S e t t i n g s54 Copyright © 2006 Nokia. All rights reserved.Menu > Settings >Connectivity > Bluetooth >Bluetooth settings > My phone'svisibility or My phone's name.Operating the phone in hiddenmode is a safer way to avoidmalicious software.Do not accept Bluetoothconnectivity from sources you donot trust.As another alternative, - switchoff the Bluetooth functionality.This will not affect otherfunctionalities of the phone.InfraredYou can send or receive data to orfrom a compatible phone or datadevice (for example, a computer)through the infrared (IR) port ofyour phone. To use an IRconnection, the device with whichyou want to establish aconnection must be IrDAcompliant.Do not point the IR (infrared) beamat anyone's eye or allow it tointerfere with other IR devices.This device is a Class 1 laserproduct.When sending or receiving data,ensure that the IR ports of thesending and receiving devices arepointing at each other and thatthere are no obstructions betweenthe devices.To activate the IR port of yourphone, select Menu > Settings >Connectivity > Infrared.To deactivate the IR connection,select Menu > Settings >Connectivity > Infrared. When thephone displays Deactivateinfrared?, select Yes.If data transfer is not startedwithin 2 minutes after theactivation of the IR port, theconnection is canceled and mustbe started again.IR connection indicatorWhen is shown continuously,the IR connection is activated, andyour phone is ready to send orreceive data through its IR port.When blinks, your phone istrying to connect to the otherdevice, or a connection has beenlost.Packet dataWCDMA and general packet radioservice (GPRS) are networkservices that allow mobile phonesto send and receive data over anInternet protocol protocol(IP)based network. WCDMA andGPRS are data bearers that enable