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Tektronix 2225 Probe Adjust

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Mat:
Hi!

I've got a Tektronix 2225 and something seems a little odd :
The probe adjust signal is a negative pulse square wave (from 0 to -0.5 V).

Can anyone tell me if this is normal? In his review, Dave only tests the probe adjust on AC coupling...

Thanks,
Greetings,
Mat

Psi:
Have you checked if the channel has invert enabled?

Mat:
I remember that this happened on both channels and there is no invert on channel 1.

TheEENerd:
Don't worry, my 2225 is doing the same.

Mat:
OK thanks!! One less thing to fix on this scope!

I am waiting for a power switch (only the black plastic rod going from the front to the mains input board on the back) and some missing case screws.

When I receive them, I'll post some pics!
Because you know what Dave says on the EEVblog : Don't turn it on, take it apart!!!

TheEENerd : Thanks again!

M.

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