General information7Copyright © 2005 Nokia. All rights reserved.1. General informationOverview of the car phone and equipmentYour car phone is made up of several components, which aredescribed below:Car phone equipment1. Radio unit TFE-4RThe radio unit is a (E)GSM 900/1800 car telephone withBluetooth wireless technology that allows you to connect acompatible external GSM antenna and compatible externaldevices wireless by Bluetooth technology or using an RS232adapter cable.2. Display XDW-1RThe separate display comes with generously sized, easy-to-read fonts, convenient user-customisable displaypositioning and automatic backlighting that is configurablefor day- or nighttime use.3. Handset HSU-4The handset comprises a set of function elements (keys andNaviTM wheel), alphanumeric keypad, microphone, andearpiece.The handset is specially designed so that accessing keytelephone functions is made simpler for the user, allowingintuitive operation.4. Loudspeaker SP-2A separate loudspeaker is provided for top-quality audiotransmission of the acoustic signals from your car phoneand voice transmission when calls are made. Should youwish to use the loudspeakers belonging to your car radioinstead, please ask the service technician who is to installyour car phone for professional assistance as the car phonemay not be compatible with your system.5. Microphone HFM-8The handsfree microphone supplied in the sales package hasbeen tailormade for the vehicular environment. State-of-the-art technologies geared for effective echo and noisesuppression in automotive systems enable quality resultseven in poor conditions. Selecting a suitable mountinglocation may also enhance the performance of the device.See “Installation” on page 56.