LeCroy 9300C Series, Operator'S Manual

Page: 79 / 275

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.