Trg - Agilent Technologies N1996A-503 User Reference

Mode
Meas Off (Spectrum Analyzer) Measurement
Remote Command Notes
Preset
State Saved
Key Path
Free Run (Immediate) When free run is selected, triggering occurs immediately after the
sweep/measurement is initiated.
Remote Command
Example
Remote Command Notes
Key Path
Video Sets the video signal as the trigger source. With Video selected, the trigger
condition is met when the video signal crosses the filtered and detected version of the input
signal, including RBW filtering.
The video trigger level is shown as a labeled line on the display. The line is displayed as
long as video is the selected trigger source.
Example
Dependencies / Couplings
Remote Command Notes
Key Path
72
IMMediate – free run triggering
EXTernal – triggers on an externally connected trigger source on
the rear panel
RFBurst – triggers on the bursted frame
VIDeo – triggers on the video signal level
Other trigger-related commands are found in the INITiate and
ABORt subsystems.
*OPC? should be used after requesting data. This will hold off any
subsequent changes to the selected trigger source, until after the
sweep is completed and the data is returned.
Free Run (Immediate)
Saved in State
Meas Setup

*TRG

TRIG:SOUR IMM
*TRG
The *TRG command immediately initiates a trigger.
Meas Setup, Trigger, Free Run (Immediate)
TRIG:SOUR VID selects video triggering.
Triggers and detector modes are independent.
Trigger slope cannot be set for Video triggering.
See Trigger
Meas Setup, Trigger, Video
Chapter 3