>The effect is obtained by using the CH1 trigger pulse to start a delay
>(adjusted by the 10-turn pot). When that expires the 2nd trace is released
>and scans with a speed set by the 2nd timebase switch. Thus you have a
>zoomed in portion on the CH1 signal and you can set its width and position
>separately.

Exactly.  Note, however, there are a very few true dual beam (CRT has two
guns) analog scopes around that can show a single shot event at two
different sweep rates.  My Tek 556 is built this way--it's a blast to use!


newell

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