Re: Tektronix 2445 - trace doesn't go to the left edge.

Mattis Lind

Den tors 29 nov. 2018 kl 05:01 skrev Chuck Harris <>:

Does the readout display in the proper position?
I cannot tell for sure if the readout are in the correct positions. However
if I look on images on the net for Tektronix 2445 my readout seems to be
slightly more to the left. Compare my scope:

With this scope:


Commenting on what machineguy59 wrote, it may very well be a general
calibration problem, maybe I should check for some kind of general
calibration procedure?

-Chuck Harris

machineguy59 via Groups.Io wrote:
There is an adjustment on the mainboard that "centers" the horizontal
display. It may also effect the readout, moving everything as a whole.
These are usually adjusted during calibration. It concerns me that yours
seems to have drifted. That drift may indicate other problems with the
calibration of the scope.
On ‎Wednesday‎, ‎November‎ ‎28‎, ‎2018‎ ‎05‎:‎27‎:‎26‎ ‎PM‎ ‎CST,
Mattis Lind <> wrote:

I have this nice tektronix 2445. It works quite well, but it has one
small annoyance. The trace doesn't go to left edge, regardless of setting
of position knob.

Is this something that can be corrected?


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