Mr. Pinball Tip:

Brand new gas plasma displays, used on early Bally solid state machines, need a burn in period of a week or two using the high voltage of 190VDC to establish stable long-term operation. After the burn in period the voltage can be turned down all the way and then cranked up until any flicker is gone. This may be as low as 150-165VDC. The lower voltage will prolong displays. Attempting to break in a display at a low voltage may cause the display to fail within a week or two.
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