Setting up the trigger

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27 Oct 2010
Posts: 27

How would you set up to trigger on channel A after it has been at 5v for 2mS.

Thanks

27 Oct 2010
Posts: 396

Hello Gary,
I am assuming you want to trigger on a high going pulse that lasts 2 ms, and it reaches at least 5V.
1. For this simple case, use View/Display Trigger 2 Settings, and make sure 'Trigger 1 inverted' is selected as the Trigger 2 source.
2. Set the Trigger 1 level to a useful threshold, eg 4.5V (it needs to be at least one minor division lower than the minumum high going voltage).
3. If you want to capture any high going pulse longer than 2ms, set the Trigger 1~2 Use to 'Trig 1~2 > max' on the control panel.
4. Set max to 2m.
That should do it.

If you wanted to trigger on pulses that were in the range 2ms to 2.5ms say:
3. Set the Trigger 1~2 Use to 'min < Trig 1~2 < max' on the control panel.
4. Set min to 2m and max to 2.5m

I hope this helps.
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