Page 11 - WilliamsMidway WPC 91 Schematics 16-9289

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W'PC!
Control Locations
Coin Door Switches
The operator controls all game adjustments, obtains bookkeeping information, and diagnoses
problems, using four pushbutton switches mounted on the inside of the coin door. The Coin Door
Switches have two modes of operation Normal Function and Test Function .
Normal Function
The Service Credits switch puts credits on the game that are in a separate audit from coins.
The Yolume Up switch raises the sound level of the game. Press and hold the button until the
desired level is reached .
The Yolume. Down switch lowers the sound level of the game. Press and hold the button until the
desired level is reached. See Adjustment
A
1 28 to shut sound
Off
completely.
The Begin Test switch starts the Menu System Operation and changes the Coin Door Switches from
Norma} Function to Test Function .
Test Function
The Escape switch allows you to get out of a menu selection or return to the Attract Mode. When
changing a game adjustment, pressing the Escape switch while "Saving New Adjustment" is
displayed disregards the new adjustment value and retains the original adjustment value.
The
!J.n.
switch allows you to cycle forward through the menu selections or adjustment choices.
The Down switch allows you to cycle backward through the menu selections or adjustment choices .
The Enter switch allows you to get into a menu selection or lock in an adjustment choice.
Coin Door Switches
NORMAL MODE FUNCTION
I
ESCAPE -
+
ENTER
I
I
TEST MODE FUNCTION
I
The Interlock Switch located inside the coin door, allows the operator to adjust the volume level
during the Sound and Music Test. During the Sound and Music Test press and hold the Interlock
Switch while using the Up and Down buttons to adjust the volume level.
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