Инструкция по эксплуатации EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434)
Страница 509
Справка по командам SCPI
OSA
503
Product-Specific Commands—Description
:CALCulate[1..n][:WDM]:DATA:CHANnel:
BANDwidth[1|2]|BWIDth[1|2]:
RelativeLEVel?
Description
This query indicates the bandwidth position
setting used for WDM analysis of the selected
channel result.
At *RST, this value is not available.
Syntax
:CALCulate[1..n][:WDM]:DATA:CHANnel:BANDw
idth[1|2]|BWIDth[1|2]:RelativeLEVel?
Parameter(s)
None
Response Syntax
<PowerLevel>
Response(s)
PowerLevel:
The response data syntax for <PowerLevel> is
defined as a <NR3 NUMERIC RESPONSE
DATA> element.
The <PowerLevel> response corresponds to the
bandwidth position.
Example(s)
CALC:CHAN:DEL:ALL
CALC:WDM:CHAN:DEF "C_014", 1536.000 NM
CALC:WDM:BAND2:RLEV 12.5 DB
<Do measurement>
UNIT:RAT DB
CALC:WDM:DATA:CHAN:SEL "C_014"