EXFO FTB -5240S/5240BP Optical Spectrum Analyzer - Manual (Page 479)

SCPI Command Reference
OSA 473
Product-Specific Commands—Description
:CALCulate[1..n][:WDM]:DATA:CHANnel:
CenterPEAk:FREQuency?
Description This query returns computed WDM analysis
result for peak center frequency of the selected
channel.
At *RST, this value is not available.
Syntax :CALCulate[1..n][:WDM]:DATA:CHANnel:Center
PEAk:FREQuency?
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 frequency in hertz.
Example(s) CALC:CHAN:DEL:ALL
CALC:CHAN:DEF "ITU_08", 196.4327 THZ
<Do measurement>
CALC:DATA:CHAN:SEL "ITU_08"
CALC:DATA:CHAN:CPEA:FREQ? Returns
1.964293E+014