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40
Coupling
AC
DC
HF
LF
Block the direct current component.
Unblock all components.
Block the high-
frequency signal and only unblock the
low-frequency component.
Block the low-frequency signal and onl
y unblock the high
-frequency component.
Holdoff
100ns
～
10s
Set interval by using TRIG LEVEL control, value range from
100ns
～
10s.
Holdoff
Reset
Reset hold time to 100ns
Video Trigger
Choose video trigger to trigger on fields or lines of NTSC, PAL, or SECAM standard
video signals. Trig menu refer to Fig.5-20
Fig. 5-20 Video trigger menu
Video menu list
MENU
SETTING
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 100ns
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