User Manual

102
Set trigger menu
3.13.4 Video trigger
Triggering on video signal field or line supports PAL, SECAM, NTSC, 720P, or1080P standard.
It can trigger on different voltage scale, and users can adjust voltage gear to view waveform.
Video trigger menu descriptions are shown in the table below：
Trigger selections
Setting
Descriptions
Trigger source
Ch1
Set Ch1 as trigger signal source
Ch2
Set Ch2 as trigger signal source
Polarity
Positive
Set signal positive polarity trigger
Negative
Set signal negative polarity trigger
Standard
625/PAL
Base on PAL standard
SECAM
Base on SECAM signal trigger
525/NTSC
Base on NTSC signal trigger
720P (50Hz, 60Hz)
Base on 720P(50Hz, 60Hz) signal trigger
1080I (50Hz, 60Hz)
Base on 1080I (50Hz, 60Hz) signal trigger
1080P (24Hz, 25Hz
Base on 1080P (24Hz, 25Hz, 30Hz, 50Hz, 60Hz) signal