Video Trigger - Rigol DS4024E User Manual

Chapter 5 Trigger

Video Trigger

Video trigger is used to capture the complex waveforms of standard video signal. The
trigger circuit checks the horizontal and vertical intervals of the waveform and
triggers according to the video trigger setting.
DS4000E supports the following video standards.
NTSC (National Television Standards Committee);
PAL (Phase Alternating Line);
SECAM (Sequential Couleur A Memoire);
HDTV (High Definition Television).
Press MENU (in the trigger control area (TRIGGER) at the front panel)  Type, turn
the multi-function knob
Type continuously to switch to "Video" trigger.
At this point, the trigger setting information (include the trigger type, trigger source
and trigger level, as shown in the figure below) is displayed at the upper-right side of
the screen and changes with the trigger setting.
1. Specify the trigger source and adjust the trigger level
Press Source to select CH1 to CH4 (please refer to "Trigger Source").
1)
The trigger source currently selected is displayed at the upper-right side of
the screen.
Note: Channels that are turned off can also be selected as the trigger
source.
2) Turn TRIGGER
"Trigger Level"). The current trigger level is displayed at the upper-right
side of the screen.
2. Specify the video polarity
Press Polarity to select
3. Specify the sync trigger mode
Press Sync, turn the multi-function knob
mode and press the knob. You can also press Sync continuously to switch the
DS4000E User's Guide
to select "Video" and press the knob. You can also press
LEVEL to adjust the trigger level (please refer to
(positive polarity) or (negative polarity).
to select the desired sync trigger
RIGOL
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