Инструкция по эксплуатации EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434)

Страница 509

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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"

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