Sony Ericsson T18 User Guide - Page 84
Network, Operator, PC-Card, Phone Book, Roaming, Scroll, Select, Semi-Duplex, Service Provider - laptop
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Network. A mobile phone network or system consists of a network of cells. A radio base station serves each cell from where calls are forwarded to and received from your mobile phone by wireless radio signals. Operator. To be able to use your phone, you need a subscription to a network. You get this subscription from a network operator, together with a SIM card that you need to use with your phone. PC-Card. Also called PCMCIA. The PC-card can act as a modem and connect your mobile phone to a laptop or organizer, enabling data and fax transmission. The thin type II card is the most common size. Type III is a thicker card and can house more than modem functionality. Phone Book. A memory in your mobile phone where phone numbers can be stored and accessed by name (alpha memory search) or position. PIN. Personal Identification Number - a code used for all GSM-based phones to establish authorization for access to certain functions or information. The PIN code comes with your subscription. PIN2. Personal Identification Number 2 - an authorization code which is used only for special services. PUK. Personal Unblocking Key - used to unlock a blocked SIM card. This comes with your subscription. Roaming. Within your home network, this means that your mobile phone automatically sets up communication procedures with different radio base stations when on the move. Scroll. The word "scroll" in this manual means pressing the left or right arrow key to move between the menus. Select. The word "select" in this manual means scrolling to a menu or function then pressing the Y ES key. Semi-Duplex. In handsfree equipment, full duplex means that the connection is open for both parties to talk simultaneously. Semi-duplex gives close to, but not complete, duplex functionality. Service Provider. A company that provides services and subscriptions to mobile phone users. Short Message Service (or SMS) allows messages of up to 160 characters to be sent and received via the network operator's message centre to your mobile 84 Glossary