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SHS800X&SHS1000X User Manual
70
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Video Trigger
Video triggering can be used to capture the complicated waveforms of most
standard analog video signals. The trigger circuitry detects the vertical and
horizontal interval of the waveform and produces triggers based on the video
trigger settings you have selected.
The oscilloscope supports standard video signal field or line of NTSC (National
Television Standards Committee), PAL (Phase Alternating Line) HDTV (High
Definition Television) and custom video signal trigger.
1. Press the
Trigger Setup button on the front panel to enter the TRIGGER
function menu.
2. Press the Type softkey; then turn the Universal Knob to select Video and push
down the knob to confirm.
3. Press the Source softkey; turn the Universal Knob to select CH1 or CH2 as the
trigger source. The trigger level is automatically set to the sync pulse.
4. Press the Standard softkey to select the desired video standard. The
oscilloscope supports the following video standards.
Standard
Type
Sync Pulse
NTSC
Interlaced
BI-level
PAL
Interlaced
BI-level
HDTV 720P/50
Progressive
Tri-level
HDTV 720P/60
Progressive
Tri-level
HDTV 1080P/50
Progressive
Tri-level
HDTV 1080P/60
Progressive
Tri-level
HDTV 1080i/50
Progressive
Tri-level
HDTV 1080i/50
Progressive
Tri-level
Custom
The table below shows the parameters of the Custom video trigger.
Frame Rate
25Hz, 30Hz, 50Hz, 60Hz
Of Lines
300~2000
Of Fields
1, 2, 3, 4
Interlace
1:1, 2:1, 4:1, 8:1
Trigger Position
Line
Field
(line value)/1
1
(line value)/2
2
(line value)/3
3
(line value)/4
4
(line value)/5
5
(line value)/6
6
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