EXFO FTB -5240S/5240BP Optical Spectrum Analyzer - Manual (Page 505)

SCPI Command Reference
OSA 499
Product-Specific Commands—Description
:CALCulate[1..n][:WDM]:DATA:OSNR:
MEAN?
Description This query returns computed WDM analysis
global result for mean signal-to-noise ratio.
At *RST, this value is not available.
Syntax :CALCulate[1..n][:WDM]:DATA:OSNR:MEAN?
Parameter(s) None
Response Syntax
Response(s) Mean:
The response data syntax for is defined
as a
element.
The response corresponds to the
computed mean signal-to-noise ratio.
Example(s)
UNIT:RAT DB
CALC:WDM:DATA:OSNR:MEAN? Returns
4.471000E+001
Notes Special NAN (not a number) value
-2251799813685248 is returned if analysis result
could not be computed.
See Also :CALCulate[1..n][:WDM]:DATA:OSNR:FLATness?
:CALCulate[1..n][:WDM]:DATA:SIGnalPower:FLA
Tness?
:CALCulate[1..n][:WDM]:DATA:SIGnalPower:ME
AN?
:CALCulate[1..n][:WDM]:DATA:TPOWer?