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Programming Commands
CALCulate3 Subsystem
DELTa:POWer[:STATe]
Turns the delta-power measurement mode on and off.
Syntax
:CALCulate3:DELTa:POWer[:STATe]{?| {ON | OFF | 1 | 0}}
Attribute
Summary
Preset State: off
*RST State: off
SCPI Compliance: instrument specific
Description When this state is on, the power of the reference laser line is sub-
tracted from the power values of all laser lines except the reference.
The power data returned by the CALC3:DATA? query is the array of
laser line power levels normalized to the power level of the reference
laser line. The power of the reference laser line is returned as an
absolute power (unnormalized). The frequency data returned is the
array of absolute frequency values.
DELTa:PRESet
Turns off all delta measurement states.
Syntax
:CALCulate3:DELTa:PRESet
Attribute
Summary
Preset State: not affected
*RST State: not affected
SCPI Compliance: instrument specific
Command Only
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 3-14 for additional informa-
tion on selecting measurements.