Specifications

To trigger on a specific field of the video signal

To examine the components of a video signal, trigger on either Field 1 or

Field 2. When a specific field is selected, the oscilloscope triggers on the

rising edge of the first serration pulse in the vertical sync interval in the

specified field (1 or 2).

Select the TV display, TV as the trigger mode, and the appropriate

TV standard as described in the section, “To autoscale on a video

signal.”

Press

Slope/Glitch

in the

TRIGGER

section of the front panel,

then press the

and

TV Menu

softkeys. Press

Field 1

Field 2

Triggering on Field 1

Serration pulses

Equalizing pulses

Figure 6-3

Using Option 005 Enhanced TV/Video Trigger (HP 54645A)

To trigger on a specific field of the video signal

6-8