Source[1..n]:frequency:prf – EXFO FTB-7000 OTDR Series for FTB-500 Benutzerhandbuch

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SCPI-Befehlsreferenz

OTDR

439

Product-Specific Commands—Description

:SOURce[1..n]:FREQuency:PRF?

Description

This query returns the repetition frequency of the

on-off modulation of the source signal that is

periodically switched on and off (flashing

pattern). This characteristic is referred to as

"Pulsed Repetition Frequency" (PRF).

*RST reverts this setting to its default value.

Syntax

:SOURce[1..n]:FREQuency:PRF?[<wsp>MINimu

m|MAXimum|DEFault]

Parameter(s)

Parameter 1:
The program data syntax for the first parameter is

defined as a <CHARACTER PROGRAM DATA>

element. The allowed <CHARACTER PROGRAM

DATA> elements for this parameter are:

MINimum|MAXimum|DEFault.

MINimum is used to retrieve the instrument's

lowest supported value.

MAXimum is used to retrieve the instrument's

highest supported value.

DEFault is used to retrieve the instrument's

default value.

Response Syntax

<PulsedRepetitionFrequency>

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