Video Trigger - UNI-T UTD2000CEX-II Series User Manual

The pulse width trigger setting menu (2) :
Descriptions
Functions Options
Type
Pulse Width
Set positive pulse as trigger signal
Positive
Pulse Width
Polarity
Negative Set negative pulse as trigger signal
Triggered when the pulse width
>
is greater than the setting time
Pulse Width Triggered when the pulse width
<
is samller than the setting time
Condition
Triggered when the pulse width
=
is equal to the setting time
The pulse width time can be set from
Pulse Width
20.0ns~10.0s by using the
20.0ns~10.0s
Setting
Multipurpose knob
Pulse Width: The time difference between the trigger level of the positive
pulse is defined as the positive pulse width, and the time difference
between the trigger level of the negative pulse is defined as the negative
pulse width, as shown in the following diagram.
Positive

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. UPO2000CEX-II provides the basic measurement functions,
which can be triggered in NTSC, PAL, and other standard video formats.
Press the TRIG MENU, Press F1 to select the trigger type, set to video
trigger mode with using the Multipurpose knob.
The video trigger menu descriptions :
Functions
Type
Source
rmat
Video
Sync
Specific
Lines
Negative
UTD2000CEX-II
Options Descriptions
Video
CH1, CH2 Set any one of the CH1,CH2 as trigger source
Uses PAL format video signals
PAL
Uses NTSC format video signals
NTSC
Set the video to sync and trigger on even field
Even field
Set the video to sync and trigger on odd field
Odd field
Set the video to sync and trigger on all lines
All lines
Specific lines Set the video to sync and trigger on specific lines
When video sync is set at specific lines, using
the multipurpose knob can adjust the number
of lines: For PAL/SECAM: 1~625 lines.
For NTSC: 1~525 lines
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