Re: A possibly sick 7904A


Chuck Harris
 

Indeed, but that didn't stop the tek engineers from trying
to make FOCUS a universal control that worked equally well
on both beams, and the readout.

They failed, of course, but got a pretty good compromise that
worked on most normal intensity levels.

You have to get the internal controls adjusted right, though...

-Chuck Harris

teamlarryohio wrote:

If focus stayed constant irrespective of beam intensity, there would have been no need for a front panel focus control.
-ls-



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