Using HFT
HFT Buttons

 (Pick-up) button: 
            Press to go directly to the Phone screen, or to answer an incoming call.
 (Hang-up) button: Press to end a call.Selector knob: Rotate left or right to scroll through the available choices. Press
 to set your selection.
        HFT Status Display
- The audio display notifies you when there is an incoming call.
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- Detail
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                The information that appears on the audio display varies between phone models.
 
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