GW Instek GSP-818 Series Programming Manual
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GW Instek GSP-818 Series Programming Manual

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Spectrum Analyzer
GSP-818 Series
PROGRAMMING MANUAL
GW INSTEK PART NO
ISO-9001 CERTIFIED MANUFACTURER

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Summary of Contents for GW Instek GSP-818 Series

  • Page 1 Spectrum Analyzer GSP-818 Series PROGRAMMING MANUAL GW INSTEK PART NO ISO-9001 CERTIFIED MANUFACTURER...
  • Page 2 This manual contains proprietary information which is protected by copyright. All rights are reserved. No part of this manual may be photocopied, reproduced or translated to another language without prior written consent of Good Will Corporation. The information in this manual was correct at the time of printing. However, Good Will continues to improve products and reserves the right to change specifications, equipment, and maintenance procedures at any time without notice.

  • Page 3: Table Of Contents

    Table of Contents Table of Contents SAFETY INSTRUCTIONS ..........4 GETTING STARTED ............8 Package Contents and Accessories........ 9 Front Panel Overview ..........10 Rear Panel ..............10 Front Panel Function Key ..........14 Parameter Input ............17 User Interface ............. 19 COMMAND OVERVIEW ..........

  • Page 4: Safety Instructions

    GSP-818, and when keeping it in storage. Read the following before operating the GSP-818 to ensure your safety and to keep the GSP-818 series in the best possible condition. Safety Symbols These safety symbols may appear in this manual or on the GSP-818.
  • Page 5 SAFETY INSTRUCTIONS Safety Guidelines Do not place any heavy object on the GSP-818. General  Guideline Avoid severe impact or rough handling that  leads to damaging the GSP-818. CAUTION Do not discharge static electricity to the GSP-  818. Do not block or obstruct the cooling fan vent ...
  • Page 6 GSP-818 Programming Manual Fuse type: T3.15A/250V Fuse  Make sure the correct type of fuse is installed  before power up. WARNING To avoid fire, only replace the fuse with the  specified type and rating. Disconnect the power cord before fuse ...
  • Page 7 SAFETY INSTRUCTIONS (Pollution Degree) EN 61010-1:2010 specifies the pollution degrees and their requirements as follows. THE GSP-818 falls under degree Pollution refers to “addition of foreign matter, solid, liquid, or gaseous (ionized gases), that may produce a reduction of dielectric strength or surface resistivity”.
  • Page 8 GSP-818 Programming Manual ETTING STARTED This chapter introduces the front / rear panel, the user interface and explains how to use the instrument with a measurement example demonstration. Package Contents and Accessories ....... 9 Front Panel Overview ..........10 Rear Panel ..............10 Front Panel Function Key ..........

  • Page 9: Getting Started

    GETTING STARTED Package Contents and Accessories The GSP-818 has a number of standard and optional accessories that can be ordered. For more information please visit the GW Instek website at www.gwinstek.com or consult your authorized distributor for details. Standard Description...

  • Page 10: Front Panel Overview

    GSP-818 Programming Manual Front Panel Overview 800x600 color LCD display. The display 1. LCD shows the soft keys for the current function, frequency, amplitude and marker information. The F1 to F7 function keys directly 2. Menu soft correspond to the soft keys on the right- keys hand side of display.
  • Page 11 GETTING STARTED tree in the File function 6. RF Input The RF input may be connected to a device via a N type connector. connector When input attenuator is higher than 10 dB, the RF port Note input signal must be less than +30 dBm. Input voltage at RF input port must not be higher than 50 V DC to avoid damage to the attenuator and input mixer tracking generator.

  • Page 12: Rear Panel

    GSP-818 Programming Manual Rear Panel 1. Handle Stow the handle for mobile use. 2 AC power AC: frequency 50Hz±10％, single-phase connector alternative 220V±15％ or 110V±15％ 3. Stool To adjust the angle of the device 4. VGA port provides a VGA signal output which is used through a VGA cable or with a projector 5.
  • Page 13 GETTING STARTED 8. Lock hole You can lock the spectrum analyzer to a fixed location using the security lock (please buy it yourself) to secure the spectrum analyzer.

  • Page 14: Front Panel Function Key

    GSP-818 Programming Manual Front Panel Function Key Basic keys Utility keys Control keys Marker measure measure Keys Description Basic keys Activates the center-frequency function, and accesses the frequency function menu. Activates the frequency sweep span function, and set Full Span\Zero Span\Last Span. Activates the reference level function, and accesses the amplitude softkeys, with which you set functions that affect data on the vertical axis.
  • Page 15 GETTING STARTED Control keys Activates the RBW (resolution bandwidth) function, and accesses the softkeys that control the bandwidth functions and averaging. Accesses the softkeys that allow you to store and manipulate trace information. Accesses the softkeys that allow you to configure detector functions.
  • Page 16 GSP-818 Programming Manual Advanced measure keys Accesses the softkeys that let you make transmitter power measurements such as ACPR(adjacent channel power), channel power, and OBW(occupied bandwidth), etc. Sets the parameters for the selected measurement function. Utility keys Sets the system parameters, and accesses the calibration menu.

  • Page 17: Parameter Input

    GETTING STARTED Parameter Input Specific parameter values are able to be entered using the numeric keypad, knob, and directional keys. Numeric Keypad Numbers 0-9 are available to be used. Numeric keys A decimal point "." will be inserted at the Decimal cursor position when this key is pressed.
  • Page 18 GSP-818 Programming Manual When pressed, the system will complete the Enter key input process and insert a default measurement unit for the parameter automatically. Unit keys include GHz/dBm/Sec, Unit keys MHz/dB/mSec, kHz/dBmV/μSec and Hz/mV/nSec. After entering the desired numbers, choose an appropriate unit to complete the input.

  • Page 19: User Interface

    GETTING STARTED User Interface 9 10 Marker measure measure No. Name Description Related Key Can choose → [Scale Type] Amplitude logarithmic or linear Division Type Display division scale → [Scale/Div] Amplitude Division Reference level Reference level → [Ref Level] Display detection type Detection type Display input →...
  • Page 20 GSP-818 Programming Manual Display current Marker activated marker Display system date → [Date/Time] Date/time and time Display frequency and 8.9. amplitude of current Marker readout marker Menu item of current 10. Menu item function Function of current 11. Menu title menu belongs to.

  • Page 21: Command Overview

    COMMAND OVERVIEW OMMAND OVERVIEW The Command overview chapter lists all the GSP- 818 commands and command queries .The command syntax section shows you the basic rules you have to apply when using commands. Command Syntax IEEE488.2, 1992 (fully compatible) Compatible ...
  • Page 22 GSP-818 Programming Manual Command forms Commands and queries have two different forms, long and short. The command syntax is written with the short form of the command in capitals and the remainder (long form) in lower case. Long FETCh:VOLTage? Short Short The commands can be written in capitals or lower- case, just so long as the short or long forms are...
  • Page 23 COMMAND OVERVIEW Parameter Type Description Example Boolean logic 0, 1 <Boolean> integers 0, 1, 2, 3 <NR1> decimal numbers 0.1, 3.14, 8.5 <NR2> floating point 4.5e-1, 8.25e+1 <NR3> any of NR1, 2, 3 1, 1.5, 4.5e-1 <NRf> NRf type 1, 1.5, 4.5e-1 <NRf+>...

  • Page 24: List Of Commands In Functional Order

    GSP-818 Programming Manual List of Commands in Functional Order Common *IDN? ................. 31 Commands *RST ................31 Calculate :CALCulate:BWIDth|BANDwidth:NDB...... 33 Commands :CALCulate:BWIDth|BANDwidth:RESult? ....33 :CALCulate:BWIDth|BANDwidth[:STATe] ....33 :CALCulate:MARKer:AOFF ........34 :CALCulate:MARKer<n>:CPEak[:STATe] ....34 :CALCulate:MARKer<n>:DELTa[:SET]:CENTer ..35 :CALCulate:MARKer<n>:DELTa[:SET]:SPAN .... 35 :CALCulate:MARKer<n>:FCOunt:RESolution ... 35 :CALCulate:MARKer<n>:FCOunt[:STATe] ....
  • Page 25 COMMAND OVERVIEW :CALCulate:MARKer<n>:X ......... 44 :CALCulate:MARKer<n>:Y? ........45 :CALCulate:NETMeasure:POWer ......45 :CALCulate:NTDate:NORMalize ....... 46 :CALCulate:TUNE:AUTO ........... 46 Calculate :CALibration[:ALL] ............47 Commands :CALibration:RESTore ..........47 Configure :CONFigure:ACPower ..........48 Commands :CONFigure:CHPower ..........48 :CONFigure:OBWidth ..........48 :CONFigure:SANalyzer ..........49 :CONFigure:SATime ..........49 Display :DISPlay:ANNotation:CLOCk:DATE:FORMat ...
  • Page 26 GSP-818 Programming Manual :HCOPy:SCReen ............59 :HCOPy:TRACe ............59 Initiate [:INITiate]:CONTinuous ..........60 Command MMemory :MMEMory:CATalog? ..........61 Commands :MMEMory:COPY:SCReen ........61 :MMEMory:COPY:TRACe .......... 62 :MMEMory:DELete:ALL ..........62 :MMEMory:DELete:SCReen ........62 :MMEMory:DELete:SCReen:ALL ....... 62 :MMEMory:DELete:TRACe ........62 :MMEMory:DELete:TRACe:ALL ......... 63 :MMEMory:DISK:INFormation .........
  • Page 27 COMMAND OVERVIEW [:SENSe]:BANDwidth:EMC:STATe ......72 [:SENSe]:DEMod:AM[:CARRier]:FREQuency .... 73 [:SENSe]:DEMod:AM:IFBW ........73 [:SENSe]:DEMod:AM:IFBW:AUTO ......73 [:SENSe]:DEMod:AM:STATe ........74 [:SENSe]:DEMod:FM[:CARRier]:FREQuency .... 74 [:SENSe]:DEMod:FM:IFBW ........75 [:SENSe]:DEMod:FM:IFBW:AUTO ......75 [:SENSe]:DEMod:FM:STATe ........76 [:SENSe]:DEMod:FREQuency ........76 [:SENSe]:DEMod:MODE ........... 76 [:SENSe]:DEMod:STATe ..........77 [:SENSe]:DETector[:FUNCtion] ......... 77 [:SENSe]:FREQuency:CENTer ........
  • Page 28 GSP-818 Programming Manual [:SENSe]:PASSFAIL:LINELimit:Upper:POINt<n>:X.. 84 [:SENSe]:PASSFAIL:LINELimit:Upper:POINt<n>:Y .. 85 [:SENSe]:PASSFAIL:LINELimit:UPPer:STATe ... 85 [:SENSe]:PASSFAIL:LINELimit:X:OFFSET ....86 [:SENSe]:PASSFAIL:LINELimit:Y:OFFSET....86 [:SENSe]:PASSFAIL:WINdow:AMPl:LOWer ....86 [:SENSe]:PASSFAIL:WINdow:AMPl:UPper ....87 [:SENSe]:PASSFAIL:WINdow:AMPt:STATe ....87 [:SENSe]:PASSFAIL:WINdow:FREQuency:END ..88 [:SENSe]:PASSFAIL:WINdow:FREQuency:STARt ..88 [:SENSe]:PASSFAIL:WINdow:FREQuency:STATe ..88 [:SENSe]:PASSFAIL:WINdow:MARk<n> :STATe? ..89 [:SENSe]:PASSFAIL:WINdow:STATe ......89 [:SENSe]:PASSFAIL:WINdow:SWEEP:STATe ....
  • Page 29 COMMAND OVERVIEW Trace Commands :TRACe[:DATA]? ............100 Trigger :TRIGger:SEQuence:SOURce ........102 Commands :TRIGger:SEQuence:SOURce:VIDeo:POWer ..102 UDisk :UDISk:STORe:SCReen ..........103 Commands :UDISk:STORe:TRACe ..........103 Unit Command :UNIT:POWer ............104...

  • Page 30: Command Details

    GSP-818 Programming Manual OMMAND DETAILS The Command details chapter shows the detailed syntax, equivalent panel operation, and example for each command. For the list of all commands, see page 24. Common commands ........... 31 Calculate Commands ..........32 Calibration Commands ..........47 Configure Commands ..........

  • Page 31: Common Commands

    COMMAND DETAILS Common commands *IDN? ................31 *RST ................31 *IDN? Query Queries the manufacturer, model number, serial Description number and firmware version of the instrument. Query Syntax *IDN? <String> Returns the instrument identification as a Comment string in the following format: GWINSTEK, GSP-818, GSPXXXXXX, VX.X.X Manufacturer: GWINSTEK...

  • Page 32: Calculate Commands

    GSP-818 Programming Manual Calculate Commands :CALCulate:BWIDth|BANDwidth:NDB ..... 33 :CALCulate:BWIDth|BANDwidth:RESult? ....33 :CALCulate:BWIDth|BANDwidth[:STATe] ....33 :CALCulate:MARKer:AOFF ........34 :CALCulate:MARKer<n>:CPEak[:STATe] ....34 :CALCulate:MARKer<n>:DELTa[:SET]:CENTer ..35 :CALCulate:MARKer<n>:DELTa[:SET]:SPAN .... 35 :CALCulate:MARKer<n>:FCOunt:RESolution ... 35 :CALCulate:MARKer<n>:FCOunt[:STATe] ....36 :CALCulate:MARKer<n>:FCOunt:X? ......36 :CALCulate:MARKer:FUNCtion:AOFF ...... 37 :CALCulate:MARKer<n>:MAXimum ......37 :CALCulate:MARKer<n>:MAXimum:LEFT ....
  • Page 33 COMMAND DETAILS :CALCulate:NTDate:NORMalize ........46 :CALCulate:TUNE:AUTO ..........46 :CALCulate:BWIDth|BANDwidth:NDB Query Sets the power level, below the peak of the signal, Description at which the signal bandwidth will be measured by the markers. :CALCulate:BWIDth|BANDwidth[:STATe] must be Syntax :CALCulate:BWIDth|BANDwidth:NDB <rel_ampl> Query Syntax :CALCulate:BWIDth|BANDwidth:NDB? <rel_ampl> <NR2>1dB to 60dB Parameter Return parameter <NR3>...
  • Page 34 GSP-818 Programming Manual Syntax :CALCulate:BWIDth|BANDwidth[:STATe] {OFF|ON|0|1} Query Syntax :CALCulate:BWIDth|BANDwidth[:STATe]? Turns NdB BW off. Parameter Turns NdB BW on. Turns NdB BW off. Turns NdB BW on. NdB BW is off. Return parameter 0 NdB BW is on. Example :CALC:BAND ON :CALCulate:MARKer:AOFF Turns all the markers off.
  • Page 35 COMMAND DETAILS Continuous peaking is off. Return parameter 0 Continuous peaking is on. Example :CALC:MARK1:CPE ON :CALCulate:MARKer<n>:DELTa[:SET]:CENTer Changes the center frequency of the analyzer to Description the frequency difference between the two markers. This command is not available if the delta marker is off.
  • Page 36 GSP-818 Programming Manual function. The selected marker counter will disable the previously selected marker counter. Frequency resolution in Hz. Only <freq> 1000, 100, 10, 1 Hz are meaningful. Frequency resolution in Hz Return parameter <freq> Example :CALC:MARK1:FCO:RES 1 :CALCulate:MARKer<n>:FCOunt[:STATe] Query Sets or queries the state of the marker frequency Description counter function.
  • Page 37 COMMAND DETAILS Example :CALC:MARK1:FCO:X? >230580000 :CALCulate:MARKer:FUNCtion:AOFF Turns off the opened noise markers or NdB BW Description measurements, but not the markers themselves. Syntax :CALCulate:MARKer:FUNCtion:AOFF Example :CALC:MARK:FUNC:AOFF :CALCulate:MARKer<n>:MAXimum Performs peak search and places a marker on the Description highest peak. Syntax :CALCulate:MARKer<n>:MAXimum <NR1>...
  • Page 38 GSP-818 Programming Manual Example :CALC:MARK1:MAX:NEXT...
  • Page 39 COMMAND DETAILS :CALCulate:MARKer<n>:MAXimum:RIGHt Places the selected marker on the next highest Description signal peak to the right of the current marked peak. Syntax :CALCulate:MARKer<n>:MAXimum:RIGHt <NR1> Marker number 1 to 5 Parameter <n> Example :CALC:MARK1:MAX:RIGH :CALCulate:MARKer<n>:MINimum Places the selected marker on the lowest point on Description the trace that is assigned to that particular marker number.
  • Page 40 GSP-818 Programming Manual :CALCulate:MARKer<n>:PHNoise[:STATe] Query Sets or queries the state of the Marker Noise Description function for the specified marker. This function measures the average noise level at the marked point and then normalize this value to 1 Hz bandwidth. Syntax :CALCulate:MARKer<n>:PHNoise[:STATe] {OFF|ON|0|1}...
  • Page 41 COMMAND DETAILS :CALCulate:MARKer<n>[:SET]:CENTer Sets the center frequency equal to the specified Description marker frequency, which moves the marker to the center of the screen. In delta marker mode, the center frequency is set to the delta marker frequency. This command is not available in zero span.
  • Page 42 GSP-818 Programming Manual :CALCulate:MARKer<n>[:SET]:STEP Sets the center frequency step size equal to the Description specified marker frequency. In delta marker mode, the center frequency step size is set to the delta marker frequency. This command is not available in zero span. Syntax :CALCulate:MARKer<n>[:SET]:STEP <NR1>...
  • Page 43 COMMAND DETAILS The selected marker is off. Return parameter 0 The selected marker is on. Example :CALC:MARK1:STAT ON :CALCulate:MARKer:TABLe:STATe Query Sets or queries the state of the marker table. Description Syntax :CALCulate:MARKer:TABLe:STATe {OFF|ON|0|1} Query Syntax :CALCulate:MARKer:TABLe:STATe? Turns the table off. Parameter Turns the table on.
  • Page 44 GSP-818 Programming Manual :CALCulate:MARKer<n>:DELTa:X? Query Returns the reference marker position of delta Description marker. Query Syntax :CALCulate:MARKer<n>:DELTa:X? <NR1> Marker number 1 to 5 Parameter/Return <n> parameter Frequency in Hz. <freq> Example :CALC:MARK3:DELT:X? >300000000Hz :CALCulate:MARKer<n>:DELTa:Y? Query Returns the reference marker's vertical position of Description delta marker.
  • Page 45 COMMAND DETAILS Frequency in Hz. Return parameter <freq> If the specified marker is not active, returns ERR. Example :CALC:MARK2:X 300MHz Query Example :CALC:MARK2:X? >300000000Hz :CALCulate:MARKer<n>:Y? Query Returns the marker’s vertical position. Description Query Syntax :CALCulate:MARKer<n>:Y? <NR1> Marker number 1 to 5 Return parameter <n>...
  • Page 46 GSP-818 Programming Manual :CALCulate:NTDate:NORMalize Query Turns the tracking generator normalization Description on/off or queries its state. Syntax :CALCulate:NTDate:NORMalize {OFF|ON|0|1} Query Syntax :CALCulate:NTDate:NORMalize? Turns the normalization off. Parameter Turns the normalization on. Turns the normalization off. Turns the normalization on. The normalization is off. Return parameter 0 The normalization is on.

  • Page 47: Calibration Commands

    COMMAND DETAILS Calibration Commands :CALibration[:ALL] ............47 :CALibration:RESTore ..........47 :CALibration[:ALL] Query After connecting the calibration signal to front Description panel RF Input connector, execute :CAL to perform the calibration. Syntax :CALibration[:ALL] Query Syntax :CALibration[:ALL]? The calibration is successful. Return parameter 1 Example :CAL :CALibration:RESTore...

  • Page 48: Configure Commands

    GSP-818 Programming Manual Configure Commands :CONFigure:ACPower ..........48 :CONFigure:CHPower ..........48 :CONFigure:OBWidth ..........48 :CONFigure:SANalyzer ..........49 :CONFigure:SATime ..........49 :CONFigure:ACPower This command places the analyzer in Adjacent Description Channel Power measurement state. Syntax :CONFigure:ACPower Example :CONF:ACP :CONFigure:CHPower This command places the analyzer in Channel Description Power measurement state.
  • Page 49 COMMAND DETAILS :CONFigure:SANalyzer Directly exit the currently running measurement Description function. Syntax :CONFigure:SANalyzer Example :CONF:SAN :CONFigure:SATime Turns on or off time spectrum measure mode Description Syntax :CONFigure:SATime Example :CONF:SAT...

  • Page 50: Display Commands

    GSP-818 Programming Manual Display Commands :DISPlay:ANNotation:CLOCk:DATE:FORMat ... 50 :DISPlay:ANNotation:CLOCk[:STATe] ...... 51 :DISPlay:FORMat:ZOOM .......... 51 :DISPlay:MENU:STATe ..........52 :DISPlay:WINdow:GRID ..........52 :DISPlay:WINdow:LABEl..........53 :DISPlay:WINdow:TRACe:X[:SCALe]:OFFSet .... 53 :DISPlay:WINdow:TRACe:Y:DLINe ......53 :DISPlay:WINdow:TRACe:Y:DLINe:STATe....54 :DISPlay:WINdow:TRACe:Y[:SCALe]:GAUge..... 54 :DISPlay:WINdow:TRACe:Y[:SCALe]:PDIVision ..55 :DISPlay:WINdow:TRACe:Y[:SCALe]:RLEVel ..... 55 :DISPlay:WINdow:TRACe:Y[:SCALe]:RLEVel :OFFSet ..............56 :DISPlay:WINdow:TRACe:Y[:SCALe]:SPACing ..

  • Page 51: Display:annotation:clock[:State]

    COMMAND DETAILS :DISPlay:ANNotation:CLOCk[:STATe] Query Turns the on-screen date&time display on/off or Description queries its state. Syntax :DISPlay:ANNotation:CLOCk[:STATe] {OFF|ON|0|1} Query Syntax :DISPlay:ANNotation:CLOCk[:STATe]? Turns the date & time display off. Parameter Turns the date & time display on. Turns the date & time display off. Turns the date &...

  • Page 52: Display:menu:state

    GSP-818 Programming Manual :DISPlay:MENU:STATe Query Turns the full screen display mode on/off or Description queries its state. Syntax :DISPlay:MENU:STATe {OFF|ON|0|1} Query Syntax :DISPlay:MENU:STATe? Turns the full screen display mode off. Parameter Turns the full screen display mode on. Turns the full screen display mode off. Turns the full screen display mode on.

  • Page 53: Display:window:label

    COMMAND DETAILS :DISPlay:WINdow:LABEl Query Turns the on-screen label on/off or queries its Description state. Syntax :DISPlay:WINdow:LABEl {OFF|ON|0|1} Query Syntax :DISPlay:WINdow:LABEl? Turns the label off. Parameter Turns the label on. Turns the label off. Turns the label on. The label is off. Return parameter 0 The label is on.

  • Page 54: Display:window:trace:y:dline:state

    GSP-818 Programming Manual Y-axis unit. Frequency in Hz. Return parameter <NR1> Example :DISP:WIN:TRAC:Y:DLIN -5.0e+1 :DISPlay:WINdow:TRACe:Y:DLINe:STATe Query Turns the display line on/off or queries its state. Description Syntax :DISPlay:WINdow:TRACe:Y:DLINe:STATe {OFF|ON|0|1} Query Syntax :DISPlay:WINdow:TRACe:Y:DLINe:STATe? Turns the display line off. Parameter Turns the display line on. Turns the display line off.

  • Page 55: Display:window:trace:y[:Scale]:Pdivision

    COMMAND DETAILS Example :DISP:WIN:TRAC:Y:GAU ON :DISPlay:WINdow:TRACe:Y[:SCALe]:PDIVision Query Sets or queries the Y-axis scale/div when the Description amplitude scale is logarithmic. Syntax :DISPlay:WINdow:TRACe:Y[:SCALe]:PDIVision {1|2|5|10} Query Syntax :DISPlay:WINdow:TRACe:Y[:SCALe]:PDIVision? 1 dB Parameter/ 2 dB Return parameter 5 dB 10 dB Example :DISP:WIN:TRAC:Y:PDIV ON :DISPlay:WINdow:TRACe:Y[:SCALe]:RLEVel Query Sets or queries the Y-axis reference level.

  • Page 56: Display:window:trace:y[:Scale]:Rlevel :Offset

    GSP-818 Programming Manual :DISPlay:WINdow:TRACe:Y[:SCALe]:RLEVel :OFFSet Query Sets or queries the Y-axis reference level offset. Description Syntax :DISPlay:WINdow:TRACe:Y[:SCALe]:RLEVel:OFFSet <rel_ampl> Query Syntax :DISPlay:WINdow:TRACe:Y[:SCALe]:RLEVel:OFFSet? <rel_ampl> <NRf>dB Parameter Return parameter <NR3> Example :DISP:WIN:TRAC:Y:RLEV:OFFS -5.0e+1 dB :DISPlay:WINdow:TRACe:Y[:SCALe]:SPACing Query Sets or queries the type of scale: logarithmic or Description linear.

  • Page 57: Hcopy Commands

    COMMAND DETAILS Hcopy Commands :HCOPy:IMAGe:COLor[:STATe] .........57 :HCOPy:IMAGe:TYPe ..........57 :HCOPy:PAGE:ORIentation ........58 :HCOPy:PAGE:PRINts ..........58 :HCOPy:PAGE:SIZE ............58 :HCOPy:SCReen ............59 :HCOPy:TRACe ............59 :HCOPy:IMAGe:COLor[:STATe] Query Turns the color printing on/off or queries its Description state. Syntax :HCOPy:IMAGe:COLor[:STATe] {OFF|ON|0|1} Query Syntax :HCOPy:IMAGe:COLor[:STATe]? Turns the color printing off. Parameter Turns the color printing on.

  • Page 58: Hcopy:page:orientation

    GSP-818 Programming Manual Return parameter ESC Set the language to ESC. Example :HCOPy:IMAG:TYP PCL :HCOPy:PAGE:ORIentation Query Sets or queries the page orientation for printing. Description Syntax :HCOPy:PAGE:ORIentation {LANDscape|PORTrait} Query Syntax :HCOPy:PAGE:ORIentation? LANDscape Set the page orientation to Parameter/ landscape. Return parameter Set the page orientation to portrait.

  • Page 59: Hcopy:screen

    COMMAND DETAILS Set the page size to A4. Parameter/ DEFault|A4 Set the page size to A3. Return parameter Set the page size to B5. Set the page size to C5. Set the page size to LETTer. LETTer Example :HCOPy:PAGE:SIZE A4 :HCOPy:SCReen Print the screen.

  • Page 60: Initiate Command

    GSP-818 Programming Manual Initiate Command [:INITiate]:CONTinuous ..........60 [:INITiate]:CONTinuous Query Sets the sweep mode to continuous or single mode Description or queries its state. Syntax [:INITiate]:CONTinuous {OFF|ON|0|1} Query Syntax [:INITiate]:CONTinuous? Sets the sweep mode to single. Parameter Sets the sweep mode to continuous. Sets the sweep mode to single.

  • Page 61: Mmemory Commands

    COMMAND DETAILS MMEMory Commands :MMEMory:CATalog? ..........61 :MMEMory:COPY:SCReen .........61 :MMEMory:COPY:TRACe ...........62 :MMEMory:DELete:ALL ..........62 :MMEMory:DELete:SCReen ........62 :MMEMory:DELete:SCReen:ALL ........62 :MMEMory:DELete:TRACe .........62 :MMEMory:DELete:TRACe:ALL........63 :MMEMory:DISK:INFormation ........63 :MMEMory:LOAD:SCReen .........63 :MMEMory:LOAD:TRACe...........63 :MMEMory:STORe:QUICK:SAVE .......64 :MMEMory:STORe:SCReen ........64 :MMEMory:STORe:STATe ..........64 :MMEMory:STORe:TRACe .........64 :MMEMory:CATalog? Query Returns a list of all the files that have been saved Description to the local memory.

  • Page 62: Mmemory:copy:trace

    GSP-818 Programming Manual Example :MMEM:COPY:SCR 20171107_145956.png :MMEMory:COPY:TRACe Exports the trace file to PC software. Description Syntax :MMEMory:COPY:TRACe <file_name> <file_name XXX.csv Parameter Example :MMEM:COPY:TRAC 20171010_155852.csv :MMEMory:DELete:ALL Deletes all files. Description Syntax :MMEMory:DELete:ALL Example :MMEM:DEL:ALL :MMEMory:DELete:SCReen Deletes the selected screen file from the current Description directory.

  • Page 63: Mmemory:delete:trace:all

    COMMAND DETAILS Syntax :MMEMory:DELete:TRACe <file_name> <file_name XXX.cvs Parameter Example :MMEM:DEL:TRAC 20171010_155852.csv :MMEMory:DELete:TRACe:ALL Deletes all trace files. Description Syntax :MMEMory:DELete:TRACe:ALL Example :MMEM:DEL:TRAC:ALL :MMEMory:DISK:INFormation Query Returns the information of USB storage device. Description Query Syntax :MMEMory:DISK:INFormation? Example :MMEM:DISK:INF? :MMEMory:LOAD:SCReen Loads screen data from a file to the internal Description memory.

  • Page 64: Mmemory:store:quick:save

    GSP-818 Programming Manual :MMEMory:STORe:QUICK:SAVE Quick save the screenshot. When a USB flash Description drive is inserted, the image is saved into the USB flash drive, otherwise saved into the internal memory. Syntax :MMEMory:STORe:QUICK:SAVE Example :MMEM:STOR:QUICK:SAVE :MMEMory:STORe:SCReen Saves the current screen-shot to the internal Description memory.

  • Page 65: Output Subsystem

    COMMAND DETAILS Output Subsystem :OUTPut:TRACk[:STATe] ..........65 :OUTPut:TRACk[:STATe] Query Turns the tracking generator output on/off or Description queries its state. Syntax :OUTPut:TRACk[:STATe] {OFF|ON|0|1} Query Syntax :OUTPut:TRACk[:STATe]? Turns TG output off. Parameter Turns TG output on. Turns TG output off. Turns TG output on. TG output is off.

  • Page 66: Sense Commands

    GSP-818 Programming Manual Sense Commands [:SENSe]:ACPower:BANDwidth:ACHannel:COUNt . 68 [:SENSe]:ACPower:BANDwidth:INTegration .... 68 [:SENSe]:ACPower:CSPacing ........68 [:SENSe]:AVERage:COUNt ........69 [:SENSe]:AVERage[:STATe] ........69 [:SENSe]:BANDwidth|BWIDth[:RESolution] ..... 69 [:SENSe]:BANDwidth|BWIDth[:RESolution]:AUTO .. 70 [:SENSe]:BANDwidth|BWIDth[:RESolution]:STEP :MODE ............... 70 [:SENSe]:BANDwidth|BWIDth:VIDeo ....... 71 [:SENSe]:BANDwidth|BWIDth:VIDeo:AUTO .... 71 [:SENSe]:BANDwidth:EMC ........72 [:SENSe]:BANDwidth:EMC:STATe ......72 [:SENSe]:DEMod:AM[:CARRier]:FREQuency ....
  • Page 67 COMMAND DETAILS [:SENSe]:FREQuency:SPAN:ZERO ......80 [:SENSe]:FREQuency:STARt ........80 [:SENSe]:FREQuency:STOP ........81 [:SENSe]:OBWidth:PERCent ........81 [:SENSe]:PASSFAIL:LINELimit:LOWer:CLEar ....81 [:SENSe]:PASSFAIL:LINELimit:LOWer:POINt<n> :DELete ................81 [:SENSe]:PASSFAIL:LINELimit:LOWer:POINt<n>:X .82 [:SENSe]:PASSFAIL:LINELimit:LOWer:POINt<n>:Y .82 [:SENSe]:PASSFAIL:LINELimit:LOWer:STATe ...83 [:SENSe]:PASSFAIL:LINELimit:MARk<n>:STATe? ..83 [:SENSe]:PASSFAIL:LINELimit:STATe .......83 [:SENSe]:PASSFAIL:LINELimit:UPper:CLEar .....84 [:SENSe]:PASSFAIL:LINELimit:Upper:POINt<n> :DELete ................84 [:SENSe]:PASSFAIL:LINELimit:Upper :POINt<n>:X .84 [:SENSe]:PASSFAIL:LINELimit:Upper :POINt<n>:Y .85 [:SENSe]:PASSFAIL:LINELimit:UPPer:STATe ....85 [:SENSe]:PASSFAIL:LINELimit:X:OFFSET ....86 [:SENSe]:PASSFAIL:LINELimit:Y:OFFSET ....86 [:SENSe]:PASSFAIL:WINdow:AMPl:LOWer ....86 [:SENSe]:PASSFAIL:WINdow:AMPl:UPper ....87...

  • Page 68: [:Sense]:Acpower:bandwidth:achannel:count

    GSP-818 Programming Manual [:SENSe]:ACPower:BANDwidth:ACHannel:COUNt Query Sets or queries the number of upper and lower Description adjacent channels measured by adjacent channel power. Syntax [:SENSe]:ACPower:BANDwidth:ACHannel:COUNt <integer> Query Syntax [:SENSe]:ACPower:BANDwidth:ACHannel:COUNt? <integer> <NR1> Adjacent channels number Parameter/ Return parameter Example :ACP:BAND:ACH:COUN 1 [:SENSe]:ACPower:BANDwidth:INTegration Query Sets or queries the range of integration used in Description...

  • Page 69: [:Sense]:Average:count

    COMMAND DETAILS Example :ACP:CSP 1.0e+8 [:SENSe]:AVERage:COUNt Query Sets or queries the number of traces that are used Description with the average function. Syntax [:SENSe]:AVERage:COUNt <integer> Query Syntax [:SENSe]:AVERage:COUNt? <NR1> Parameter/ <integer> Return parameter Example :AVER:COUN 20 [:SENSe]:AVERage[:STATe] Query Turns the Average function on/off or queries its Description state.

  • Page 70: [:Sense]:Bandwidth|Bwidth[:Resolution]:Auto

    GSP-818 Programming Manual <NRf> Parameter <freq> Return parameter <NR3> Example :BAND 1.0e+6 [:SENSe]:BANDwidth|BWIDth[:RESolution]:AUTO Query Sets the RBW to auto (on) or manual (off) or Description queries its state. Syntax [:SENSe]: BANDwidth|BWIDth[:RESolution]:AUTO {OFF|ON|0|1} Query Syntax [:SENSe]: BANDwidth|BWIDth[:RESolution]:AUTO? Sets RBW to manual (off). Parameter Sets RBW to automatic (on).

  • Page 71: [:Sense]:Bandwidth|Bwidth:video

    COMMAND DETAILS Sets the resolution bandwidth step Parameter to default mode (step at 1,3,5). Sets the resolution bandwidth step to continuous mode. Sets the resolution bandwidth step DEFault to default mode (step at 1,3,5). Sets the resolution bandwidth step CONTinuous to continuous mode.

  • Page 72: [:Sense]:Bandwidth:emc

    GSP-818 Programming Manual Sets VBW to manual (off). Sets VBW to automatic (on). VBW is set to manual (off). Return parameter 0 VBW is set to automatic (on). Example :BAND:VID:AUTO OFF [:SENSe]:BANDwidth:EMC Query Sets the EMI filter bandwidth (must be set to the Description exact bandwidth).

  • Page 73: [:Sense]:Demod:am[:Carrier]:Frequency

    COMMAND DETAILS [:SENSe]:DEMod:AM[:CARRier]:FREQuency Query Sets or queries the carrier frequency for AM Description demodulation. Syntax [:SENSe]:DEMod:AM[:CARRier]:FREQuency <freq> Query Syntax [:SENSe]:DEMod:AM[:CARRier]:FREQuency? <NRf> Parameter <freq> Return parameter <NR3> Example :DEM:AM:FREQ 10 mhz [:SENSe]:DEMod:AM:IFBW Query Sets or queries the IF bandwidth for AM Description demodulation.

  • Page 74: [:Sense]:Demod:am:state

    GSP-818 Programming Manual Set IF bandwidth for AM Parameter demodulation to Manual. Set IF bandwidth for AM demodulation to Auto. Set IF bandwidth for AM demodulation to Manual. Set IF bandwidth for AM demodulation to Auto. IF bandwidth for AM demodulation is Return parameter 0 Manual.

  • Page 75: [:Sense]:Demod:fm:ifbw

    COMMAND DETAILS <NRf> Parameter <freq> Return parameter <NR3> Example :DEM:FM:FREQ 10 mhz [:SENSe]:DEMod:FM:IFBW Query Sets or queries the IF bandwidth for FM Description demodulation. Syntax [:SENSe]:DEMod:FM:IFBW <freq> Query Syntax [:SENSe]:DEMod:FM:IFBW? <NRf> Parameter <freq> Return parameter <NR3> Example :DEM:FM:IFBW 3.0e+5 [:SENSe]:DEMod:FM:IFBW:AUTO Query Sets or queries the state of auto IF bandwidth for Description...

  • Page 76: [:Sense]:Demod:fm:state

    GSP-818 Programming Manual Example :DEM:FM:IFBW:AUTO 1 [:SENSe]:DEMod:FM:STATe Query Sets or queries the state of FM demodulation. Description Syntax [:SENSe]:DEMod:FM:STATe {OFF|ON|0|1} Query Syntax [:SENSe]:DEMod:FM:STATe? Turns FM demodulation off. Parameter Turns FM demodulation on. Turns FM demodulation off. Turns FM demodulation on. FM demodulation is off.

  • Page 77: [:Sense]:Demod:state

    COMMAND DETAILS Syntax [:SENSe]:DEMod:MODE {FMW|FM|AM|USB|LSB} Query Syntax [:SENSe]:DEMod:MODE? FMWdemodulation Parameter/ FM demodulation Return parameter AM demodulation USBdemodulation LSB demodulation Example :DEM:MODE AM [:SENSe]:DEMod:STATe Query Turns the audio demodulation on/off or queries Description its state. Syntax [:SENSe]:DEMod:STATe {OFF|ON|0|1} Query Syntax [:SENSe]:DEMod:STATe? Turns the audio demodulation off.

  • Page 78: [:Sense]:Frequency:center

    GSP-818 Programming Manual Sets the detector mode to Peak-. NEGative Sets the detector mode to Sample. SAMPle Example :DET NORM [:SENSe]:FREQuency:CENTer Query Sets or queries the center frequency. Description Syntax [:SENSe]:FREQuency:CENTer <freq> Query Syntax [:SENSe]:FREQuency:CENTer? <NRf> Parameter <freq> Return parameter <NR3> Example :FREQ:CENT 1.0e+9 [:SENSe]:FREQuency:CENTer:STEP:AUTO...

  • Page 79: [:Sense]:Frequency:center:step[:Increment]

    COMMAND DETAILS [:SENSe]:FREQuency:CENTer:STEP[ :INCRement] Query Sets or queries the center frequency step Description frequency. Syntax [:SENSe]:FREQuency:CENTer:STEP[:INCRement] <freq> Query Syntax [:SENSe]:FREQuency:CENTer:STEP[:INCRement]? <NRf> Parameter <freq> Return parameter <NR3> Example :FREQ:CENT:STEP 1000 [:SENSe]:FREQuency:REFerence Query Sets or queries the frequency reference to internal Description or external.

  • Page 80: [:Sense]:Frequency:span:full

    GSP-818 Programming Manual Example :FREQ:SPAN 1.0e+9 [:SENSe]:FREQuency:SPAN:FULL Sets the frequency span to full scale. Description Syntax [:SENSe]:FREQuency:SPAN:FULL Example :FREQ:SPAN:FULL [:SENSe]:FREQuency:SPAN:PREVious Sets the frequency span to the previous span Description setting. Syntax [:SENSe]:FREQuency:SPAN:PREVious Example :FREQ:SPAN:PREV [:SENSe]:FREQuency:SPAN:ZERO Sets the frequency span to zero span. Description Syntax [:SENSe]:FREQuency:SPAN:ZERO...

  • Page 81: [:Sense]:Frequency:stop

    COMMAND DETAILS [:SENSe]:FREQuency:STOP Query Sets or queries the stop frequency. Description Syntax [:SENSe]:FREQuency:STOP <freq> Query Syntax [:SENSe]:FREQuency:STOP? <NRf> Parameter <freq> Return parameter <NR3> Example :FREQ:STOP 1.0e+6 [:SENSe]:OBWidth:PERCent Query Sets or queries the percentage of signal power Description used when determining the occupied bandwidth (OBW).

  • Page 82: [:Sense]:Passfail:linelimit:lower:point:X

    GSP-818 Programming Manual Syntax [:SENSe]:PASSFAIL:LINELimit:LOWer:POINt<n>:DE Lete <NR1> Point number Parameter <n> Example :PASSFAIL:LINEL:LOW:POIN1:DEL [:SENSe]:PASSFAIL:LINELimit:LOWer :POINt<n>:X Query Sets or queries the frequency limit of the Description specified point in the lower limit line. Syntax [:SENSe]:PASSFAIL:LINELimit:LOWer:POINt<n>:X <freq> Query Syntax [:SENSe]:PASSFAIL:LINELimit:LOWer:POINt<n>:X? <NR1> Point number Parameter <n>...

  • Page 83: [:Sense]:Passfail:linelimit:lower:state

    COMMAND DETAILS [:SENSe]:PASSFAIL:LINELimit:LOWer:STATe Query Turns the lower limit line on/off or queries its Description state. Syntax [:SENSe]:PASSFAIL:LINELimit:LOWer:STATe {OFF|ON|0|1} Query Syntax [:SENSe]:PASSFAIL:LINELimit:LOWer:STATe? Turns the lower limit line off. Parameter Turns the lower limit line on. Turns the lower limit line off. Turns the lower limit line on.

  • Page 84: [:Sense]:Passfail:linelimit:upper:clear

    GSP-818 Programming Manual Syntax [:SENSe]:PASSFAIL:LINELimit:STATe {OFF|ON|0|1} Query Syntax [:SENSe]:PASSFAIL:LINELimitSTATe? Turns limit line testing off. Parameter Turns limit line testing on. Turns limit line testing off. Turns limit line testing on. Limit line testing is off. Return parameter 0 Limit line testing is on. Example :PASSFAIL:LINEL:STAT 1 [:SENSe]:PASSFAIL:LINELimit:UPper:CLEar...

  • Page 85: [:Sense]:Passfail:linelimit:upper :Point:Y

    COMMAND DETAILS <freq> Query Syntax [:SENSe]:PASSFAIL:LINELimit:UPper:POINt<n>:X? <NR1> Point number Parameter <n> <NRf> Frequency in Hz. <freq> Return parameter <NR3> Example :PASSFAIL:LINEL:UP:POIN1:X 9e+8 [:SENSe]:PASSFAIL:LINELimit:Upper :POINt<n>:Y Query Sets or queries the amplitude limit of the Description specified point in the upper limit line. Syntax [:SENSe]:PASSFAIL:LINELimit:UPper:POINt<n>:Y <ampl>...

  • Page 86: [:Sense]:Passfail:linelimit:x:offset

    GSP-818 Programming Manual The upper limit line is off. Return parameter 0 The upper limit line is on. Example :PASSFAIL:LINEL:UPP:STAT 1 [:SENSe]:PASSFAIL:LINELimit:X:OFFSET Query Sets or queries the frequency offset (Shift X) of Description the upper and lower limit line. Syntax [:SENSe]:PASSFAIL:LINELimit:X:OFFSET <freq>...

  • Page 87: [:Sense]:Passfail:window:ampl:upper

    COMMAND DETAILS Amplitude in dBm Parameter <ampl> Return parameter <NR3> Example :PASSFAIL:WIN:AMPl:LOW -20 [:SENSe]:PASSFAIL:WINdow:AMPl:UPper Query Sets or queries the upper amplitude of amplitude Description line in window testing. Syntax [:SENSe]:PASSFAIL:WINdow:AMPl:UPper <ampl> Query Syntax [:SENSe]:PASSFAIL:WINdow:AMPl:UPper? Amplitude in dBm Parameter <ampl> Return parameter <NR3> Example :PASSFAIL:WIN:AMPl:UP -10 [:SENSe]:PASSFAIL:WINdow:AMPt:STATe...

  • Page 88: [:Sense]:Passfail:window:frequency:end

    GSP-818 Programming Manual [:SENSe]:PASSFAIL:WINdow:FREQuency:END Query Sets or queries the stop frequency of frequency Description line in window testing. Syntax [:SENSe]:PASSFAIL:WINdow:FREQuency:END<freq> Query Syntax [:SENSe]:PASSFAIL:WINdow:FREQuency:END? <NRf> Frequency in Hz. Parameter <freq> Return parameter <NR3> Example :PASSFAIL:WIN:FREQ:END 8e+8 [:SENSe]:PASSFAIL:WINdow:FREQuency:STARt Query Sets or queries the start frequency of frequency Description line in window testing.

  • Page 89: [:Sense]:Passfail:window:mark :State

    COMMAND DETAILS Turns the frequency line off. Turns the frequency line on. The frequency line is off. Return parameter 0 The frequency line is on. Example :PASSFAIL:WIN:FREQ:STAT 1 [:SENSe]:PASSFAIL:WINdow:MARk<n> :STATe? Query Returns the Pass/Fail judgment of window Description testing. Query Syntax [:SENSe]:PASSFAIL:WINdow:MARk<n>:STATe? <NR1>...

  • Page 90: [:Sense]:Passfail:window:sweep:state

    GSP-818 Programming Manual [:SENSe]:PASSFAIL:WINdow:SWEEP:STATe Query Turns window sweep on/off or queries its state. Description When the window sweep is on, only the window formed by the intersection of the amplitude line and the frequency line is swept, the peripheral stops sweeping; the full frequency is swept when it is off.

  • Page 91: [:Sense]:Power[:Rf]:Attenuation:auto

    COMMAND DETAILS [:SENSe]:POWer[:RF]:ATTenuation:AUTO Query Sets or queries whether the automatic input Description attenuation is on/off. Syntax [:SENSe]:POWer[:RF]:ATTenuation:AUTO {OFF|ON|0|1} Query Syntax [:SENSe]:POWer[:RF]:ATTenuation:AUTO? Turns automatic input attenuation off. Parameter Turns automatic input attenuation on. Turns automatic input attenuation off. Turns automatic input attenuation on. Automatic input attenuation is off.

  • Page 92: [:Sense]:Sweep:points

    GSP-818 Programming Manual [:SENSe]:SWEep:POINts Query Sets or queries the sweep points. Description Syntax [:SENSe]:SWEep:POINts <number> Query Syntax [:SENSe]:SWEep:POINts? <number> <NR1> Parameter Return parameter <NR1> Example :SWEep:POIN 100 [:SENSe]:SWEep:TIME Query Sets or queries the sweep time. Description Syntax [:SENSe]:SWEep:TIME <time> Query Syntax [:SENSe]:SWEep:TIME? Sweep time in s, ms, us, ns.
  • Page 93 COMMAND DETAILS Sweep time is set to manual. Return parameter 0 Sweep time is set to automatic. Example :SWE:TIME:AUTO 0...

  • Page 94: Source Command

    GSP-818 Programming Manual Source Command :SOURce:POWer:TRACk[:POWer] ......94 :SOURce:POWer:TRACk[:POWer] Query Sets or queries the tracking generator output Description power level. Syntax :SOURce:POWer:TRACk[:POWer] <ampl> Query Syntax :SOURce:POWer:TRACk[:POWer]? <NRf> Power or voltage, -30 dBm to 0 Parameter <ampl> Return parameter <NR3> Example :SOUR:POW:TRAC -5...

  • Page 95: System Commands

    COMMAND DETAILS System Commands :SYSTem:COMMunicate:LAN:DHCP ......95 :SYSTem:COMMunicate:LAN:GATE ......95 :SYSTem:COMMunicate:LAN:IP:ADDRess ....96 :SYSTem:COMMunicate:LAN:MASK ......96 :SYSTem:CONFigure:FIRMwareupdate .....96 :SYSTem:CONFigure:information? ......97 :SYSTem:DATE ............97 :SYSTem:LANGuage ...........97 :SYSTem:PON:TYPE ...........98 :SYSTem:PRESet:TYPE ..........98 :SYSTem:SPEaker:VOLume ........98 :SYSTem:Time ............99 :SYSTem:COMMunicate:LAN:DHCP Query Turns the DHCP on/off or queries its state. Description Syntax :SYSTem:COMMunicate:LAN:DHCP {OFF|ON|0|1} Query Syntax :SYSTem:COMMunicate:LAN:DHCP?

  • Page 96: System:communicate:lan:ip:address

    GSP-818 Programming Manual Syntax :SYSTem:COMMunicate:LAN:GATE <gate> Query Syntax :SYSTem:COMMunicate:LAN:GATE? <String> Parameter <gate> Return parameter <String> Example :SYST:COMM:LAN:GATE 192.168.1.1 :SYSTem:COMMunicate:LAN:IP:ADDRess Query Sets or queries the device IP address. Description Syntax :SYSTem:COMMunicate:LAN:MASK <mask> Query Syntax :SYSTem:COMMunicate:LAN:MASK? <String> Parameter < mask> Return parameter <String> Example :SYST:COMM:LAN:MASK 255.255.255.0 :SYSTem:COMMunicate:LAN:MASK...

  • Page 97: System:configure:information

    COMMAND DETAILS Example :SYST:CONF:FIRM :SYSTem:CONFigure:information? Query Queries the system information, such as the serial Description number, hardware version, and temperature of the instrument. Query Syntax :SYSTem:CONFigure:INFomation? Returns the system information as a Return parameter <String> string in the following format: Serial Number = GSP XXXXXX, Hardware Version = X.X.X.X, temperature = X℃...

  • Page 98: System:pon:type

    GSP-818 Programming Manual The instrument displays in English. Parameter/ ENGLish The instrument displays in Chinese. Return Parameter CHINese Query Example :SYST:LANG ENGL :SYSTem:PON:TYPE Query Sets the power-on type between user-defined and Description factory default. Syntax :SYSTem:PON:TYPE {FACTory|USER} Query Syntax :SYSTem:PON:TYPE? Factory default Parameter/ FACTory...

  • Page 99: System:time

    COMMAND DETAILS :SYSTem:Time Query Sets or queries the system time. Description Syntax :SYSTem:TIME <hour>,<minute>,<second> Query Syntax :SYSTem:TIME? <NR1> Hour, an integer 0 to 23. Parameter/ <hour> <NR1> Minute, an integer 0 to 59. Return Parameter <minute> <NR1> Second, an integer 0 to 59. <second>...

  • Page 100: Trace Commands

    GSP-818 Programming Manual Trace Commands :TRACe[:DATA]? ............100 :TRACe[:DATA]? Query Query and return the specific trace data Description Query Syntax :TRACe[:DATA]? TRACE1|TRACE2|TRACE3|TRACE4|TRACE5 The selected trace. Parameter <TRACE1> <TRACE2> <TRACE3> <TRACE4> <TRACE5> Trace data, separated by a comma "," Return Parameter <data> and each data length is fixed at 7 bits.
  • Page 101 COMMAND DETAILS <NR1> Trace number 1 to 5. Parameter/ <n> Clear and Write Return Parameter WRITe Hold the maximum points from <MAXHold> each sweep. Hold the minimum points from each <MINHold > sweep. Clear the trace < BLANk> Hold the last trace <VIEW>...

  • Page 102: Trigger Commands

    GSP-818 Programming Manual Trigger Commands :TRIGger:SEQuence:SOURce ........102 :TRIGger:SEQuence:SOURce:VIDeo:POWer ..102 :TRIGger:SEQuence:SOURce Query Sets or queries the triggering source. Description Syntax :TRIGger:SEQuence:SOURce {RUN|VIDeo|POSitive|NEGative} Query Syntax :TRIGger:SEQuence:SOURce? Run trigger Parameter/ Video trigger Return parameter VIDeo Positive trigger POSitive Negative trigger NEGative Example :TRIG:SEQ:SOUR RUN :TRIGger:SEQuence:SOURce:VIDeo:POWer...

  • Page 103: Udisk Commands

    COMMAND DETAILS UDISK Commands :UDISk:STORe:SCReen..........103 :UDISk:STORe:TRACe ..........103 :UDISk:STORe:SCReen Saves the current screen-shot to a folder named Description "spectrum" (created automatically) in USB storage device, the file is named based on date/time, the format is png. Syntax :UDISk:STORe:SCReen Example :UDIS:STOR:SCR :UDISk:STORe:TRACe Saves the trace data to a folder named "spectrum"...

  • Page 104: Unit Command

    GSP-818 Programming Manual UNIT Command :UNIT:POWer ............104 :UNIT:POWer Query Sets the amplitude unit. Description Syntax :UNIT:POWer {DBM|DBUW|DBPW|DBMV|DBUV|W|V} Query Syntax :UNIT:POWer? Decibels Parameter/ Decibels relative to one microwatt Return parameter DBUW Decibels relative to one picowatt DBPW Decibels relative to one millivolt DBMV Decibels relative to one microvolt DBUV...

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