Charging External USB Devices
You can use the USB port to increase the battery runtime of various battery-operated USB devices, e.g. mobile phones, MP3 players or tablets.
- Ensure that your external USB device can be charged using the USB port. Refer to the specifications related to this topic in "Technical data".
- Plug the charging cable of your USB device into the USB socket (3).
- Press the on/off button to activate.
To save energy, the USB port is automatically deactivated after approx. 2 hours once charging is complete or the charging cable has been disconnected.