Disc of Tron, Bally Midway 1983
-------------------------------

Option Switch Settings

Switch No. 1 - At B 3 - Located on sound I/O P.C. board

Switch             1    2    3    4    5    6    7    8    9    10
During game play:  na   na   na   na   na   na        na   na
Upright / Mini                                   ON
Cocktail                                         OFF
Freeze Video                                                     ON
Normal                                                           OFF

Switch No. 3 - At D 14 - Located on sound I/O P.C. board

Switch            1    2    3    4
Normal            OFF
Sound I/O Diag.   ON
Normal                 OFF
RAM/ROM Test           ON     (Indicates test results via yellow LED on I/O board
                               Fast Flash = bad ROM - Slow Flash = bad RAM)
Normal                      OFF
Oscillator Test             ON
Normal                           OFF
Filter Test                      ON

Note: SW#2 has no effect if SW#1 is in the OFF position

