Balls per Game Adjustment - Playmatic of Spain MPU-1

Here is the procedure to set the number of balls on Playmatic of Spain MPU-1 tables:
 
1. Press F6 to bring up dip switch menu
 
2. For 3 balls per game, clear Dip Switch 2; for 5 balls, check Dip Switch 2
 
3. Click OK
 
4. Press F3 to reset table

This procedure should work on the following tables:

Playmatic of Spain MPU-1 tables:
Chance, Last Lap, Big Town, Party, Space Gambler

More tables will be added once they are emulated

Thanks to destruk for providing this information