170 Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide
10 Triggers
To trigger on all sync pulses
To quickly find maximum video levels, you could trigger on all sync
pulses. When All Lines is selected as the Video trigger mode, the
oscilloscope will trigger on all horizontal sync pulses.
1 Press the [Trigger] key.
2 In the Trigger Menu, press the Trigger softkey; then, turn the Entry knob
to select Video.
3 Press the Settings softkey, then press the Standard softkey to select the
appropriate TV standard.
4 Press the Mode softkey and select All Lines.
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 (available for interleaved standards). 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).
Figure 28 Triggering on All Lines
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