Video Trigger - UNI-T UPO2000CS Series User Manual

UPO2000CS series User Manua
EXT、EXT/5
AC Line
>
Condition <
=
Pulse
4.0ns~10.0s
Width
Setting
Next Page
Trigger Setting Menu (2)
Functions Options
Type Pulse Width
Pulse
Positive
Width
Negative
Polarity
Trigger
Setting
——
Return
Pulse Width: The time difference between the trigger level and the positive pulse is defined as the positive
pulse width, and the time difference between the trigger level and the negative pulse is defined as the negative
pulse width, shown in the following diagram.

3.4 Video Trigger

The waveform of the video signal includes the image signal and the time sequence signal, and each kind of
signal uses different standards and formats. UPO2000CS provides the basic measurement functions, which
can be triggered in NTSC, SECAM, PAL, and other standard video formats.
Press the TRIG MENU, Press F1 to select the trigger type, set to video trigger using the multipurpose knob.
Set external trigger or external trigger/5 as the source
Set AC line as trigger
Trigger when the pulse width of the trigger signal is greater than
the pulse width setting time
Trigger when the pulse width of the trigger signal is smaller than
the pulse width setting time
Trigger when the pulse width of the trigger signal is equal to the
pulse width setting time
The pulse width time can be set from 4.0ns~10.0s using the
multipurpose knob
Enters Trigger Setting Menu (2)
Descriptions
Set positive pulse width as trigger signal
Set negative pulse width as trigger signal
Enters trigger setting menu
——
Returns to previous menu
25