Nokia Wireless Boom Headset HS-4W User Guide - Page 9

4 - Volume control key: Increases/decreases the earphone volume during a call. 5 - Microphone: Picks up your voice. 6 - Answer/end key: Answers or ends the call. This key can also be used for voice dialling, redialling and switching an active call between the headset and the compatible phone. 7 - Charger connector Before you can start using the headset, you must: • Charge the battery • Pair a compatible phone with the headset I Chargers and batteries Check the model number of any charger before using it with this device. The Wireless Boom Headset HS-4W is intended for use with the following chargers: AC-1, ACP-7, ACP-8, ACP9, ACP-12, and LCH-12. Warning! Use only batteries and chargers approved by Nokia for use with this particular enhancement. The use of any other types will invalidate any approval or warranty applying to the enhancement, and may be dangerous. For availability of approved batteries and chargers, please check with your local dealer. When you disconnect the power cord of any enhancement, grasp and pull the plug, not the cord. Copyright © 2004 Nokia. All rights reserved. 9