User’s Manual of OWON Colour Digital Storage Oscilloscope
44
the external trigger level range.
Sync
Line
Field
Odd field
Even field
Designed Line
Set a trigger level synchronization in the video line.
Set a trigger level synchronization in the video field.
Set synchronous trigger in the video odd field.
Set synchronous trigger in video even field.
Set synchronous trigger in designer line.
Modulation
NTSC
PAL/SECAM
Set synchronization and account choose video
standard.
Go to next menu.
Back to previous menu.
HoldOff 100ns～10s
Adjust “TRIG LEVEL” key to set time slot before
another trigger event.
HoldOff
Reset
Reset hold time to 100ns.
The operation steps for setting Channel 1 in Video Trigger Mode are as below:
1. Press the TRIG MENU button and get access to the trigger menu.
2. Press the F1 menu selection button and choose Video for Type.
3. Press the F2 menu selection button and choose CH1 for Source.
4. Press the F3 menu selection button and choose Field for Sync. The screen display is
shown as Fig.34.
Fig.34 Wave Form Triggered in the Video Field
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