EXFO FTB-7000 OTDR Series for FTB-500 - Handbuch (Seite 451)

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.