Stanford Research Systems SR865A, Operation Manual

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xii Commands
SR865A DSP Lock-in Amplifier
FFT Screen Commands page description
FFTR(?) { ADC | MIXer | FILTer | i } 125 Set FFT data source
FFTS(?) { i } 125 Set vertical scale from 1.0 dB (0) to 200 dB (7)
FFTO(?) { x } 125 Set top reference level
FAUT 126 FFT auto scale
FFTMAXSPAN? 126 Query maximum allowed frequency span in Hz/div
FFTSPAN(?) { x } 126 Set frequency span in Hz/div
FFTA(?) { AVG1 | AVG3 | AVG10 | AVG30 | AVG100 | i } 126 Set averaging
FFTL(?) { OFF | ON | i } 126 Turn FFT off/on (pause/live)
FCRW(?) { LIne | NARrow | WIde | i } 126 Set the cursor width
FCRX? 127 Query the FFT cursor frequency
FCRY? 127 Query the FFT cursor amplitude
Scan Commands
page description
SCNPAR(?) { Fint | REFAmp | REFDc | OUT1 | OUT2 | i } 128 Set the scan parameter
SCNLOG(?) { LIN | LOG | i } 128 Set the scan type
SCNEND(?) { ONce | REpeat | UPdown | i } 128 Set the scan end mode
SCNSEC(?) { x } 128 Set the scan time to x seconds
SCNAMPATTN(?) {i} 128 Set the amplitude attenuator mode for scanning
SCNDCATTN(?) {i} 129 Set the dc attenuator mode for scanning
SCNINRVL(?) {i} 129 Set the scan parameter update interval
SCNENBL(?) { OFF | ON | i } 129 Turn the scan off/on
SCNRUN 130 Start or resume the scan
SCNPAUSE 130 Pause the scan
SCNRST 130 Reset the scan
SCNSTATE? 130 Query the scan (off, reset, run, pause or done)(0-4)
SCNFREQ(?) [ BEGin | END | j ] { , f { HZ | KHZ | MHZ } } 130 Set the begin/end frequency
SCNAMP(?) [ BEGin | END | j ] { , v { NV | UV | MV | V } } 130 Set the begin/end reference amplitude
SCNDC(?) [ BEGin | END | j ] { , v { NV | UV | MV | V } } 130 Set the begin/end reference dc level
SCNAUX1(?) [ BEGin | END | j ] { , v { NV | UV | MV | V } } 131 Set the begin/end AuxOut1 value
SCNAUX2(?) [ BEGin | END | j ] { , v { NV | UV | MV | V } } 131 Set the begin/end AuxOut2 value
Data Transfer Commands
page description
OUTR? [ DAT1 | DAT2 | DAT3 | DAT4 | j ] 132 Query data channel j
OUTP? [ j ] 132 Query lock-in parameter j
SNAP? [ j, k ] { , l } 132 Query multiple lock-in parameters at once
SNAPD? 133 Query all 4 displayed parameters at once
Data Capture Commands
page description
CAPTURELEN(?) { n } 136 Set the buffer length to n 1 kbyte blocks
CAPTURECFG(?) { X | XY | RT | XYRT | i } 136 Configure capture to X, XY, R θ or XYR θ (0–3)
CAPTURERATEMAX? 136 Query the maximum capture rate