Samsung SPH-A900 User Manual page 51

Glossary
EVRC - (Enhanced Variable Rate Codec) EVRC is a
new global standard for compressing and
decompressing voice signals. EVRC uses a lower
bit rate (the number of bits sent per second) than
existing CDMA vocoders, while providing
significant improvements in voice quality. This
technology enables your phone to provide superb
voice quality while benefiting from the ability to
process more cellular voice calls using less
bandwidth than the voice codecs in CDMA
networks today.
Frequency - A measure based on time, as one or
more waves per second, in an electrical or light
wave information signal. A signal's frequency is
stated in cycles-per-second or Hertz (Hz).
Hands-free - A feature that permits a driver to
use a wireless phone without lifting or holding the
handset - an important safety feature for
automobiles, tractors and most other motorized
vehicles.
LCD - (Liquid Crystal Display) Commonly used to
refer to the screen display on the wireless phone.
LED - (Light Emitting Diode) Commonly used to
refer to a small light on the wireless phone or on
the Desktop Charger. The LED lights on the phone
to indicate an incoming call. The lights on the
charger indicate that battery charging is taking
place.
Prepend - The addition of a prefix, such as an
area code, to a phone number.
RF - Radio Frequency
Roaming - The ability to use a wireless phone to
make and receive calls in places outside of the
home service area.
96
Service charge - The amount paid each month to
receive wireless service.
Soft keys
• varies according to the function that you are
currently using.
• is indicated on the bottom line of the display
just above the corresponding key.
Standby time - The amount of time a fully
charged wireless portable or transportable phone
can be on and idle without being in use. (See Talk
time.)
Talk time - The length of time a person can talk
on a portable or transportable wireless phone
without recharging the battery.
Vocoder - Voice coder. A device used to convert
speech into digital signals.
Wireless - Radio-based Systems that allow
transmission of telephone or data signals through
the air without a physical connection, such as a
metal wire (copper) or fiber optic cable.
Glossary
97