively you can custom...

Страница 121: ...he Storage CSV file to USB flash drive Data Depth Displayed Maximum Set to store displayed waveform data to CSV file Set to store maximum waveform data to CSV file Para Save On Off Set whether to incl...

Страница 122: ...SB flash drive about five seconds 4 Press the Data Depth option button to select Displayed or Maximum 5 Press the Para Save option button to select On or Off 6 Press the Save option button then you ll...

Страница 123: ...ata depth set to maximum Time Base Single Channel Dual Channel 2 5 ns 50 ns 40 k 20 k 100 ns 50 ms 20 k 20 k 3 16 Utility System Press the UTILITY button from the front panel to access utility options...

Страница 124: ...m Menu 2 Option Setting Description Do Self Cal Auto self emendation Do Self Test Screen Test Keyboard Test LED Test Run the screen test program Run the keyboard test program Run the LED test program...

Страница 125: ...irmware of the oscilloscope using a USB flash Drive Pass Fail Press this button to enter the Pass Fail menu Record Press this button to enter the waveform record menu IO Setting Press this button to s...

Страница 126: ...escription Screen saver 1min 2min 5min 10min 15min 30min 1hour 2hour 5hour Off Set the time of Screen saver Recorder Enter recorder function scan mode only Next Page Press this button to enter first p...

Страница 127: ...Screen 4 System Status Press the System Status option button of the Utility Menu to view the oscilloscope s hardware and software configuration www GlobalTestSupply com Find Quality Products Online a...

Страница 128: ...the software version Hardware Version List the hardware version Product type List the product model Serial No List the product serial number Language Menu items can be displayed in 12 different langu...

Страница 129: ...ment runs more than thirty minutes running self calibration is recommended When you run the self Calibration you must disconnect all the probes and leads and make sure the scope is not in Single Shot...

Страница 130: ...rd Test Run Keyboard Test Program LED Test Run LED Test Program Screen Test Select Screen Test to enter the screen test interface The message Press SINGLE Key to continue Press RUN STOP Key to exit is...

Страница 131: ...eys and knobs to verify that all the backlit buttons illuminate correctly NOTE When you first enter the test the screen will display all on screen shapes in white color Pressing any buttons on the fro...

Страница 132: ...Press RUN STOP Key to exit Each time SINGLE key is pressed a key shape on the screen will turn green indicating that the corresponding key or indicator should be lid up Press SINGLE again to test anot...

Страница 133: ...l of the oscilloscope 3 Press the UTILITY button to enter the Utility menu 4 Press the Next Page option button to enter the third page of the Utility menu 5 Press the Update Firmware option button Rea...

Страница 134: ...signals and output pass or fail signals by monitoring the input signal and checking if it is within the predefined mask or not Table 3 56 Pass Fail Menu 1 Option Setting Description Enable On Off Turn...

Страница 135: ...l when fail condition is detected Stop On Output On Off When On stops test when output occurs When Off continues test when output occurs Mask Setting Enter the Mask Setting menu Return Return to the P...

Страница 136: ...iv 4 00div Y Mask ydiv Turn the Universal knob to set the range of vertical clearance to the waveform 0 04div 4 00div Create Mask Create a test mask according to the above clearance Location Internal...

Страница 137: ...ting Description Save Store created mask setting Load Recall stored mask setting Return Return to the main menu of mask setting Last Page Page 2 2 Return to the first page of Mask Setting menu www Glo...

Страница 138: ...ource option button to select input signal channel 7 Press the Next Page Page 1 2 option button to enter the second page of the Pass Fail menu 8 Press the Mask Setting option button to enter the first...

Страница 139: ...est output especially useful when capturing abnormal signals over a long period of time without having to watch the signal Table 3 60 Waveform Record Function Menu Option Setting Description Mode Reco...

Страница 140: ...n button to select Record 5 Press the Source option button to select the input signal channel 6 Select Interval option and turn the Universal knob to adjust time interval between record frames 7 Selec...

Страница 141: ...r play mode Set single time play mode Interval Set time interval between frames Next Page Page 1 2 Enter the second page of Play Back menu Figure 3 68 Playback Menu Screen 1 Recode Mode Table 3 62 Wav...

Страница 142: ...ton to enter Utility menu 2 Press the Mode option button to select Play Back 3 Press the Play Mode option button to select or 4 Press the Interval option button to select time interval between play ba...

Страница 143: ...izontal Control Knob section It is similar to the above described waveform recorder mode however the recorded data can be played back on screen and be retrieved from storage memory Maximum recordable...

Страница 144: ...e Memory USB key Stores recording to internal memory Stores recording to external USB flash drive Return Return to the Recorder Menu Table 3 65 Waveform Recorder Replay Mode Menu Option Description Co...

Страница 145: ...een recording and channel recalling Waveform of recording on split screen and channel recalling CH1 is displayed in upper half screen and CH2 is displayed in lower half screen Record Mode Roll Single...

Страница 146: ...e UTILITY button to enter Utility menu 2 Press the Next Page option button to enter the fourth page of Utility menu 3 Press the Recorder button to enter the Recorder menu 4 Press the Option button to...

Страница 147: ...picture below Figure 3 73 LAN Configuration Note To move to the right press the Universal Button To change the values of the menus rotate the Universal Button and finally to jump to the next line pre...

Страница 148: ...the HELP button to enter the help status and then press any button to recall the corresponding help information All submenus of every main menu have their help information NOTE If you want to see hel...

Страница 149: ...rcuit display the signal quickly and measure the frequency and peak to peak amplitude Using Auto set To quickly display a signal follow these steps 1 Press the CH1 button set the Probe option attenuat...

Страница 150: ...and measure value will display on the third option area Measure signal frequency 1 Press the MEASURE button to display Auto Measure Menu 2 Press the top second option button 3 Press the Voltage option...

Страница 151: ...easured ring frequency on the top left of the screen Figure 4 1 Taking Cursor Measurements Time Measuring Ring Amplitude To measure the amplitude follow these steps 1 Press the CURSORS button to see t...

Страница 152: ...t Cursor B Figure 4 2 Taking Cursor Measurements Voltage 4 3 Capturing a Single Shot Signal To capture a single event you need to gather some knowledge of the signal in order to correctly set up the t...

Страница 153: ...with one acquisition Pressing the RUN STOP button again rearms the trigger circuit and erases the display 4 4 Analyzing Signal Details You have a noisy signal displayed on the oscilloscope and need t...

Страница 154: ...f a signal 4 5 Triggering on a Video Signal Observe the video circuit in a piece of medical equipment and use the video trigger to obtain a stable display Triggering on Video Field To trigger on the v...

Страница 155: ...circuit To view the input and output of the circuit in an XY display follow these steps 1 Press the CH 1 MENU button and set the Probe option attenuation to 10X 2 Press the CH 2 MENU button and set th...

Страница 156: ...and turn the Universal knob to adjust the contrast of the screen Apply the Ellipse method to observe the phase difference between the two channels D C A B signal must be centered in X Figure 4 3 Out o...

Страница 157: ...be in the range of 2 or 3 2 4 7 Analyzing a Differential Communication Signal You are having intermittent problems with a serial data communication link and suspect poor signal quality Set up the osci...

Страница 158: ...nel 2 waveforms from the display ii Turn the CH 1 and CH 2 VOLTS DIV and VERTICAL POSITION knobs to adjust the vertical scale and position NOTE First be sure to compensate both probes Differences in p...

Страница 159: ...145 Remote communication commands are supported via the USB and LAN interface www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Страница 160: ...unning No signal The system would display this information when the signal could not match the auto set condition while using the auto set function Adjust at limit Prompts that the pulse width setting...

Страница 161: ...signal wave in the screen after probing DUT for a signal please do as follows 1 Check whether the probe is connecting with the signal cable or not 2 Check whether the signal cable is connected with t...

Страница 162: ...ve the trigger level to the middle position or set the trigger mode to the Auto position You can also press the Auto button to set it up automatically 6 After the Acquisition is set to Averages or Dis...

Страница 163: ...hin the factory calibration interval All specifications are guaranteed unless noted typical 2190E Inputs Input Coupling AC DC GND Input Impedance 1 M 2 16 pF 3 pF Maximum Input voltage 400 V DC AC PK...

Страница 164: ...ut w 50 feed thru Math operation FFT FFT Window mode Hanning Hamming Blackman Rectangular Sampling points 1024 Bandwidth limited 20 MHz 40 Note Bandwidth limited below 20 MHz when using probe in x1 Ho...

Страница 165: ...ory depth 2 sampling Delay Trigger 271 04 div Trigger Level Accuracy typical applicable for the signal of rising and falling time 20 ns Internal 0 2 div V div within 4 divisions from center of screen...

Страница 166: ...igger Position Save Recall 20 setups and 10 captured waveforms to from internal memory or to external USB flash drive Measurement System Measure 32 Types Vpp Vmax Vmin Vamp Vtop Vbase Vavg Mean Crms V...

Страница 167: ...to 60 Cooling Cooling Fan Humidity Operating 85 RH 40 24 hours Not operating 85 RH 65 24 hours Altitude Operating 3000m Not operating 15 266m AC Input 100 240 VAC CAT II Auto selection Frequency 45 H...

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