Now that you mention it....those lights you mentioned are on...all three =
of them!  If they are "on" then the red knob is not actually calibrating?  =
Oh man...I'm going to go nuts with this thing!

>>> A.B.Pearce@RL.AC.UK 12/24/03 08:10AM >>>
>So If I have 1 kHz calibration signal is should be set to
>.1ms....then the entire screen....left to right would be
>1 full ms...right?

Correct. The time per division is done as time per major division.

>If it cycles once per Ms it should rise on one half
>of the screen and go low on the other half.

Correct.

>But this is not the case....I adjusted the signal width both
>ways at .1ms and it won't fill the screen no matter how much
>I adjust.

There is a variable control on the time base setting, IIRC the knob that =
is
concentric with the time/div switch. Make sure this is in the calibrated
position. If it is not, then the time/div will always be longer. The
variable control has a detent on the calibrated end of its travel so that =
it
will always lock in and not be easily moved off. There may also be an
indicator lamp near the time/div calibration to show when the variable =
knob
is off the calibrated position.

With the variable knob locked in the calibrated position you should then =
be
able to adjust the screwdriver adjustment to calibrate the timebase.

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