User’s manual NAVIGON 81xxBefore you begin - 11 -Caution! After installation, check all safety-relevant equipment in thecar.Caution! Connect the car charger cable only to 10-30V cigarettelighters.Caution! Disconnect the car charger cable from the cigarette lighterwhenever you park the car. The integrated mains adapter alwaysconsumes a small amount of energy and could drain the car battery.2.4 Preparing the NAVIGON 81xx for use2.4.1 Assembling the mains adapterThe mains adapter has an operating voltage of 100~240V. Severaldifferent plug adapters are provided. Charging the navigation devicewhen abroad is therefore no problem.► Push the correct plug adapter for the country in question into theslot on the mains adapter until it locks in place.2.4.2 Charging the rechargeable batteryIt is possible that the rechargeable battery is not fully charged when youunpack the navigation device. We recommend that you fully charge thebattery before using the device for the first time.► Connect the mains adapter to the navigation device and to a mainssocket.Note: Without delay, plug the USB connector into the navigation deviceas far it will go! (See "Troubleshooting" on page 68)During charging, the LED on the bottom of the NAVIGON 81xx shineswith an orange light.The LED goes out again when the NAVIGON 81xx is fully charged.Note: When the bluetooth function of the NAVIGON 81xx is active, theLED shines with a blue light. This is also the case during charging.For detailed information refer to chapter "Handsfree Module" onpage 51.Note: It takes approx. 4-5 hours to charge the device when the batteryis flat.