Number Item Function
Indicates battery charge state when charging. See Charging LED Status on
page 35.
Indicates notifications. Lights blue when a notification is received. See
Setting LED Notifications on page 49.
3 Touch Screen Displays all information needed to operate the TC55.
4 Programmable Button - By default, opens the Search application.
5 Menu Button - Opens a menu with items that affect the current screen or
application.
6 Primary
Microphone
Use for communications in handset mode.
7 Charging Contacts Provides power to the device from cradles and cables.
8 Speakers Provides audio output for video and music playback. Provides audio in
speakerphone mode.
9 Back Button - Displays the previous screen. Closes the keyboard if the on-
screen keyboard is open.
10 Home Button - Displays the Home screen with a single touch. Displays
recently used applications when held for a short period of time.
11 Volume Up/Down
Buttons
Increase and decrease audio volume.
12 Programmable
Button
Initiates scanning when a scan application is enabled (default).
Programmable using the Button Remap settings. See TC55 Integrator
Guide for more information.
13 Light Sensor/
Proximity Sensor
Determines ambient light for controlling display backlight intensity and
for turning off display when in handset mode.
26 | Getting Started
September 2013 | MN000015A01
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