Samsung SCH-N391 User Manual

Also see for SCH-N391: Quick reference card

Samsung SCH-N391 User Manual Manual pdf 71 page image

141140HHeeaalltthh aanndd SSaaffeettyy IInnffoorrmmaattiioonnGlossaryAirtime - Actual time spent talking on the wirelessphone. Most carriers bill customers based on howmany minutes of airtime they use each month.Antenna - A device for transmitting or receivingsignals. The size and shape of antennas is determined,in part, by the frequency of the signal they receive.Wireless phones and the base station must haveantennas.Base Station - The fixed radio transmitter/receiverthat maintains communications with mobile radiotelephones within a given area. (Typically called a cellor cell site)CDMA - (Code Division Multiple Access) A spread-spectrum approach to digital transmission. WithCDMA, each conversion is digitized and then taggedwith a code. The mobile phone deciphers only aparticular code to pick the right conversation off theair. The transmitted signal is just above noise levelacross the available bandwidth.Channel - Communications signals transmit alongpaths called channels.Codec - Compression & Decompression.Deactivation - The process of rendering a wirelessphone inactive.• Do not drop, knock or shake the phone. Roughhandling can break internal circuit boards.• Do not use harsh chemicals, cleaning solvents orstrong detergents to clean the phone. Wipe it with asoft cloth slightly dampened in a mild soap-and-water solution.• Do not paint it. Paint can clog the device’s movingparts and prevent proper operation.• Do not put the phone in or on heating devices, suchas a microwave oven, a stove or a radiator. Thephone may explode when overheated.• Use only the supplied or an approved replacementantenna. Unauthorized antennas or modifiedaccessories may damage the phone and violateregulations governing radio devices.• If the phone, battery, charger or any accessory is notworking properly, take it to your nearest qualifiedservice facility. The personnel there will assist you,and if necessary, arrange for service.