S e t t i n g s55Security keyguard — to set the phone to ask for the security code whenyou unlock the keyguard. Enter the security code, and select On.When the keyguard is on, calls still may be possible to the official emergencynumber programmed into your device.Cell info display > On — to receive information from the networkoperator depending on the network cell used (network service)Welcome note — to enter a welcome note to be shown briefly when thephone is switched onOperator selection > Automatic — to set the phone automatically toselect one of the cellular networks available in your area. With Manual,you can select a network that has a roaming agreement with your homenetwork operator.Confirm SIM service actions — See “SIM services,” p. 90.Help text activation — to select whether the phone shows help textsStart-up tone — to select whether the phone plays a start-up tone whenthe phone is switched on■ ConnectivityYou can connect your phone to compatible devices using an infraredconnection. You can also define the settings for packet data dial-upconnections.InfraredYou can send or receive data to or from a compatible phone or datadevice (for example, a computer) through the infrared (IR) port of yourphone. To use an IR connection, the device with which you want toestablish a connection must be IrDA compliant.Do not point the IR (infrared) beam at anyone's eyes or allow it to interfere withother IR devices. Infrared devices are Class 1 laser products.When sending or receiving data, ensure that the IR ports of the sendingand receiving devices are pointing at each other and that there are noobstructions between the devices.