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Example 6: video signal trigger – OWON TDS Series User Manual

Page 76

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7.Demonstration

71

Example 6: Video Signal Trigger

Observe the video circuit of a television, apply the video trigger and obtain the stable
video output signal display.

Video Field Trigger

For the trigger in the video field, carry out operations according to the following
steps:

(1) Press the TRIGGER Menu button.

(2) Select Trig Mode in the bottom menu; select Video in the left menu.

(3) Select Source in the bottom menu; select ① in the left menu.

(4) Select Modu in the bottom menu; select NTSC in the right menu.

(5) Select Sync in the bottom menu; select Field in the right menu.

(6) Turn the VOLTS/DIV, VERTICAL POSITION and SEC/DIV knobs to obtain

a proper waveform display (see Figure 7-7).

Figure 7-7 Waveform Captured from Video Field Trigger