Balls per Game Adjustment - Williams System 11 and 11A

Here is the procedure to set number of balls on Williams System 11 and 11A tables.
 
1. Press 9 to enter diagnostic mode.
 
2. Press 8 to enter test mode.
 
3. Press 7 then press 8 to go to second test.
 
4. Continue to press 8 until you see Balls/Game in the first two player displays
 
5. Press and hold the 1 key to select the number of balls (1 through 9)
 
6. Press F3 to save your changes and reset the table.

This procedure should work for the following tables:

Williams System 11 tables:
High Speed, Grand Lizard, Road Kings

Williams System 11A tables:
Pin*Bot, Millionaire, F-14 Tomcat, Fire!, Fire! Champagne Edition, Big Guns (11A versions)

This procedure should also work on Geiger conversion kit La Retata.