EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) - Manual (Page 477)

SCPI Command Reference
Optical Spectrum Analyzer 469
Product-Specific Commands—Description
:CALCulate[1..n]:RBW
Description This command sets the RBW for OSNR. This
value is used in calculation only if RBW
Instrument is OFF (or 0).
For this command to be accepted, the OSA
module must be in Ready state with no
acquisition in progress.
At *RST, this value is 0.100 nm.
Syntax :CALCulate[1..n]:RBW<wsp><RbwForOsnr>
Parameter(s) RbwForOsnr:
The program data syntax for <RbwForOsnr> is
defined as a <DECIMAL NUMERIC PROGRAM
DATA> element.
Selects the RBW for OSNR.
Range: [0.010 … 2.000] nm
Example(s) CALC:RBW 0.1
See Also CALCulate[1..n]:RBW?
CALCulate[1..n]:RBW:INSTrument
CALCulate[1..n]:RBW:INSTrument?