M e n u f u n c t i o n sCopyright © 2005 Nokia. All rights reserved. 49• Operator selection andAutomatic and the phoneautomatically selects one of thecellular networks available inyour area. With Manual, you canselect a network that has aroaming agreement with yourhome network operator.• Confirm SIM service actions. See"SIM services" on page 81.• Help text activation to set thephone to show or hide the helptexts.• Start-up tone to set the phone toplay or not to play a start-up tonewhen the phone is switched on.ConnectivityYou can connect the phone to acompatible device via infrared orBluetooth wireless technologyconnection. You can also define thesettings for (E)GPRS dial-upconnections.Bluetooth wireless technologyThis device is compliant withBluetooth Specification 1.2supporting the following profiles:Hands-free, headset profile, objectpush profile, file transfer profile,dial-up networking profile, SIMaccess profile, service discoveryprofile, Generic Access Profile, serialport profile, and Generic ObjectExchange Profile. To ensureinteroperability between otherdevices supporting Bluetoothtechnology, use Nokia approvedenhancements for this model. Checkwith the manufacturers of otherdevices to determine theircompatibility with this device.There may be restrictions on usingBluetooth technology in somelocations. Check with your localauthorities or service provider.Features using Bluetoothtechnology, or allowing suchfeatures to run in the backgroundwhile using other features, increasethe demand on battery power andreduces the battery life.Bluetooth technology allows you toconnect the phone to a compatibleBluetooth device up to 10 meters.Since devices using Bluetoothtechnology communicate usingradio waves, your phone and theother devices do not need to be indirect line-of sight, although theconnection can be subject tointerference from obstructions suchas walls or from other electronicdevices.