Инструкция по эксплуатации EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434)

Страница 439

Advertising
background image

Справка по командам SCPI

OSA

433

Product-Specific Commands—Description

DEFault allows the instrument to select a value
for the <Width> parameter.

The <Width> parameter corresponds to a valid
channel width in hertz.

The
CALCulate[1..n][:WDM]:CHANnel:AUTO:WIDTh:
FREQuency? MIN and
CALCulate[1..n][:WDM]:CHANnel:AUTO:WIDTh:
FREQuency? MAX queries can be used to
determine valid channel frequency width.

Example(s)

CALC:WDM:CHAN:AUTO:WIDT:FREQ 25.0
GHZ
CALC:WDM:CHAN:AUTO:WIDT:FREQ?
Returns 2.500000E+010

Notes

Automatically set default channel snap center on
ITU grid to off if channel width is not 25.0 GHz,
50.0 GHz, 100.0 GHz or 200.0 GHz.

See Also

:CALCulate[1..n][:WDM]:CHANnel:AUTO
:CALCulate[1..n][:WDM]:CHANnel:AUTO:WIDTh[
:WAVelength]
:CALCulate[1..n][:WDM]:CHANnel:AUTO:WIDTh:
FREQuency?
:CALCulate[1..n][:WDM]:CHANnel:WIDTh:FREQ
uency

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

WIDTh:FREQuency

Advertising