Volume Key; Speakerphone Key - Samsung SCH-U680 User Manual

PTT (Push to Talk) Key
Press the PTT Key to:
•
When PTT Mode is On, press the PTT Key to activate PTT. For
information about making PTT calls, see "Push to Talk (PTT)
Functions" on page 30.
•
When PTT Mode is Off, press the PTT Key to launch an
application. For information about selecting an application for the
PTT Key, see "Set Side Key" on page 115.

Speakerphone Key

Press the Speakerphone Key to:
•
During a call, press and hold the Speakerphone Key to switch
call audio from the Earpiece to the Speakers.
•
To answer an incoming call in Speakerphone mode, press and
hold the Speakerphone Key.
•
With the flip closed, press and hold the Speakerphone Key to
turn Driving Mode on or off.
21

Volume Key

Press the Volume Key to:
•
Press the Volume Key to set Master Volume.
•
Press and hold the Volume Key down to activate Sound Off
mode.
•
During calls, press the Volume Key to adjust voice volume.
•
During music playback, press the Volume Key to adjust
audio volume.
•
Press the Volume Key to silence the ringtone of an incoming call.
•
With the phone closed, press the Volume Key down 4 times to
initiate a Fake Call. For more information about Fake Calls, see
"Fake Call" on page 28.
•
With the phone closed, press the Volume Key to navigate the
external menu.
•
When navigating menus with the phone open, press the Volume
Key to change the font size of the menus.