9Cleaning Battery ContactsTo maintain a good charge, it is important to clean all battery contacts on the handset and baseabout once a month. Use a dry cloth or, if necessary, use a pencil eraser. Do not use any liquids orsolvents.Beltclip Installation1. Insert the beltclip into the holes on each side of the handset.2. Press down firmly until it clicks into the holes.3. To remove the beltclip, pull both sides of the beltclip out of the holes.Headset InstallationYour telephone can be used with an optional headset. To use this feature, simply plug the headsetinto the headset jack on the handset. Your telephone is ready for handsfree conversation.Dterm Cordless Lite II is hearing aid compatible.OPTIONAL AVAILABLE PARTSPart Description Stock NumberEXP 9360 Wall Mount for Charger Unit 730633EXP 9385 Charger 730632EXP 9302 Beltclip 730634BT-930 Battery (NiMH, DC 3.6V 750 Mah) 730631EXP 9660 Wall Mount for Base 730608EXP 9704 AC Adapter for Base Unit 730618AD0970 AC Adapter for Charger Unit 730619M175 NEC Cordless Headset 750637M145 NEC Cordless Headset 750638