EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) - Инструкция (Страница 523)

Справка по командам SCPI
OSA 517
Product-Specific Commands—Description
:CALCulate[1..n][:WDM]:DATA:CHANnel:
CenterMASs[:WAVelength]?
Description This query returns computed WDM analysis result
for center of mass wavelength of the selected
channel.
At *RST, this value is not available.
Syntax :CALCulate[1..n][:WDM]:DATA:CHANnel:Center
MASs[:WAVelength]?
Parameter(s) None
Response Syntax <Center>
Response(s) Center:
The response data syntax for <Center> is defined
as a <NR3 NUMERIC RESPONSE DATA>
element.
The <Center> response corresponds to the
computed center of mass wavelength in meter.
Example(s) CALC:WDM:CHAN:DEL:ALL
CALC:WDM:CHAN:DEF "C_2", 1287.000 NM
<Do measurement>
CALC:WDM:DATA:CHAN:SEL "C_2"
CALC:WDM:DATA:CHAN:CMAS:WAV? Returns
1.286971E-006