Exfo FTB-7000 OTDR Series for FTB-500 Instrukcja Użytkownika Pobierz pdf (Strona 451)

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101

SCPI-Befehlsreferenz

OTDR 437

Product-Specific Commands—Description

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

Description This command sets 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><Pulsed

RepetitionFrequency>|MAXimum|MINimum|D

EFault

Parameter(s) PulsedRepetitionFrequency:

The program data syntax for

<PulsedRepetitionFrequency> is defined as a

<numeric_value> element. The

<PulsedRepetitionFrequency> special forms

MINimum, MAXimum and DEFault are accepted

on input.

MINimum allows to set the instrument to the

lowest supported value.

MAXimum allows to set the instrument to the

highest supported value.

DEFault allows the instrument to select a value

for the <PulsedRepetitionFrequency>

parameter.

Pulsed Repetition Frequency (PRF) of the

source’s signal.

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Exfo FTB-7000 OTDR Series for FTB-500 Instrukcja Użytkownika Strona 451

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