Care and maintenanceYour device is a product of superior design andcraftsmanship and should be treated with care. Thesuggestions below will help you protect your warrantycoverage.• Keep the device dry. Precipitation, humidity, and alltypes of liquids or moisture can contain minerals thatwill corrode electronic circuits. If your device does getwet, remove the battery, and allow the device to drycompletely before replacing it.• Do not use or store the device in dusty, dirty areas. Itsmoving parts and electronic components can bedamaged.• Do not store the device in hot areas. High temperaturescan shorten the life of electronic devices, damagebatteries, and warp or melt certain plastics.• Do not store the device in cold areas. When the devicereturns to its normal temperature, moisture can forminside the device and damage electronic circuit boards.• Do not attempt to open the device other than asinstructed in this guide.• Do not drop, knock, or shake the device. Rough• Use a soft, clean, dry cloth to clean any lenses, such ascamera, proximity sensor, and light sensor lenses.• Use only the supplied or an approved replacementantenna. Unauthorized antennas, modifications, orattachments could damage the device and may violateregulations governing radio devices.• Use chargers indoors.• Always create a backup of data you want to keep, suchas contacts and calendar notes, before sending yourdevice to a service facility.All of the above suggestions apply equally to your device,battery, charger, or any enhancement. If any device is notworking properly, take it to the nearest authorized servicefacility for service.Care and maintenanceC:/USERS/MODEServer/zmao/15544327/rm-49_mars/en/issue_3/rm-49_mars_en_3.xml Page 104 Feb 23, 2006 10:58