Samsung SCH-N345 User Manual

Also see for SCH-N345: Quick reference card

Samsung SCH-N345 User Manual Manual pdf 53 page image

104 105HHeeaalltthh aanndd SSaaffeettyy IInnffoorrmmaattiioonn• Do not paint the phone. Paint can clog the device’smoving parts and prevent proper operation.• Do not touch the terminals on the battery or chargerwith wet hands. Doing so may give you an electronicshock or cause explosion. Touching the plug of thecharger with wet hands may give you an electronicshock or cause a fire.• 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.GlossaryAirtime - Actual time spent talking on the wirelessphone. Most carriers bill customers based on how manyminutes 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/receiver thatmaintains communications with mobile radio telephoneswithin a given area. (Typically called a cell or cell site)CDMA - (Code Division Multiple Access) A spread-spectrum approach to digital transmission. With CDMA,each conversion is digitized and then tagged with acode. The mobile phone deciphers only a particular codeto pick the right conversation off the air. The transmittedsignal is just above noise level across the availablebandwidth.Channel - Communications signals transmit along pathscalled channels.Codec - Compression & Decompression.Deactivation - The process of rendering a wirelessphone inactive.DTMF - (Dual-Tone Multi-Frequency ) You send DTMFsignals when you enter numbers by pressing the digitkeys.