Stanford Research Systems SR865A Operation Manual page 14

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

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