Triggering 4
InfiniiVision Oscilloscopes User’s Guide 161
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 TV trigger mode, the oscilloscope will trigger on all horizontal
sync pulses.
1 Press the Trigger [More] key, then press the TV softkey.
2 Press the Settings softkey, then press the Standard softkey to select the appropriate
TV standard.
3 Press the Mode softkey and select All Lines.
T
RIGGERING ON 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).
1 Press the Trigger [More] key, then press the TV softkey.
2 Press the Settings softkey, then press the Standard softkey to select the appropriate
TV standard.
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