Williams Sound - 16P-3001-103 R-T

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Contents

16P 3001 103 R T July 1981 ELECTRONICS INC A This booklet provides operation auditing adjustment and diagnostics for DEFENDER POWER TURN ON With power first applied a sound is produced general illumination comes on and random patterns appear on the CRT as the game sequences through RAM ROM and battery checks The game then comes up in game over Messages are displayed for RAM or ROM failures refer to Power Up and Reset RAM ROM Tests If the game comes up in Bookkeeping turn the game OFF and back ON a If the game now sequences through the tests and then comes up in game over the bookkeeping totals have been reset to zero b If the game still comes up in bookkeeping open coin door and turn the game OFF and ON The game will now sequence thr ...