Most likely is the decal switch. Did you try to clean it, adjust it or replace it?
I am working on a MV-40B and the X-axis is .393 off. I have already done re-reference on the X with no luck. I then did a grid shift and it didn't make a difference. Any clue what this could be?
Most likely is the decal switch. Did you try to clean it, adjust it or replace it?