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5
Using TRIGGER Controls
The TRIGGER controls on the front panel consist of the
following:
LEVEL knob
You use this knob to set the triggering level while using
the edge trigger. You also use this control to set the
holdoff time for a trigger. To set the holdoff time, you
must first select the appropriate option in the
HORIZONTAL menu to specify whether the knob
controls the trigger level or the holdoff time.
TRIG MENU button
You use this button to display the trigger menu. The
trigger menu contains various options such as trigger
type, trigger source, and trigger mode.
SET TO 50% button
You use this button to set the trigger level to the vertical
midpoint between the peaks of the triggering signal.
FORCE TRIG button
You use this button to force a signal acquisition to occur
in the absence of a trigger signal. This manual trigger
function can become necessary when you set the
triggering mode to Normal or SINGLE SEQ.
TDS1000 and TDS2000 Series Oscilloscopes – Operator Training Kit
5-3