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October 2014
Page
45
►
Video Trigger
Choose video trigger to trigger on fields or lines of NTSC, PAL or SECAM
standard video signals. Trig menu refer to
Figure 40.
Figure 40.
Video trigger menu.
Video menu list:
Menu
Settings
Instruction
Source
CH1
CH2
EXT
EXT/5
Channel 1 as the trigger source.
Channel 2 as the trigger source.
Use external source.
1/5 of the External Trigger Source for increasing
range of level.
Mode
Video
Sync
Line
Field
Odd Field
Even Field
Designed Line
Trigger the time base on the line of input video
signal.
Trigger the time base on the field of input video
signal.
Trigger the odd fields of input video signal.
Trigger the even fields of input video signal.
Trigger the time base on chosen line of input video
signal.
Modulation
NTSC
PAL/SECAM
Format of video signal.
Holdoff
100ns
∼
10s
Set interval by using TRIG LEVEL control, value
range from 100ns
∼
10s.
Holdoff Reset
Reset hold time to 100 ns.