Samsung SGH-D347ZSACIN - Manual (Page 16)

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2. PTT key : Press to display Recent call log for PTT calls. If you press and
hold the key down, you will initiate the most recent call from the
Recent Call log for PTT.
3. Volume/Menu Navigation key : Allows you to adjust the ringer volume in
standby mode or adjust the voice volume during a call. The volume
key can also be used to scroll up or down to navigate through the
different menu options. To mute the ringer during an incoming call,
press the volume key up or down.
4. External LCD : Your phone has an external display on the front of the
phone. It indicates when you have an incoming call or message. It
also displays date, time, reception, battery power, and any icons
associated with alerts, such as messages, or a set alarm
.
5. Voice Command/Speakerphone key: Press to switch from earpiece
to external speaker. Press and hold to launch Voice Command.
6. External Speaker : The external speaker allows you to hear the other
caller when using the speaker phone option.
7. Antenna : Used to obtain maximum reception.
Backlight
A backlight illuminates the display and the keypad when you press any key or open
the phone. It turns off when no keys are pressed within a given period of time, and/
or dims the light, depending on the settings in the
Backlight menu.
Internal Display Layout
The display has 3 areas:
Icons
Shows the received signal strength. The greater the number of
bars, the stronger the signal.