61DeleteCaller ID call, 29Delete the content of the Caller ID and Rediallists, 30Name or number in the Phonebook, 39Redial number, 27Displays and menusDisplay of new, unanswered calls, 14Options in the main menu, 14Settings and Advanced settings menus, 53The handset display, 14EditEdit the Phonebook, 40Extension numbersCall and store extension numbers in thePhonebook, 44HandsetCall another handset, 48Handset keys, 16Indicator light, 12Lock the keypad, 21Make a handset ‘personal’ or ‘common’, 49Mute the ringing signal for one call, 20Name the handset, 56Silence the handset ringer, 22Switch on or off, 16Volume and the microphone, 23Indicator lightPhone feedback – indicator light, 12IntercomCall another handset, 48Transfer external calls, 50Make an internal conference call, 51KeypadHandset keys, 16Lock the handset keypad, 21MaintenanceClean BeoCom 1, 13Replace the battery, 17Technical data, 58MicrophoneVolume and the microphone, 23PhonebookCall and store extension numbers, 44Delete a name or number, 39Edit a name or number, 40Enter a new name and number, 38Search the Phonebook and make a call, 25Store a number after a call, 24Store Redial and Caller ID numbers, 42PincodeChange the base pincode, 56PlacementPlacement and surroundings, 13