Tektronix AVG1, User Manual

Page: 40 / 146

Operating Procedures
2- 16
AVG1 Analog Video Generator User Manual
You can select one of the following types of Trigger signals to send to the rear
panel Trigger BNC connector:
H
Horizontal. One trigger pulse per line at the location entered.
H
Vertical. One trigger pulse per color frame at beginning of the entered line.
H
Pixel. One trigger pulse per color frame at the intersection of the horizontal
and vertical trigger.
NOTE
. Triggers are active throughout the line. However, cursors are only active
during active video.
To select the trigger output, follow these steps:
1. In the Module Parameters window, shown on page 2--13, touch Trigger to
enter the Trigger window, shown below.
2. Turn on the cursor by touching the On/Off on the display. A cursor provides
line and pixel selection anywhere within the frame.
3. Touch Type on the display until the desired type of trigger is displayed:
H
Horizontal (one trigger pulse per line at location entered)
H
Vertical (one trigger pulse per color frame at beginning of line entered)
H
Pixel (one trigger pulse per color frame at intersection of horizontal and
vertical trigger)
4. If the type is horizontal or pixel, touch H Pos us (to adjust horizontal
position by time) or H Pos samples (to adjust horizontal position by
Trigger