Video Trigger - UNI-T UTD2052CL+ User Manual

Rising <
Rising <>
Descending >
Descending <
Descending <>
Time setting
High level
Threshold Low level
High-low level
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4.4 Video trigger

After the video trigger is selected, the DSO generates a trigger on the field or line of NTSC
or PAL standard video signal. Trigger coupling will be preset to DC coupling. Video trigger
menus are shown in the table below:
Function
Setting
Menu
Type Viedo
CH1
Source
CH2
Video Setting
Function
Setting
Menu
Standard PAL
The DSO generates a trigger when the slew rate of rising edge of signal is
lower than the specified slew rate.
The DSO generates a trigger when the slew rate of rising edge of signal is
higher than the specified lower-limit slew rate and lower than the specified
upper-limit slew rate.
The DSO generates a trigger when the slew rate of descending edge of signal
is higher than the specified slew rate.
The DSO generates a trigger when the slew rate of descending edge of signal
is lower than the specified slew rate.
The DSO generates a trigger when the slew rate of descending edge of signal
is higher than the specified lower-limit slew rate and lower than the specified
upper-limit slew rate.
The slope time is set at 20ns～10s, adjust the time through the multifunctional
knob on front panel.
Adjust high-level threshold of slope trigger through the LEVEL knob on trigger
control area.
Adjust low-level threshold of slope trigger through the LEVEL knob on trigger
control area.
Through the LEVEL knob on trigger control area, adjust high-level & lowl-level
threshold of slope trigger at the same time.
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Tabel 4-6 Video trigger menu
Description
Set CH1 as the triggering signal source
Set CH2 as the triggering signal source
Enter video setting menu
Table 4-6 Video setting menu
Description
Applicable to PAL video signal.
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UTD2000 Series User Manual