User manual

59
UNI-T
®
UT4000 User Manual
Illustration 7 : Video signal triggering
To observe an individual video circuit, use the video trigger function to obtain a stable
display of video output signal.
Video field triggering
To trigger in the video field, follow the steps below :
1. Press [MENU] in the trigger control zone to display the trigger menu.
2. Press menu operation key [F1] then [F3] to set the type to video.
3. Press [F2] then turn the multifunction control knob to set trigger source to CH1.
Next press [SELECT] to confirm.
4. Press [F5] then [F1] to select PAL as the video standard.
5. Press menu operation key [F2] to select odd field or even field synchronization.
6. Turn the SEC/DIV
knob in the horizontal control zone to adjust horizontal time base
for a clear waveform display.
Figure 3-8 Video field triggering