6
Button functions
The "mute" button turns the handset's microphone on or off.
The "loudspeaker" button turns the hands-free operation on or off and serves to
connect and disconnect an established telephone line
The "plus" and "minus" buttons serve to increase or decrease the volume of the loud-
speaker or handset.
The "recall" button creates an impulse (earth or flash) used when operating the tele-
phone within a telephone system.
The "redial" button opens the redial memory for the 4 telephone numbers dialled last.
Numeric buttons to dial telephone numbers and to enter letters for the use of the tele-
phone directory.
Buttons for special functions, e. g. services provided by the telephone network ope-
rator.
The "programming" button allows access to the programming menu and serves to
resume the initial state from any sub-menu.
Use the "arrow" keys to select different menus.
Scrolling within a menu.
Selecting a special menu item and branch to the corresponding sub-menu - or to
enter a blank, e. g. between two words.
To move from a sub-menu to the corresponding main-menu without storing any entry
or function - or to delete a letter or number.
The "enter" button serves to save a text or numeric value.
Use the speed dialling stations to dial the corresponding stored telephone number.
Replacing the handset will terminate a current function or entry.