4-2 Care of the Wireless Telephone and ChargersMobile Handset 110 Wireless Telephone and Desktop Charger User Guide - Revision 1• Wiping the handset surface with a water-dampened cloth or papertowel will remove most films or residues.• If the soiling is too stubborn for plain water, a mild detergentsolution may be used.• Wipe away any detergent residue with a clean water-dampenedcloth.• The Wireless Telephone may be cleaned with any general-purposehousehold glass and surface-type cleaner.• Isopropyl alcohol may be used occasionally, applied by a cloth orpaper towel.• When using alcohol, do not rub the keypad characters vigorously.Doing so will significantly degrade legibility.• Pre-treated cloths such as used for eyeglasses or cameras may beused to clean the phone. Pre-moistened towelettes may also be usedto clean the phone, however, avoid those containing lanolin or aloe asit will leave a slippery residue.• The surface of the handset may be cleaned occasionally withdisinfectants used for general cleaning in a medical environment.• Isopropyl alcohol may be used occasionally applied by a damp clothor paper towel. When using alcohol, do not rub the keypadcharacters vigorously. Doing so will significantly degrade legibility.• Do not use furniture polishes, waxes or plasticizer-based cleaners.• Do not use lanolin, aloe, glycerin or other skin care type products.• Do not apply any solvent such as acetone, mineral spirits etc.• Do not directly spray or immerse the handset.• If the headset connector becomes dirty, a scratchy or intermittentsignal may be experienced. To clean the connector, dip the non-padded end of either a wooden or paper handled cotton swab inisopropyl alcohol. Gently insert in the connector and twist, repeatingseveral times. If available, blow compressed air into the connector toclear debris.Usage TipsPlease observe the following usage guidelines:• Before you use the Wireless Telephone, the Battery Pack must becharged.• You can only use the Wireless Telephone with your facility's telephonesystem. It is not a public cellular phone.• Keep the Wireless Telephone away from your ear when it is ringing.CAUTIONDO NOT SPRAY THE HANDSET DIRECTLY!