1007
Keysight InfiniiVision 3000T X-Series Oscilloscopes
Programmer's Guide
33 :TRIGger Commands
Control the trigger modes and parameters for each trigger type. See:
• "Introduction to :TRIGger Commands" on page 1007
• "General :TRIGger Commands" on page 1009
• ":TRIGger:DELay Commands" on page 1019
• ":TRIGger:EBURst Commands" on page 1026
• ":TRIGger[:EDGE] Commands" on page 1031
• ":TRIGger:GLITch Commands" on page 1037 (Pulse Width trigger)
• ":TRIGger:OR Commands" on page 1046
• ":TRIGger:PATTern Commands" on page 1048
• ":TRIGger:RUNT Commands" on page 1056
• ":TRIGger:SHOLd Commands" on page 1061
• ":TRIGger:TRANsition Commands" on page 1067
• ":TRIGger:TV Commands" on page 1072
• ":TRIGger:ZONE Commands" on page 1082
Introduction to
:TRIGger
Commands
The commands in the TRIGger subsystem define the conditions for an internal
trigger. Many of these commands are valid in multiple trigger modes.
The default trigger mode is :EDGE.
The trigger subsystem controls the trigger sweep mode and the trigger
specification. The trigger sweep (see ":TRIGger:SWEep" on page 1018) can be
AUTO or NORMal.
• NORMal mode — displays a waveform only if a trigger signal is present and the
trigger conditions are met. Otherwise the oscilloscope does not trigger and the
display is not updated. This mode is useful for low-repetitive-rate signals.
• AUTO trigger mode — generates an artificial trigger event if the trigger
specification is not satisfied within a preset time, acquires unsynchronized data
and displays it.
AUTO mode is useful for signals other than low-repetitive-rate signals. You
must use this mode to display a DC signal because there are no edges on which
to trigger.
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