Tektronix 524A, 540A, 544A, TDS 520A Trigger Menu

Triggering
TDS 620A, 640A, & 644A User Manual
The trigger point indicator shows position. It can be positioned horizontally off
screen, especially with long record length settings. The trigger level bar
shows only the trigger level. It remains on screen, regardless of the horizontal
position, as long as the channel providing the trigger source is displayed.
Trigger Position Relative to the
Display and Waveform Record
Trigger Point Indicator Indicating
the Trigger Position on the
Waveform Record
Trigger Bar Indicating the Trigger
Level on the Waveform Record
Figure 3-78: Record View, Trigger Position, and Trigger Level Bar Readouts
Both the trigger point indicator and level bar are displayed from the Display
menu. See
Display Readout on page 3-30 for more information.
Each trigger type (edge, logic, and pulse) has its own main trigger menu,
which is described in a separate part of this section (see
For More Informa-
tion
).
To select the trigger type, press TRIGGER MENU ➞ Type (main) ➞ Edge,
Logic, or Pulse (pop-up).
See Delay Triggering , on page 3-22.
See
Edge Triggering , on page 3-34.
See
Logic Triggering , on page 3-78.
See
Pulse Triggering , on page 3-119.
See
Triggering , on page 2-13.
Trigger Menu
For More
Information