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38 CALCulate3 Subsystem
:CALCulate3:DRIFt[:STATe]{?| {ON | OFF | 1 | 0}}
Turns on and off the drift measurement calculation.
Attribute Summary
Preset State: off
*RST State: off
SCPI Compliance: instrument specific
Description
When the drift mode is first turned on, the current list
of laser lines is placed into the reference. All subse-
quent measurements take the new data, subtract the
reference data, and display the differences in wave-
lengths and powers.
The CALC3:DATA? query returns the power and fre-
quency of the current measurement minus the power
and frequency of the reference.
Note
Only one STATe command can be turned on at any one time.
Attempting to turn more than one state on at a time results in a
“–221 Settings Conflict” error. Refer to “Measure delta, drift,
and signal-to-noise” on page 4-13 for additional information on
selecting measurements.
Note
Only one STATe command can be turned on at any one time.
Attempting to turn more than one state on at a time results in a
“–221 Settings Conflict” error. Refer to “Measure delta, drift,
and signal-to-noise” on page 4-13 for additional information on
selecting measurements.