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EXFO FTB -5240S/5240BP Optical Spectrum Analyzer User Manual

Page 444

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SCPI Command Reference

438

FTB-5240S/S-P/BP

Product-Specific Commands—Description

DEFault allows the instrument to select a value

for the parameter.

The parameter corresponds to a valid

width in meter for the noise measurement

region.

The

CALCulate[1..n][:WDM]:CHANnel:NOISe:WIDTh

[:WAVelength]? MIN and

CALCulate[1..n][:WDM]:CHANnel:NOISe:WIDTh

[:WAVelength]? MAX queries can be used to

determine valid width values.

Example(s)

CALC:WDM:CHAN:DEF "ITU_22",192.1750 THZ

CALC:WDM:CHAN:SEL "ITU_22"

CALC:WDM:CHAN:NOIS:TYPE POLY5

CALC:WDM:CHAN:NOIS:WIDTh:WAV 12.5 NM

CALC:WDM:CHAN:NOIS:WIDTh:WAV? Returns

1.250000E-008

:CALCulate[1..n][:WDM]:CHANnel:

NOISe:WIDTh[:WAVelength]