You've got to boot into each game and clear the scores in the game's setup/test menu. Using the JAMMA service switch, which is the WMS 'advance' button and JAMMA TEST switch which is the WMS "auto up/manual down" switch.
There's no option to clear all the scores at once.
You've got to boot into each game and clear the scores in the game's setup/test menu. Using the JAMMA service switch, which is the WMS 'advance' button and JAMMA TEST switch which is the WMS "auto up/manual down" switch.
There's no option to clear all the scores at once.