See also:

General information
The following functions are available: ▷ Use of a mobile phone as a telephone. ▷ Use of a mobile phone as an additional telephone. ▷ Use of a mobile phone as an audio source. ...

Switching on/off
Press the button. ...

Malfunction
The cooler cannot be switched on or switches off, e.g., when the cooling system overheats or if the battery voltage is low. One of the LEDs flashes. Remedy the problem 1. If necessary, allow t ...