SR830 DSP Lock-In Amplifier
1-8
DATA STORAGE page description
SRAT (?) {i} 5-13 Set (Query) the DataSample Rate to 62.5 mHz (0) through 512 Hz (13) or Trigger (14).
SEND (?) {i} 5-13 Set (Query) the Data Scan Mode to 1 Shot (0) or Loop (1).
TRIG 5-13 Software trigger command. Same as trigger input.
TSTR (?) {i} 5-13 Set (Query) the Trigger Starts Scan modeto No (0) or Yes (1).
STRT 5-13 Start or continue a scan.
PAUS 5-13 Pause a scan. Does not reset a paused or done scan.
REST 5-14 Reset the scan. All stored data is lost.
DATA TRANSFER page description
OUTP? i 5-15 Query the value of X (1), Y (2), R (3) or θ (4). Returns ASCII floating point value.
OUTR? i 5-15 Query the value of Display i (1,2). Returns ASCII floating point value.
SNAP?i,j{,k,l,m,n} 5-15 Query the value of 2 thru 6 paramters at once.
OAUX? i 5-16 Query the value of Aux Input i (1,2,3,4). Returns ASCII floating point value.
SPTS? 5-16 Query the number of points stored in Display buffer.
TRCA? i,j,k 5-16 Read k≥1 points starting at bin j≥0 from Display i (1,2) buffer in ASCII floating point.
TRCB? i,j,k 5-16 Read k≥1 points starting at bin j≥0 from Display i (1,2) buffer in IEEE binary floating point.
TRCL? i,j,k 5-17 Read k≥1 points starting at bin j≥0 from Display i (1,2) buffer in non-normalized binary floating
point.
FAST (?) {i} 5-17 Set (Query) Fast Data Transfer Mode On (1) or Off (0).On will transfer binary X and Y every
sample during a scan over the GPIB interface.
STRD 5-18 Start a scan after 0.5sec delay. Use with Fast Data Transfer Mode.
INTERFACE page description
❋RST 5-19 Reset the unit to its default configurations.
❋IDN? 5-19 Read the SR830 device identification string.
LOCL(?) {i} 5-19 Set (Query) the Local/Remote state to LOCAL (0), REMOTE (1), or LOCAL LOCKOUT (2).
OVRM (?) {i} 5-19 Set (Query) the GPIB Overide Remote state to Off (0) or On (1).
TRIG 5-19 Software trigger command. Same as trigger input.
STATUS page description
❋CLS 5-20 Clear all status bytes.
❋ESE (?) {i} {,j} 5-20 Set (Query) the Standard Event Status Byte Enable Register to the decimal value i (0-255).
❋ESE i,j sets bit i (0-7) to j (0 or 1). ❋ESE? queries the byte. ❋ESE?i queries only bit i.
❋ESR? {i} 5-20 Query the Standard Event Status Byte. If i is included, only bit i is queried.
❋SRE (?) {i} {,j} 5-20 Set (Query) the Serial Poll Enable Register to the decimal value i (0-255). ❋SRE i,j sets bit i (0-
7) to j (0 or 1). ❋SRE? queries the byte, ❋SRE?i queries only bit i.
❋STB? {i} 5-20 Query the Serial Poll Status Byte. If i is included, only bit i is queried.
❋PSC (?) {i} 5-20 Set (Query) the Power On Status Clear bit to Set (1) or Clear (0).
ERRE (?) {i} {,j} 5-20 Set (Query) the Error Status Enable Register to the decimal value i (0-255). ERRE i,j sets bit i
(0-7) to j (0 or 1). ERRE? queries the byte, ERRE?i queries only bit i.
ERRS? {i} 5-20 Query the Error Status Byte. If i is included, only bit i is queried.
LIAE (?) {i} {,j} 5-20 Set (Query) the LIA Status Enable Register to the decimal value i (0-255). LIAE i,j sets
bit i (0-7) to j (0 or 1). LIAE? queries the byte, LIAE?i queries only bit i.
LIAS? {i} 5-20 Query the LIA Status Byte. If i is included, only bit i is queried.
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