User manual

RIGOL Chapter 5 To Trigger the Oscilloscope
5-26 MSO2000A/DS2000A Users Guide
Tips
For a better observation of the waveform details in the video signal, you can
set a larger memory depth first.
In the trigger debugging process of video signals, the frequency in different
part of the signal can be reflected by different brightness as RIGOL digital
oscilloscopes provides the multi-level gray scale display function.
Experienced users can quickly judge the signal quality and discover
abnormalities.