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Chapter 1 293
GPIB Command Dictionary
OSCilloscope subsystem
:TRIGger:DELay <real number>
:TRIGger:DELay?
These commands set/query the trigger delay. Positive values delay the
trigger, negative values apply a pre-trigger function to each
measurement.
This command utilizes the “Real Number Setting Syntax” on page 299,
but does not use the :STAT, :DUN, :UNIT, :INCR:MODE, :INCR:DUN,
commands.
The valid range of the delay depends on the Time/div setting. See
OSC:SCAL:TIME to set the Time/div.
Syntax
OSC:TRIG:DEL <real> !values depend on Time/div
OSC:TRIG:DEL?
Example
OSC:TRIG:DEL 0.2 !sets to 0.2 units
Screen/field equivalent
OSC:TRIG:DEL controls the Trig-Delay field on the Trigger menu of
the SCOPE screen.
:TRIGger:PRETrigger <real number>
:TRIGger:PRETrigger?
These commands set/query a pretrigger for each measurement.
This command utilizes the “Real Number Setting Syntax” on page 299,
but does not use the :STAT, :DUN, :UNIT, :INCR:MODE, :INCR:DUN,
commands.
Syntax
OSC:TRIG:PRET <real>
OSC:TRIG:PRET?
Screen/field equivalent
OSC:TRIG:PRET has no equivalent field on the SCOPE screen.