User`s guide

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Triggering the Oscilloscope
To use TV triggering
To trigger on all TV line sync pulses
To quickly find maximum video levels, you could trigger on all TV line sync
pulses. When All Lines is selected as the TV trigger mode, the oscilloscope will
trigger on the first line that it finds when the acquisition starts.
1 Press the Trigger More key, then press the TV softkey.
2Press the
Settings softkey, then press the Standard softkey to select the
appropriate TV standard.
3Press the
Mode softkey and select All Lines.
Triggering on All Lines