Last Updated on 7 April 2021

When the coin is deposited, the select glass C will light up, and the program panel B is ready for use:

The program panel shows fourty selections on every panel. There are three seperate panels, which can be selected by pressing the program change button A.

By depressing the program change button, a circuit A is closed to the motor, and the program change motor B starts to rotate, until switched off by the a 5 blade switch in the three groove cam C, after a 120 degree rotation.

Once stopped, the switch lever assemblies D – G are in a fixed position (see diagram below).

The combination of switches D and F determine the position of the program panel by a notch in the wheel, and activates the first 20 selections on the corresponding panel.
Switches E and F activate the last 20 selections on one of the three selection panels.

The diagram below shows all possible switching:

By choosing one of the fourty selection buttons on the program panel, a selection on the selector unit assembly is made

Information is copied from www.kuijs.net/rock-ola