8–33
SMART TRIGGER — Pattern (NOT ON 9304C, 9310C, 9314C SERIES)
type
To select “Pattern”.
trigger on
To select “Entering” for the scope to trigger when the pattern starts
being true, and “Exiting” for triggering when it stops being true.
Pattern with
For selecting the channel to be modified using the lower menus’
corresponding menu buttons (four-channel menu shown).
coupling
To select the desired coupling. HF coupling is not available for
Pattern Trigger.
level
For modifying these values using the associated knob — adjusts the
level — and the corresponding menu button, which chooses
“L” (low), “H” (high), or “X” (Don't care).
holdoff
To disable the trigger circuit for a definable period of time or number
of events after a trigger event (a change in the input signal that
satisfies the trigger conditions). When not turned off, holdoff can be
defined as a period of “Time” or a number of “Evts” (events). Use
the associated menu knob to vary the “holdoff” value. Time holdoff
values in the range 10 ns–20 s may be entered. Event counts in the
range 1–10
9
are allowed.
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