NAMCO VAMPIRE NIGHT DX Manual Del Operador página 43

The Test Switch must always be in the “OFF” position for normal game mode.
MENU
COIN OPTIONS
GAME OPTIONS
I/O TEST
MONITOR TEST
SOUND TEST
ADS DATA
OTHERS
SELECT SW：CHOOSE ENTER SW：ENTER
Used to set the price of play
Used to set the game options
Used for testing switches etc.
Used to adjust the projector
Used to set sound levels
Used to view bookkeeping
Used for factory testing the PCB