WG K7000 arcade monitor won't center

[actman]

When I play a Mame game at its proper resolution I can't seem to move (center ) it on the screen.
My pot will turn all the way moving the screen top up to about 1" from the top.
I can move it down but won't go up far enough . I think it's called Vertical Rastor position .
I am using an Arcadevga card. Is this a resolution issue I can set or something needs fixing on my monitor?

[lilshawn]

give the "50/60hz" pot a tweak. that should get you lined back up again. they can get out of whack.

[actman]

I will try that on Monday. Hope that does the trick. I put back the Marvel vs Capcom consol that came in the cabinet and it has the same issue.