Trigger
61
Figure 9.14
Triggering on a Specific Line of Video
Use a Custom Video Trigger
Custom video triggering supports frame rate of 25Hz, 30Hz, 50Hz and 60Hz, and the line range is available from 300 to
2000. The steps below show how to set custom trigger.
1.
Press the
Setup
key on the front panel to open the trigger menu.
2.
In the trigger menu, touch the
Type
, and select
Video
.
3.
Touch the
Source
and select
CH1
as the trigger source.
4.
Touch the
Standard
and select the
Custom
.
5.
Touch the
Custom Setting
to open the custom setting menu, touch the
Interlace
to select the required interlace
ratio (assuming that the interlace ratio is 8:1). Then set the frame rate, select the number of lines and the number
of fields.
6.
Touch the
Sync
to select the synchronization mode for the input signal:
a.
Select the
Any
mode, and the signal can be triggered on any line that meets the trigger condition.
b.
Select the
Select
mode, then set the specified line and the specified field to trigger the signal. Assuming that the
Field
is set to 8, you can select any field from 1 to 8, and each field can choose any line from 1 to 100.
