Rigol DS1000M Guía de usuario descargar pdf (Pagina 146)

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3-10 © Copyright RIGOL Technologies, Inc. 2007.

User’s Guide for DS1000 Series

Example 7: Triggering on a Video Signal

Test a video circuit in the DVD set. Use video trigger to obtain a stable display.

Triggering on Video Fields

To trigger on the video fields, please do as the following steps:

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

2 Press Mode to select Video mode

3 Press Source to select CH1 as trigger source

4 Press Polarity to select

5 Press Sync as Odd Field or Even Field

6 Adjust the

to set trigger level at the video sync pulse to get stable

trigger.

7 Turn the horizontal

knob to see a complete waveform on the screen.

Figure 3-7

DS1000 series can trigger on the appointed Odd field or Even field, so as to avoid

mix up when Odd field and Even field trigger simultaneously. Just choose Odd field

or Even field as the fifth step above.

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Rigol DS1000M Guía de usuario Pagina 146