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3-14
Programming
Making Measurements
Measure delta, drift, and signal- to- noise
To select a measurement, use one of the following STATe commands:
CALC3:DELT:POW:STAT (delta power)
CALC3:DELT:WAV:STAT (delta wavelength)
CALC3:DELT:WPOW:STAT (delta power and wavelength)
CALC3:DRIF:STAT (drift)
CALC3:SNR:STAT (signal-to-noise ratios)
CALC3:ASNR:STAT (signal-to-noise ratio averaging)
If you select a drift measurement, you can select one of the following
additional states:
CALC3:DRIF:DIFF:STAT (difference)
CALC3:DRIF:MAX:STAT (maximum drift)
CALC3:DRIF:MIN:STAT (minimum drift)
CALC3:DRIF:REF:STAT (drift reference values)
The :CALCulate3:DRIFt:PRESet command turns off the minimum, max-
imum, difference, and reference states but leaves the drift state on.
Attempting to turn more than one state on at a time results in an
“–221 Settings Conflict” error.
The *RST and SYSTem:PRESet commands turn all calculations off.
CALCulate3:PRESet turns off any CALCulate3 calculations.