User Manual

56
Table 3.21 - Video Trigger Function Menu 2
Option
Setting
Description
Type
Video
When you select the video
type, put the couple set to the
AC, then you could trigger the
NTSC, PAL and SECAM video
signal.
Standard
NTSC
Pal/Secam
Select the video standard for
sync and line number count.
Mode
Auto
Use this mode to let the
acquisition free-run in the
absence of a valid trigger; This
mode allows an untriggered,
scanning waveform at 100
ms/div or slower time base
settings.
Normal
Use this mode when you want
to see only valid triggered
waveforms; when you use this
mode, the oscilloscope does
not display a waveform until
after the first trigger.
Single
When you want the
oscilloscope to acquire a single
waveform, press the “SINGLE”
button.
Set up
Enter the “Trigger setup
menu”.
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