Agilent Technologies N9340A Instrukcja Użytkownika Strona 149

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SCPI Command Reference 6
N9340A User’s Guide 139
TRIGer Subsystem
Trigger subsystem is only valid when the analyzer
is in zero span.
External Trigger Slope
:TRIGer[:SEQuence]:EXTernal:SLOPe
POSitive|NEGative
:TRIGer[:SEQuence]:EXTernal:SLOPe?
The external trigger signal must be a TTL signal at
0 V to 5 V. This function controls the trigger
polarity (for positive or negative- going signals).
Trigg er So urce
:TRIGer[:SEQuence]:SOURce
IMMediate|VIDeo|EXTernal
:TRIGer[:SEQuence]:SOURce?
This command sets the source (or type) of
triggering used to start a measurement.
Immediate is a free- run triggering.
Video triggers on the video signal level.
External allows you to connect an external
trigger source.
*RST state: Positive
*RST state: Immediate (free- run triggering)
Key access: [Span] > {Trigger}
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