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EXFO T200S, User Manual, Page: 18 / 146

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Summary of Contents for T200S

Page 1: ...User Guide T200S Tunable Laser Source www EXFO com...

Page 2: ...that may result from its use No license is granted by implication or otherwise under any patent rights of EXFO EXFO s Commerce And Government Entities CAGE code under the North Atlantic Treaty Organiz...

Page 3: ...e Date and Time 20 Connecting the T200S to your Company Network 21 Renaming the Instrument 22 Handling User Configuration 23 5 Setting the Emission Wavelength Frequency 25 Defining General Emission Se...

Page 4: ...ing Assistance Tools 64 Viewing System Information 65 Displaying the User Documentation 65 Contacting the Technical Support Group 65 Transportation 66 10 Warranty 67 General Information 67 Gray Market...

Page 5: ...l et utilis conform ment la documentation de l utilisateur il peut occasionner une interf rence n faste aux communications radio L utilisation de cet quipement dans une zone r sidentielle est suscepti...

Page 6: ...et de laboratoire les processus industriels appareils de mesure ou de contr le Appareils du groupe 2 le groupe 2 r unit tous les appareils ISM fr quences radio lectriques dans lesquels de l nergie fr...

Page 7: ...most recent technical specifications visit the EXFO Web site at www exfo com Hardware Interfaces for External Devices USB A 2 0 x2 Mouse keyboard or USB key for software update USB A 3 0 x1 Remote Int...

Page 8: ...mote examples if any and user documentation Front panel On Off button The On Off button enables you to turn on or off the T200S see Turning on the T200S and Accessing the GUI on page 16 andTurning off...

Page 9: ...details see Triggering the Sweep Sequence on page 34 Trig out output BNC connector for outputting a trigger signal during wavelength frequency emission For more details see Generating an Output Trigg...

Page 10: ...For more details see Connecting the T200S to your Company Network on page 21 Perform remote control operations on the T200S For more details see Remotely Controlling the T200S on page 43 Cooling Fan T...

Page 11: ...egulatory Information on page v UK conformity assessment See Regulatory Information on page v CE marking See Regulatory Information on page v Laser safety label The product is a class 1M laser product...

Page 12: ...roceed unless you understand and meet the required conditions CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury Do not proceed unless you...

Page 13: ...d approved by EXFO For a complete list of accessories available for your unit refer to its technical specifications or contact EXFO IMPORTANT Refer to the documentation provided by the manufacturers o...

Page 14: ...your product are located throughout this documentation depending on the action to perform Make sure to read them carefully when they apply to your situation WARNING Viewing the laser output with tele...

Page 15: ...or more of the following symbols may also appear on your unit Symbol Meaning Direct current Alternating current The unit is equipped with an earth ground terminal The unit is equipped with a protectiv...

Page 16: ...NING Use this unit indoors only Do not remove unit covers during operation Operation of any electrical instrument around flammable gases or fumes constitutes a major safety hazard To avoid electrical...

Page 17: ...formance guaranteed temperature 18 C to 28 C 64 4 F to 82 4 F Relative humidity 80 non condensing Maximum operation altitude 2000 m 6562 ft Pollution degree 2 Overvoltage category II Measurement categ...

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Page 19: ...the T200S on a flat stable surface free of excessive vibration 4 Allow the flow of air to circulate freely at the front and rear of the T200S and remove any equipment or paper that could block the air...

Page 20: ...e rear panel of the T200S 3 Plug the other end of the power supply cable to the proper voltage wall socket outlet to know the voltage requirement see Electrical Safety Information on page 10 4 On the...

Page 21: ...nt panel lift the protective cap and connect an external optical component or instruments to the T200S via the FC APC fiber optic connector To protect the laser output connector leave a fiber optic ca...

Page 22: ...n during startup in this case you can fully use the T200S but performances are not guaranteed The touch screen display enables you to access all the T200S functions To access the T200S graphical user...

Page 23: ...page 25 Opens the T200S settings window to define general parameters connect the T200S update the T200S or perform wavelength reference Opens the event log For more details see Displaying the List of...

Page 24: ...perating mode Appears if the T200S needs internal referencing This button performs an internal wavelength referencing For more details see Performing Internal Wavelength Referencing on page 37 Appears...

Page 25: ...y Colors You can change the theme of the display and modify its brightness as explained in the following procedures To modify the brightness and theme 1 In the T200S task bar touch the button to displ...

Page 26: ...nd time area enables you to set the date and time of the T200S 2 To manually set the date and time 2a Clear the Set time automatically check box 2b Touch the Date and Time fields to enter the date and...

Page 27: ...y network 1 Connect an RJ45 cable from your company network to the T200S Ethernet port 2 In the T200S task bar touch the button to display the Settings window and select the Ethernet tab The TCP socke...

Page 28: ...automatically established You cannot modify the connection values 6 Touch Apply to validate the set connection parameters 7 If you want to retrieve the previously applied connection parameters touch t...

Page 29: ...button to display the Settings window and select the Instrument tab The Configuration area enables you to manage your laser configuration 2 Select the Keep configuration after reboot check box The la...

Page 30: ...the task bar touch the button to display the Settings window and select the Instrument tab The Configuration area enables you to manage your laser configuration 2 Touch the Restore factory settings bu...

Page 31: ...Spectral Unit You can define the spectral unit you want to use for all operating modes in the Settings window as explained in the following procedure To set the spectral unit 1 In the T200S task bar...

Page 32: ...s to the absolute wavelength or frequency position with optimum absolute accuracy according to your laser optical specifications Activating this setting may slightly slow down the move of the laser to...

Page 33: ...equency is reached with optimum accuracy To enter the emission wavelength frequency 1 In the task bar select the TUNE mode in the drop down list 2 Enable the laser output see Enabling Disabling the La...

Page 34: ...es Tuning the laser using steps reached relatively from the absolute wavelength frequency position cancels high accuracy In Optimized linewidth mode the steps are set to 0 005 nm and 0 001 nm or 0 5 G...

Page 35: ...ngth frequency position Generating an Output Trigger Signal during Emission In TUNE mode the T200S can generate a trigger signal once the laser has stabilized on the selected position for more details...

Page 36: ...stop wavelength according to the parameters speed pause cycles you have set You can start the sweep manually or with a trigger signal Configuring the Continuous Sweep The Sweep mode settings menu ena...

Page 37: ...omatically positioned at the start value and moves to the stop value Cycles Number of sweeps you want the laser to perform If you enter 0 the laser sweeps indefinitely until you touch the Stop button...

Page 38: ...generate output trigger signal when it sweeps One way The T200S sweeps from the start to the stop specified wavelength frequency at the specified sweep speed and returns to the initial wavelength at...

Page 39: ...he Laser Output on page 39 5 If you want to arm the laser to the start position before sweeping touch the button The laser moves to the start position and is ready to perform a sweep sequence 6 Touch...

Page 40: ...enu appears 3 In the Sweep Control area select Trigger In The icon appears in the Parameters area of the SWEEP window 4 Touch anywhere outside the menu to exit 5 Enable the laser output see Enabling D...

Page 41: ...e time set in the Pause parameter moves back to the start position and waits for the next trigger to start the following sweep When it has completed the number of cycles the sweep stops and if the Aut...

Page 42: ...WEEP mode window touch the button The mode setting menu appears 2 In the Sweep Control area select the Trigger Out check box The icon appears in the Parameters area of the SWEEP window to indicate tha...

Page 43: ...internal referencing at any time as explained in the following procedure If the button appears on screen it means that the T200S needs internal referencing the T200S is fully usable but performances a...

Page 44: ...instrument to which you want to output the signal meets the electrical requirements detailed for out BNC connector in Hardware Specifications on page 1 2 Connect the external instrument to the out BN...

Page 45: ...turned off you cannot move the laser or enter the wanted power value The entered wavelength frequency is only applied if the laser is enabled To enable the laser output Touch the Enable button The la...

Page 46: ...n the Settings window as explained in the following procedure To set the power unit 1 In the T200S task bar touch the button to display the Settings window and select the Instrument tab The Units area...

Page 47: ...the signal meets the electrical requirements detailed for Power out BNC connector in Technical Specifications on page 1 2 Connect the external instrument to the Power out BNC connector located on the...

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Page 49: ...the connection does not work contact your company network administrator To directly control the T200S from a computer 1 In the T200S task bar touch the button to display the Settings window and select...

Page 50: ...it receives a command from an external controller When the remote mode is activated you cannot use the T200S GUI to control the T200S In remote mode the T200S GUI displays the Local mode button on the...

Page 51: ...h the IEEE 488 2 standard These registers allow the controller to monitor events and get useful information on the status of the devices it controls Standard Event Status Register ESR Standard Event S...

Page 52: ...ble shows the content of the Standard Event Status Enable Register ESE and Standard Event Status Register ESR Bit Weight Meaning 7 PON 128 Power ON Enable 6 URQ 64 User ReQuest Enable 5 CMD 32 CoMmanD...

Page 53: ...Bit Weight Meaning 7 N U 128 Not used 6 N U 64 Not used 5 ESB 32 Event Summary Bit Enable 4 MAV 16 Message AVailable Enable 3 N U 8 Not used 2 EAV 4 Error event AVailable Enable 1 N U 2 Not used 0 N...

Page 54: ...ument is warming up 10 1024 Always zero 9 512 INITializing the instrument is currently performing initialization 8 256 REFerencing the instrument is currently performing a reference 7 128 CORRecting t...

Page 55: ...is not operational 9 512 Always zero 8 256 CALibration the calibration accuracy of the signal is of questionable quality 7 128 MODulation the modulation accuracy of the signal is of questionable quali...

Page 56: ...type OUTP SYNC STAT ON The following table shows elements that are commonly used in the commands or queries syntax Item Meaning Enclose optional keywords or parameters Do not include square brackets i...

Page 57: ...t with the same character set and to use supported characters while giving names to files or to other items Command Types The T200S uses the following types of commands and queries Sequential these co...

Page 58: ...tion Error messages ending in a negative number are SCPI based errors Name Value Mnemonic Exa 1E18 EX Peta 1E15 PE Tera 1E12 T Giga 1E9 G Mega 1E6 MA Kilo 1E3 K Milli 1E 3 M Micro 1E 6 U Nano 1E 9 N P...

Page 59: ...completely Cleaning the T200S Cleaning the Cover of the T200S If the external cover of the T200S becomes dirty or dusty clean it by following the instructions below Material needed Cleaning cloth Isop...

Page 60: ...s of optical power you must regularly verify that the optical connector of the T200S is clean Handle optical fiber with appropriate care and preserve the integrity of optical connectors by keeping the...

Page 61: ...ons 4a Hold the can of compressed air upright and spray the can into the air to purge any propellant 4b Spray the clean compressed air on the connector to remove any loose particles or moisture 5 Clea...

Page 62: ...rts 4 Turn off the T200S see Turning off the T200S on page 18 5 On the front panel press the button to turn on the T200S The T200S automatically detects the pkg file on the USB device and starts the u...

Page 63: ...system button The T200S verifies if your system is up to date This operation might take time If after 15 minutes the T200S is still checking for updates a problem may have occurred during the update c...

Page 64: ...flat head screwdriver 1 or 2 replacement fuses for fuse type see Technical Specifications on page 3 To replace a fuse 1 Turn off the unit and unplug the power cord 2 Using a flat head screwdriver as a...

Page 65: ...on All of these elements must be taken into consideration when determining the appropriate calibration interval of this particular EXFO unit Under normal use the recommended interval for your T200S is...

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Page 67: ...tart the T200S as explained in Turning on the T200S and Accessing the GUI on page 16 Abruptly Turning off the T200S Emergency Shutdown In case of emergency presence of smoke flame or any immediate haz...

Page 68: ...s to turn off the T200S 1b Press the On Off button to turn on the T200S 1c On the first sign that the T200S has started hold down the On Off button for 10 seconds to turn off the T200S 1d Press the On...

Page 69: ...h Next 6 Read the warning and click Start to restore the unit to its initial state When the operation is complete the application prompts you 7 Touch OK The unit restarts If an error is display at sta...

Page 70: ...og button The list of event log is displayed 3 Connect a USB storage device to one of the available USB ports 4 Touch the Save event log button The event log is saved at the root of the USB storage de...

Page 71: ...XFO website www EXFO com en resources Contacting the Technical Support Group To obtain after sales service or technical support for this product contact EXFO at one of the following numbers The Techni...

Page 72: ...ossibility of damage Pack the unit in its original packing material when shipping Avoid high humidity or large temperature fluctuations Keep the unit out of direct sunlight Avoid unnecessary shocks an...

Page 73: ...ficial unauthorized or unintended by the original manufacturer Intermediaries using such channels to distribute products are considered to be part of the gray market hereafter unauthorized intermediar...

Page 74: ...anges in the design or construction of any of its products at any time without incurring obligation to make any changes whatsoever on units purchased Accessories including but not limited to fuses pil...

Page 75: ...e conditions under which it was observed 5 Return the equipment prepaid to the address given to you by support personnel Be sure to write the RMA number on the shipping slip EXFO will refuse and retur...

Page 76: ...ervices exfo service centers EXFO Headquarters Service Center 400 Godin Avenue Quebec Quebec G1M 2K2 CANADA 1 866 683 0155 USA and Canada Tel 1 418 683 5498 Fax 1 418 683 9224 support exfo com EXFO Eu...

Page 77: ...ned on the following pages Command Function Section CLS Clear status command CLS on page 72 ESE Standard event status enable command ESE on page 72 ESE Standard event status enable query ESE on page 7...

Page 78: ...for the bits to be enabled in the Standard Event Status Register Type Overlapping Syntax ESE wsp register value Parameter s register value The register value represents the bit values of the Standard...

Page 79: ...46 Type Overlapping Syntax ESE Parameter s None Response Syntax register value Response s register value The register value value represents the bit values of the Standard Event Status Enable register...

Page 80: ...dard Event Status Enable Register ESE and Standard Event Status Register ESR on page 46 Example s ESR returns 33 the CME and OPC bits are set See Also ESE on page 73 ESR on page 74 IDN Description The...

Page 81: ...Syntax OPC Parameter s None See Also OPC on page 75 WAI on page 79 OPC Description The OPC query makes possible the synchronization between the instrument and an external controller by reading the Ou...

Page 82: ...ategy The RST command does the following Sets the device specific functions to a known state that is independent of the past use history of the device Forces the device into OCIS state Operation compl...

Page 83: ...n page 47 Example s SRE 52 where 52 sets the ESB MAV and EAV bits See Also SRE on page 77 STB on page 78 SRE Description The SRE query returns the current content of the Service Request Enable Registe...

Page 84: ...ns 68 the MSS and EAV bits are set See Also SRE on page 77 TRG Description This command causes the immediate exit from the event detector of a trigger sequence if the system is waiting for the BUS eve...

Page 85: ...al Commands WAI Description The WAI command prevents the device from executing any further commands or queries until the no operation pending flag becomes TRUE Type Overlapping no query Syntax WAI Par...

Page 86: ...on page 90 OUTPut OUTPut Commands and Queries on page 92 SOURCE SOURce Commands and Queries on page 96 STATus STATus Commands and Queries on page 126 SYSTem SYSTem Commands and Queries on page 128 TRI...

Page 87: ...Yer SOURce wsp source Parameter s source Valid arm event source The allowed values are BUS the sweep sequence is started by the TRG command Once initiated with the INITiate IMMediate ALL on page 89 th...

Page 88: ...source BUS the sweep sequence is started by the TRG command see TRG on page 78 Once initiated with the INITiate IMMediate ALL on page 89 the instrument waits for the TRG command to start the sequence...

Page 89: ...5 DATA TIME see p 86 WARMup ABORt see p 86 CALibration ALL Description This command starts a full wavelength referencing of the instrument During the execution of this command bit 0 CALibrating is set...

Page 90: ...None Response Syntax temperature Response s temperature Floating point number corresponding to the temperature value measured during wavelength referencing The unit of the returned value depends on t...

Page 91: ...integer corresponding to the year of the current calibration month Integer corresponding to the month of the current calibration in the range 01 to 12 01 corresponds to January 02 to February and so o...

Page 92: ...r corresponding to the number of seconds in the range 0 to 59 Example s CAL DATA TIME returns 14 57 09 See Also CALibration ALL on page 83 CALibration DATA DATE on page 85 CALibration DATA TEMPerature...

Page 93: ...pe Format of data readings Possibles values are ASCii numeric data is formatted as ASCII bytes such as NR1 NUMERIC RESPONSE DATA NR2 NUMERIC RESPONSE DATA or NR3 NUMERIC RESPONSE DATA representation a...

Page 94: ...NUMERIC RESPONSE DATA or NR3 NUMERIC RESPONSE DATA representation as approriate PACKed data is formatted as a series of 8 bit binary data bytes length If the data is returned in ASCii format the lengt...

Page 95: ...Tiate IMMediate ALL Description This command completes one full trigger system cycle and returns to IDLE on completion This command initiates a sweep sequence This command is an event and has no assoc...

Page 96: ...uery returns the power read at the source output This query has no associated RST condition Syntax MEASure SCALar POWer DC Parameter s None Response Syntax power Response s power Floating point number...

Page 97: ...ASure SCALar TEMPerature DC Parameter s None Response Syntax temperature Response s temperature Floating point number corresponding to the temperature measured in the instrument The unit of the return...

Page 98: ...laser output At RST this value is set to ON During the execution of this command bit 1 SETTling is set in the Operation Status Condition register see Operational Questionable Status Reporting on page...

Page 99: ...ration on the specified monitoring BNC connector located on the rear panel MONitor1 is the out BNC connector for spectrum monitoring MONitor2 is the Power out BNC connector for power monitoring During...

Page 100: ...oring MONitor2 is the Power out BNC connector for power monitoring At RST this value is set to OFF Syntax OUTPut MONitor1 2 STATe Parameter s None Response Syntax state Response s state State of the s...

Page 101: ...tput is open Example s OUTP SYNC STAT OFF closed See Also OUTPut MONitor1 2 STATe on page 93 OUTPut SYNChronization STATe on page 95 OUTPut SYNChronization STATe Description This query indicates if th...

Page 102: ...EFault see p 105 OPTimization BCOMpensation STATe state see p 106 STATe see p 106 OLINewidth STATe state see p 107 STATe see p 107 SWEep CYCLe CONTinuous state see p 108 CONTinuous see p 108 COUNt cou...

Page 103: ...pecific Commands SPEed LIST see p 121 STARt start unit MAXimum MINimum DEFault see p 122 STARt MAXimum MINimum DEFault see p 123 STOP stop unit MAXimum MINimum DEFault see p 124 STOP MAXimum MINimum D...

Page 104: ...ible frequency value depending on the laser model MINimum Sets the emission frequency to the minimum possible frequency value depending on the laser model DEFault Sets the emission frequency to the de...

Page 105: ...for the laser model MINimum The query returns the minimum possible frequency value for the laser model DEFault The query returns the default frequency value for the laser model Response Syntax frequen...

Page 106: ...OURce FREQuency CW FIXed STEP WIDTh on page 101 MIN and MAX parameters unit Unit of the frequency step HZ preceded by a possible multiplier Possible multipliers are listed in Unit Multipliers on page...

Page 107: ...s the maximum possible frequency value for the laser model MINimum The query returns the minimum possible frequency value for the laser model DEFault The query returns the default frequency value for...

Page 108: ...ers unit Unit of the start frequency HZ preceded by a possible multiplier Possible multipliers are listed in Unit Multipliers on page 52 MAXimum Sets the start frequency to the maximum possible value...

Page 109: ...l MINimum The query returns the minimum possible start frequency for the laser model DEFault The query returns the default start frequency for the laser model Response Syntax start Response s start Fl...

Page 110: ...ameters unit Unit of the stop frequency HZ preceded by a possible multiplier Possible multipliers are listed in Unit Multipliers on page 52 MAXimum Sets the stop frequency to the maximum possible valu...

Page 111: ...del MINimum The query returns the minimum possible stop frequency for the laser model DEFault The query returns the default stop frequency for the laser model Response Syntax stop Response s stop Floa...

Page 112: ...pensation enabled See Also SOURce OPTimization BCOMpensation STATe on page 106 SOURce OPTimization OLINewidth STATe on page 107 SOURce OPTimization BCOMpensation STATe Description This query returns t...

Page 113: ...Rce FREQuency CW FIXed on page 98 SOURce OPTimization BCOMpensation STATe on page 106 SOURce OPTimization OLINewidth STATe on page 107 SOURce WAVelength CW FIXed on page 115 SOURce OPTimization OLINew...

Page 114: ...E CYCL CONT ON SOUR SWE CYCL CONT returns 1 continuous cycle enabled See Also SOURce SWEep CYCLe CONTinuous on page 108 SOURce SWEep CYCLe COUNt on page 109 SOURce SWEep CYCLe CONTinuous Description T...

Page 115: ...nt Number of sweep cycles you want the instrument to perform To know the valid count range use the query SOURce SWEep CYCLe COUNt on page 110 MIN and MAX parameters MAXimum Sets the number of sweep cy...

Page 116: ...ns the maximum possible number of sweep cycles MINimum The query returns the minimum possible number of sweep cycles DEFault The query returns the default number of sweep cycles Response Syntax count...

Page 117: ...now the valid time range use the query SOURce SWEep HOLDoff on page 112 MIN and MAX parameters unit Unit of the pause value S preceded by a possible multiplier Possible multipliers are listed in Unit...

Page 118: ...Parameter s MAXimum The query returns the maximum possible pause duration in second MINimum The query returns the minimum possible pause duration in second DEFault The query returns the default pause...

Page 119: ...s SOURce FREQuency SWEep STARt on page 102 and SOURce WAVelength SWEep STARt on page 122 STOP on sweep sequence completion the source stays at the sweep stop position If the sweep sequence is complete...

Page 120: ...SOURce FREQuency SWEep STARt on page 102 and SOURce WAVelength SWEep STARt on page 122 STOP on sweep sequence completion the source stays at the sweep stop position If the sweep sequence is completed...

Page 121: ...le wavelength value depending on the laser model MINimum Sets the emission wavelength to the minimum possible wavelength value depending on the laser model DEFault Sets the emission wavelength to the...

Page 122: ...for the laser model MINimum The query returns the minimum possible wavelength value for the laser model DEFault The query returns the default wavelength value for the laser model Response Syntax wave...

Page 123: ...query SOURce WAVelength CW FIXed STEP WIDTh on page 118 MIN and MAX parameters unit Unit of the wavelength step M preceded by a possible multiplier Possible multipliers are listed in Unit Multipliers...

Page 124: ...imum possible wavelength value for the laser model MINimum The query returns the minimum possible wavelength value for the laser model DEFault The query returns the default wavelength value for the la...

Page 125: ...econd To know the valid speed range use the query SOURce WAVelength SWEep SPEed on page 120 MIN and MAX parameters MAXimum Sets the speed to the maximum possible value MINimum Sets the speed to the mi...

Page 126: ...ximum possible speed in meter per second MINimum The query returns the minimum possible speed in meter per second DEFault The query returns the default speed in meter per second Response Syntax speed...

Page 127: ...eter s None Response Syntax speed Response s speed Value corresponding to the vector of speed values in meter per second You can use the FORMat DATA PACK command to set list data transfer in compresse...

Page 128: ...rameters unit Unit of the start wavelength M preceded by a possible multiplier Possible multipliers are listed in Unit Multipliers on page 52 MAXimum Sets the start wavelength to the maximum possible...

Page 129: ...MINimum The query returns the minimum possible start wavelength for the laser model DEFault The query returns the default start wavelength for the laser model Response Syntax start Response s start F...

Page 130: ...meters unit Unit of the stop wavelength M preceded by a possible multiplier Possible multipliers are listed in Unit Multipliers on page 52 MAXimum Sets the stop wavelength to the maximum possible valu...

Page 131: ...el MINimum The query returns the minimum possible stop wavelength for the laser model DEFault The query returns the default stop wavelength for the laser model Response Syntax stop Response s stop Flo...

Page 132: ...ondition register associated with the operation status structure Reading the condition register is nondestructive Type Overlapping query only Syntax STATus OPERation CONDition Parameter s None Respons...

Page 133: ...condition register is nondestructive Type Overlapping query only Syntax STATus QUEStionable CONDition Parameter s None Response Syntax condition Response s condition Unique integer in the range 0 to 6...

Page 134: ...ted RST condition Syntax SYSTem DATE wsp year month day Parameter s year Four digit number corresponding to the year in the instrument s date month Number corresponding to the month in the instrument...

Page 135: ...ear in the instrument s date month Integer corresponding to the month in the instrument s date in the range 1to 12 1 corresponds to January 2 to February and so on day Integer corresponding to the day...

Page 136: ...instrument specific The zero value indicates that no error or event has occurred description Quoted string containing a description followed by an optional information text Each code has a unique and...

Page 137: ...ST TIME 16 58 41 See Also SYSTem DATE on page 128 SYSTem TIME on page 131 SYSTem TIME Description This query returns the current time from the instrument s internal clock This query has no associated...

Page 138: ...e s version Fixed point number corresponding to the year followed by the revision number of the SCPI standard to which the instrument complies The year represents the year version and the revision rep...

Page 139: ...tax TRIGger SEQuence SOURce wsp source Parameter s source Valid trigger event source The allowed values are BUS the source signal comes from the command TRG on page 78 EXTernal the source signal comes...

Page 140: ...ponse s source Selected trigger event source BUS the source signal is generated by the command TRG on page 78 EXTernal the source signal comes from the external signal jack via the Trig In port locate...

Page 141: ...unit see p 136 TEMPerature see p 137 UNIT POWer Description This command selects a default unit for commands that set absolute power At RST this value is set to DBM Syntax UNIT POWer wsp unit Paramet...

Page 142: ...to watt Example s UNIT POW DBM UNIT POW returns DBM See Also UNIT POWer on page 135 UNIT TEMPerature on page 137 UNIT TEMPerature Description This command selects a default unit for commands that set...

Page 143: ...this value is set to CEL Syntax UNIT TEMPerature Parameter s None Response Syntax unit Response s unit Default unit for commands that set temperature C CEL the temperature unit is set to Celsius F FAR...

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Page 145: ...ned in at least one of the homogeneous materials used for this part is above the limit requirement of GB T 26572 Due to the limitations in current technologies parts with the X mark cannot eliminate h...

Page 146: ...EXFO com info exfo com CORPORATE HEADQUARTERS 400 Godin Avenue Quebec Quebec G1M 2K2 CANADA Tel 1 418 683 0211 Fax 1 418 683 2170 TOLL FREE USA and Canada 1 800 663 3936 2022 EXFO Inc All rights reser...

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