Exfo FTB-7000 OTDR Series for FTB-500 Manual do Utilizador Página 453

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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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