Инструкция по эксплуатации EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434)
Страница 527
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Справка по командам SCPI
OSA
521
Product-Specific Commands—Description
:CALCulate[1..n][:WDM]:DATA:CHANnel:
CenterPEAk[:WAVelength]?
Description
This query returns computed WDM analysis result
for peak center wavelength of the selected
channel.
At *RST, this value is not available.
Syntax
:CALCulate[1..n][:WDM]:DATA:CHANnel:Center
PEAk[: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 peak center wavelength in meter.
Example(s)
CALC:CHAN:DEL:ALL
CALC:CHAN:DEF "CWDM_05", 1529.000 NM
<Do measurement>
CALC:DATA:CHAN:SEL "CWDM_05"
CALC:DATA:CHAN:CPEA:WAV? Returns
1.529568E-006
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