Chapter 2 - Getting started 2-12. Getting startedWhen you open the sales package, check that itcontains the following:• Nokia 9000 Communicator• This User’s Manual and the combined QuickGuide and Accessories Guide• High Power Battery BLK-4S, see the Acces-sories Guide• Adapter PAR-1, see the Accessories Guide• AC charger, see the Accessories Guide• Software for PC connectivity and a list of ATcommands on a diskette (see chapter 10"System: Connecting to a PC")• A sticker with the communicator’s serialnumber and the lock code (see chapter 10"System: Security")• For information about other Nokia 9000Communicator accessories, see the Acces-sories GuideThis chapter covers the following topics:• How to install a valid SIM card, see "SIM card"• How to supply power to the communicator,see "Connectors" and "Battery"• How to personalise your communicator, see"First start-up"• How the communicator operates, see"Communicator interface" and "Communi-cator applications"SIM cardA valid miniature plug-in SIM card is required formaking and receiving calls. The card is suppliedby your network operator or service provider.The SIM card contains all information the cellu-lar network needs for identification of the net-work user. The network operator or serviceprovider may prevent the use of the communica-tor with any other but the operator’s or provid-er’s own SIM cards. If an unacceptable SIM cardis inserted, the message INVALID SIM CARD willbe displayed. Should this happen, contact yourdealer or network operator.Note: Keep all miniature SIM cards out of smallchildren’s reach.Before installing the SIM card, close the devicecover if it is open and switch off the phone inter-face (use ): Remove the battery: Press the catch (1) at thebottom of the battery (2) and lift away thebattery (figure 2-1).Figure 2-1getting.frm Page 1 Thursday, January 16, 1997 4:09 PM