UNI-T UT 4000 Series Manual do Utilizador descarregar pdf (Página 70)

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

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UNI-T UT 4000 Series Manual do Utilizador Página 70