Navigation in the input field Handsfree key Switch from "earpiece" to handsfree mode Lights up: Handsfree is activated Flashes: incoming call, automatic last number redial Key 1 Answering machine (hold down) Star key Ringer on/off (press for Charge status = flat U fully charged = flashes: battery is almost flat or is charging Current functions and display keys The display keys give you access to the functions shown in the display. End call key, On/Off key End call Cancel function Return to idle status (hold down) Handset on/off (in idle status, hold down) � Internal 11 20. 03 V 09:45 � �������SMS������ Message key Access to SMS, calls approx. 2 seconds) list, answering machine (on SX150isdn) Flashes: new SMS, calls, messages Microphone Hash key Keypad lock on/off (hold down) Toggles between upper/ lower case and digits Recall key Initiate enquiry call Speed dial list key Open the speed dial list 1 The handset at a glance. 1 Safety precautions. 6 Preparing to use your phone. 7 Package contents. 7 Installing the base. 7 Connecting the base. 8 Operating the handset. 9 Using the handset � and menus...