Datasheet

55
Example 6: Video Signal Trigger
Observe the video circuit of a television, apply the video trigger and obtain the stable video
output signal display.
Video Field Trigger
For the trigger in the video field, carry out operations according to the following steps:
(1) Push the Trigger Menu button to display the right menu.
(2) In the right menu, select Type as Single.
(3) In the right menu, select Single as Video.
(4) In the right menu, select Source as CH1.
(5) In the right menu, select Modu as NTSC.
(6) In the right menu, press Next Page, select Sync as Field.
(7) Turn the Vertical Scale, Vertical Position and Horizontal Scale knobs to obtain a
proper waveform display (see Figure 0-7).
Figure 0-7 Waveform Captured from Video Field Trigger