1.1 General Features84 Feature ManualConditions• The ROM and the firmware version can be confirmed through system programming ( [998] FirmwareVersion).Installation Manual References2.8.1 Connecting PeripheralsProgramming Manual References[PT Programming][998] Firmware Version[PC Programming]8.1 Firmware Upgrade1.1.59 Fixed ButtonsDescriptionProprietary telephones (PTs) and Direct Station Selection (DSS) Consoles feature a wide variety of featurebuttons and Line Access buttons, explained below.Note that certain models do not have certain buttons.For a description of the buttons found on each PT or DSS Console, please refer to the Operating Instructionsfor each PT or DSS Console.[PT]Button FunctionNavigator Key Used to adjust the volume of the speaker, handset and headset, and the displaycontrast, or to select desired items.Volume Key Used to adjust the volume of the speaker, handset and headset.PROGRAM Used to enter and exit programming mode.FLASH/RECALL Used to disconnect the current call and make another call without hanging up(Flash/Recall mode), or to send an EFA (External Feature Access) signal to thetelephone company or host PBX to access external features (EFA mode).HOLD Used to place a call on hold.SP-PHONE(Speakerphone)Used to select handset or hands-free operation.MONITOR Used to select hands-free dialing and monitor operation.MESSAGE Used to leave a message waiting indication, call back the party who left amessage waiting indication, or play back voice messages. This button isprovided with an LED (Light Emitting Diode), except for on KX-T7700 seriestelephones. With KX-T7700 series telephones, the Message/Ringer Lamp is litwhen a message waiting indication is left at an extension.REDIAL Used to redial the last number dialed.
