EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) - Handbuch (Seite 398)

SCPI-Befehlsreferenz
390 FTB-5240S/S-P/BP
Product-Specific Commands—Description
DEFault allows the instrument to select a value
for the <Width> parameter.
The <Width> parameter corresponds to a valid
width in meter for the noise measurement
region.
The
CALCulate[1..n][:WDM]:CHANnel:AUTO:NOISe:
WIDTh[:WAVelength]? MIN and
CALCulate[1..n][:WDM]:CHANnel:AUTO:NOISe:
WIDTh[:WAVelength]? MAX queries can be used
to determine valid width values.
Example(s) CALC:WDM:CHAN:AUTO:NOIS:TYPE POLY5
CALC:WDM:CHAN:AUTO:NOIS:WIDTh:WAV 12.5
NM
CALC:WDM:CHAN:AUTO:NOIS:WIDTh:WAV?
Returns 1.250000E-008
:CALCulate[1..n][:WDM]:CHANnel:AUTO:
NOISe:WIDTh:[WAVelength]