Pull the faucet housing off (1).
Use a screwdriver to set the water temperature (2). Turn the screw to the rear to make the water warmer, to the front to make it cooler.
Replace the faucet housing. Tighten the set screw.
Cleaning: Block the sensor for 5 seconds (1).
This will turn the water off for approximately 75 seconds so that the sink may be cleaned (2).