Nokia 3720 Classic User Manual

Also see for 3720 classic: Service manual Service schematics

Nokia 3720 Classic User Manual Manual pdf 52 page image

• Do not paint the device. Paint can clog the moving partsand prevent proper operation.• Use only the supplied or an approved replacementantenna. Unauthorised 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.• To reset the device from time to time for optimumperformance, power off the device and remove thebattery.These suggestions apply equally to your device, battery,charger, or any accessory. If any device is not workingproperly, take it to the nearest authorised service facility forservice.RecycleAlways return your used electronic products, batteries, andpackaging materials to a dedicated collection point. This wayyou help prevent uncontrolled waste disposal and promotethe recycling of materials. More detailed information isavailable from the product retailer, local waste authorities,national producer responsibility organisations, or your localNokia representative. Check how to recycle your Nokiaproducts at www.nokia.com/werecycle, or if browsing on amobile device, www.nokia.mobi/werecycle.Additional safety informationMagnets and magnetic fieldsKeep your device away from magnets or magnetic fields.Small childrenYour device and its accessories may contain small parts. Keepthem out of the reach of small children.Operating environmentThis device meets RF exposure guidelines when used eitherin the normal use position against the ear or when positionedat least 1.5 centimetres (5/8 inch) away from the body. Whena carry case, belt clip, or holder is used for body-wornoperation, it should not contain metal and should positionthe device the above-stated distance from your body.To transmit data files or messages, this device requires aquality connection to the network. In some cases,transmission of data files or messages may be delayed untilsuch a connection is available. Ensure the above separationdistance instructions are followed until the transmission iscompleted.Medical devicesOperation of any radio transmitting equipment, includingwireless phones, may interfere with the functionality ofinadequately protected medical devices. Consult a physicianor the manufacturer of the medical device to determine ifthey are adequately shielded from external RF energy or ifyou have any questions. Switch off your device in health carefacilities when any regulations posted in these areas instructyou to do so. Hospitals or health care facilities may be usingequipment that could be sensitive to external RF energy.Implanted medical devicesManufacturers of medical devices recommend that aminimum separation of 15.3 centimetres (6 inches) should bemaintained between a wireless device and an implantedmedical device, such as a pacemaker or implantedcardioverter defibrillator, to avoid potential interferencewith the medical device. Persons who have such devicesshould:• Always keep the wireless device more than 15.3centimetres (6 inches) from the medical device whenthe wireless device is turned on.• Not carry the wireless device in a breast pocket.• Hold the wireless device to the ear opposite the medicaldevice to minimise the potential for interference.• Turn the wireless device off immediately if there is anyreason to suspect that interference is taking place.• Read and follow the directions from the manufacturerof their implanted medical device.If you have any questions about using your wireless devicewith an implanted medical device, consult your health careprovider.Hearing aidsSome digital wireless devices may interfere with somehearing aids. If interference occurs, consult your serviceprovider.VehiclesRF signals may affect improperly installed or inadequatelyshielded electronic systems in motor vehicles such aselectronic fuel injection systems, electronic antiskid(antilock) braking systems, electronic speed control systems,and air bag systems. For more information, check with themanufacturer, or its representative, of your vehicle or anyequipment that has been added.Only qualified personnel should service the device or installthe device in a vehicle. Faulty installation or service may bedangerous and may invalidate any warranty that may applyto the device. Check regularly that all wireless deviceequipment in your vehicle is mounted and operatingproperly. Do not store or carry flammable liquids, gases, orexplosive materials in the same compartment as the device,its parts, or accessories. For vehicles equipped with an air bag,remember that air bags inflate with great force. Do not place52 Additional safety information© 2009 Nokia. All rights reserved.52