Rigol DS1000CA series Guia do Utilizador descarregar pdf (Página 127)

RIGOL

User‟s Guide for DS1000CA Series

3-11

Triggering on the Video Lines

1. Press the MENU key in the Trigger control area to see the trigger menu.

2. Press Mode to select Video.

3. Press Source to select CH1 as trigger source.

4. Press Polarity to select .

5. Press Sync to select Line Num.

6. Turn ( ) knob to trigger on a specified line number.

7. Adjust the to set trigger level at the video sync pulse to get a stable

trigger.

8. Turn the horizontal knob to observe a complete waveform on the

screen.

Figure 3-8 Waveform display

1 2 ... 122 123 124 125 126 127 128 129 130 131 132 ... 145 146

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Rigol DS1000CA series Guia do Utilizador Página 127