EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) - Handbuch (Seite 512)

SCPI-Befehlsreferenz
504 FTB-5240S/S-P/BP
Product-Specific Commands—Description
:CALCulate[1..n][:WDM]:DATA:CHANnel:
NSELect?
Description This query returns the one-based index of the
selected WDM channel result.
At *RST, this value is not available.
Syntax :CALCulate[1..n][:WDM]:DATA:CHANnel:NSELec
t?
Parameter(s) None
Response Syntax <Select>
Response(s) Select:
The response data syntax for <Select> is
defined as a <NR1 NUMERIC RESPONSE DATA>
element.
The <Select> response corresponds to the
index of the selected channel result. Zero is
returned if no channel has been selected.
Example(s) CALC:WDM:CHAN:DEL:ALL
CALC:WDM:CHAN:DEF "C_001", 1300.000 NM
<Do measurement>
CALC:WDM:DATA:CHAN:NSEL? Returns 0 (no
selection)
CALC:WDM:DATA:CHAN:NSEL 1
CALC:WDM:DATA:CHAN:NSEL? Returns 1
See Also :CALCulate[1..n][:WDM]:CHANnel:NSELect?
:CALCulate[1..n][:WDM]:DATA:CHANnel:NSELec
t
:CALCulate[1..n][:WDM]:DATA:CHANnel:SELect?