Tektronix CSA7404B, User Manual

Page: 161 / 438

Triggering
CSA7000B Series & TDS7000B Series Instruments User Manual
3- 93
Overview Control elements and resources To trigger on a window threshold violation
Qualify window
trigger
6.
To qualify the window trigger, select from these Trigger
drop-down list combinations. Note that the Trigger
controls change as you select different combinations of
options.
H
Enter Window and Occurs or Exits Window and
Occurs: Trigger the instrument when the signal
enters (or leaves) the window defined by the
threshold levels.
H
Inside limits and greater than or Outside limits and
greater than: Trigger the instrument when the
signal enters (or leaves) the window defined by the
threshold levels for the time specified by Time.
H
Window Event and Trigger if Window Logic: When
the instrument detects a signal entering or leaving
the window defined by the threshold levels, it
checks the logic state of up to two other available
channels and triggers only if their conditions are
met. For more information on qualifying triggers,
see
Logic Qualify a Trigger on page 3--102.
Set mode and
holdoff
7. Mode and holdoff can be set for all standard trigger
types. Refer to
Select the trigger mode on page 3--71
and Set holdoff on page 3--74. To learn more about
trigger mode and holdoff, see Trigger Modes on
page 3--65 and Trigger Holdoff on page 3--66.
For mode and holdoff setup, see Select the trigger
mode on page 3--71 and Set holdoff on
page 3--74.