Warning, do not attempt to turn the drum by hand.
This would cause irreversible damage to the mechanism.

Programming the Feeder

Left Side Display                      Frequency of feeding
3 ..........................................................8 times daily
4 ..........................................................6 times daily
6 ..........................................................4 times daily
8 ..........................................................3 times daily
12 ............................................................twice daily
24 .............................................................Once daily
48 ..........................................Once every two days

Right Side Display = Rotations
Can be set from 1 to 3 Rotations

So a display setting of 12 - 1 would be:
Feeding Twice per day - One rotation

Light Sensor

The red button controls the light sensor.  If the button is not pressed, the sensor is activated and no feed is distributed during the night.  If the button is pressed, the sensor is deactivated and the feed is also distributed at night.