problems with monitor "jumping"on a new astro city cab

r2-2d

n00b
Joined
Jan 9, 2003
Posts
32
Hello,
I'm having problems with my new astro city cab which has a multi sync sega monitor. When i'm playing on my 4 slot mvs for a while the picture start jumping up and down slightly. I also have a 2 slot mvs and this one is even worse , it jumps up and down constantly and scrolling up and down. Using "vertical hold " on my monitor sometimes helps for only just a while, then it starts jumping up and down again.
As i'm new to arcade gaming i don't know what to do , has anyone any suggestions ?
 
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