Dialog 5446 IP Premium2.1 KeypadThe phone is equipped with a standard alpha numeric keypad and 7 functionkeys used for the most basic telephony functions, see table below. Most othertelephony functions are invoked from the display, see Section 2.3 on page 9.Table 2 Dialog 5446 Function KeysKey FunctionPress the loudspeaker key to enable handsfree connection.Press the volume control keys to adjust the volume level ofthe ring signal and incoming speech in the handset, headset,or loudspeaker.Press the left volume control key to turn down the volumelevel, and the right volume control key to turn up the volumelevel.Press the headset key to enable headset connection. Pressand hold down the headset key for 4 seconds to activate theheadset preset mode.Leave the headset mode by pressing the speaker key for 4seconds (see above).Press the mute key to turn off the microphone in speechstate. This is useful when you do not want the person at theother end of the line to hear what you say to your colleague.If you press the mute key when the phone is in idle state,silent ringing is activated. Deactivate silent ringing bypressing any key.Press the clear key to disconnect an ongoing call if you areusing the handsfree mode. In idle mode, you can press C toexit a page, expect from the internet page.Press the navigation key to move between display tabs, toselect menu items in a menu, and to move between fields ina screen.Press up, down, left, or right on the navigation key to movebetween items in a display window, and press the square inthe middle of the navigation key to select an item, to enterinformation you have typed, or to confirm an action.2.2 NavigationTypically, you can highlight and select a display item such as an option or asetting in one of the following ways:8 6/1553-DBC 446 01 Uen D5 2008-09-10