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

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SCPI-Befehlsreferenz

OSA

365

Product-Specific Commands—Description

:CALCulate[1..n][:WDM]:

BANDwidth[1|2]|BWIDth[1|2]:

RelativeLEVel

Description

This command sets WDM analysis bandwidth

position for all channels to a specific value.

Bandwidth position value is the power level

relative to peak maximum where signal

bandwidth of a channel is computed.

At *RST, this value is set to 3.0 dB for bandwidth1

and 20.0 dB for bandwidth2.

Syntax

:CALCulate[1..n][:WDM]:BANDwidth[1|2]|BWI

Dth[1|2]:RelativeLEVel<wsp><PowerLevel[<

wsp>DB|W/W|PCT]>|MAXimum|MINimum|D

EFault

Parameter(s)

PowerLevel:
The program data syntax for <PowerLevel> is

defined as a <numeric_value> element

followed by an optional <SUFFIX PROGRAM

DATA> element. The allowed <SUFFIX

PROGRAM DATA> elements are: DB|W/W|PCT.

The <PowerLevel> special forms MINimum,

MAXimum and DEFault are accepted on input.

MINimum allows to set the instrument to the

smallest supported value.

MAXimum allows to set the instrument to the

greatest supported value.

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