G e t t i n g s t a r t e d12■ Chargers and batteriesCheck the model number of any charger before using itwith this device. The headset HS-21W is intended for usewith the following chargers: AC-1, ACP-12, and LCH-12.Warning: Use only batteries and chargersapproved by Nokia for use with this particularenhancement. The use of any other types mayinvalidate any approval or warranty, and may bedangerous.For availability of approved enhancements, please checkwith your dealer. When you disconnect the power cord ofany enhancement, grasp and pull the plug, not the cord.■ Removing and installing the batteryBefore removing the back cover, always switch off thepower, and disconnect the charger from the device. Alwaysstore and use the device with the back cover attached.9236329_HS-21W_1_en.fm Page 12 Monday, November 1, 2004 1:54 P