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Video Line Trigger
For the trigger in the video line, please operate according to the following steps:
1.
Push down the TRIG MENU button to display the trigger menu.
2.
Press the F1 menu selection button and choose Video.
3.
Press the F2 menu selection button and choose Normal for Polarity.
4.
Press the F3 menu selection button and choose CH1 for Source.
5.
Press the F4 menu selection button and choose Line for Sync.
6.
Adjust the VOLTS/DIV, VERTICAL POSITION and SEC/DIV knobs to obtain the proper wave form
display (see Fig. 61).
Autoscale
The function is applied to follow-up signals automatically even if the signals change at any time. Autoscale
enables the instrument to set up trigger mode, voltage division and time scale automatically according to the
type, amplitude and frequency of the signals.
Fig. 61 Wave Form Obtained from the Video Line Trigger
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