Chapter 5 Trigger System
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Base on 1080P (24Hz, 25Hz, 30Hz, 50Hz, 60Hz)
signal trigger
Trigger on the rising edge of the first tooth pulse in
odd fields
Trigger on the rising edge of the first tooth pulse in
even fields
Trigger on the rising edge of the first tooth pulse
found
Trigger on all horizontal sync pulses
Trigger on a specified line in odd or even fields
263 odd line 262
even line (NTSC)
Set CH1 as trigger channel, positive polarity, NTSC standard video, all fields trigger, and the steps are as
follows:
1) Tap “Trigger” on the main menu to open the trigger menu, select the video trigger in the trigger type, and
set the video trigger as follows, as shown in Figure 5-29:
⚫ Trigger source: CH1;
⚫ Polarity: positive;
⚫ Standard: 525/NTSC;
⚫ Trigger: All fields
2) Adjust the trigger level to ensure that the waveform can be triggered stably.