Video Trigger; Video Trigger Setting - Tenma 72-2650 Operating Manual

AC
DC
Trigger
High-
coupling (F4)
frequency
rejection
Low-
frequency
rejection
Previous
page 2/2

Video trigger

72-2650/72-10510/72-8225A /72-8705A/72-8710A
DSO support video trigger compactable to NTSC or
PAL standard video signals. Trigger coupling will
automatically preset to DC coupling if the video trigger is
active. Video trigger menus are shown in the table below:
28
Block the DC component of
the triggering signal
Pass through DC and AC
components of triggering
signal
Reject high-frequency
component of the triggering
signal (over 80kHz signals)
Reject low-frequency
component of the triggering
signal (below 80kHz signals)
Go to previous page
72-2650/72-10510/72-8225A /72-8705A/72-8710A user manual
Table 2-9 Video Trigger Setting
Function Menu Settings
Type Video
CH1
CH2
EXT
Source (F2)
EXT/5
AC Line
PAL
Standards (F3)
NTSC
All lines
Synchronization (F4)
Designated
line
Description
Set CH1 as the triggering
signal source
Set CH2 as the triggering
signal source
Set external trigger input
channel as the triggering
signal source
Set external trigger source
(divided by 5) as trigger level
range (Only for 72-2650)
Set AC power line as trigger
source
Select to PAL video standard
Select to NTSC video standard
Set trigger synchronize to
video line
Set trigger to synchronize in
designated video line
number. Adjust video line
number by using the
multipurpose knob in the
upper part of front panel.