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Cellular Terminology
AC Adapter: An accessory that allows power for the NavTalk while
charging the battery pack using a 120 VAC wall outlet.
Accessory Connector: A socket on the bottom of the NavTalk where
you can attach accessories such as an AC adapter, trickle charger, DC
adapter or data accessories.
Air time (Talk-Time): The amount of time you spend using a cellular
system, between the time you place a call and the end or that call.
Antenna: The device on your NavTalk that sends and receives cellular
signals.
Cellular Carrier: One of two the two organizations in a geographic
(cell) area that owns and operates a cellular system.
Cellular Service Provider: A company affiliated with a cellular carrier
that provides cellular service to its customers.
Cellular Signal: The radio waves that carry information between your
cellular phone and the cellular system.
Cellular System: The cellular equipment in a given geographic area that
relays signals to and from individual cellular telephones and the landline
telephone system.
Cigarette Lighter Adapter: An accessory device that allows you to
power your phone and charge its batteries from a car’s cigarette lighter.
Often referred to as a DC Adapter.
DTMF Tones: See Dual Tone Multi-Frequency tones.
Default: A feature’s original setting as pre-programmed at the factory.
Defaulting to the original setting is the result of the product user’s deci-
sion not to make any changes when options are offered.
Dual Tone Multi-Frequency tones: The tones that your phone transmits
when a key on the keypad is pressed. They are used to access automated
calling systems, such as voice mail, paging services, banking-by-phone,
credit card access, etc.
Fringe Area: The outermost range of a cellular system where cellular
signals are weak.
APPENDIX F
Cellular
Terminology
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