Extech Instruments MS420 User Manual page 36

Fig. 25: Video Line trigger (screen 1)
The Video triggering menu is described in the following table.
Function menu
First screen
Polarity
Source
Sync
(Synchronization)
When the sync is Line, Field, Odd Field, Even Field, the second page is as
follows:
Fig. 26: Video Line Trigger (screen 2)
Settings Description
Normal
For video signals with low black levels
For video signals with high black levels
Inverted
CH1 Select CH1 as the trigger source
CH2 Select CH2 as the trigger source
Set synchronous trigger in video line
Line
Set synchronous trigger in video field
Field
Set synchronous trigger in video odd
Odd field
line
Even field
Set synchronous trigger in video even
line
Line NUM
Set synchronous trigger in video Line
NUM
Move to next menu
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