4Location of ControlsPortable StationINT' F1 F2 F3CLRABC DEFGHI JKL MNOPQRS TUV WXYZCOKRinging IndicatorFlashes green when anincoming call is received.Volume Control ButtonUsed to select the ringeror receiver volume.(Intercom) ButtonUsed to make or receiveintercom calls.(Talk) ButtonUsed to make, receive orend calls.(Cancel) ButtonUsed to end calls, or exit thedirectory or Function mode.(Hold) ButtonUsed to place a call on hold.(Function) ButtonUsed to enter into theFunction mode or accessfeatures by pressingadditional keys.(Auto/OK) ButtonUsed for System SpeedDialing and storing programchanges.OKCINT'(Pause) Button ( + )Used to insert a pause in numbers.(FWD/DND) Button ( + )Used to set the Call Forwarding or Do NotDisturb (DND) features.(Message) Button ( + )Used to leave a notification to the calledparty or call back the message sender(Message Waiting).DEFABCCombination buttonsAntennaDisplay(Flexible CO) Buttons(F1 through F3)Used to seize a CO line oraccess one of several fea-tures.(Clear/Transfer)ButtonUsed to clear incorrect dig-its while entering numbers,and transfer a call to anoth-er extension.(Book) ButtonUsed to enter into the direc-tory mode or select a menuin the Function mode.(Flash) ButtonUsed to disconnect a currentcall and make another call.(Redial) ButtonUsed to redial the last num-ber dialed.CLRF1-F3(Conference) Button ( + )Used to establish a three party conversation.Tone Button ( + )Used to change the dialling mode temporar-ily to tone (Pulse to Tone Conversion).Note: These buttons can also be activatedusing the display. Refer to the KeyOperations on page 31.JKLGHI