173 Glossary
Root directory
The uppermost directory on a storage
medium.
Scan rate (MP3)
Indicates the frequency at which volt-
age samples are taken during the con-
version of an analog signal into a digital
signal. The analog-to-digital converter
converts the samples into digital sig-
nals.
SCAN search
Plays receivable radio stations, or CD
tracks in succession, each for approx.
8 seconds.
SIM
(S
ubscriber I
dentity M
odule)
Card provided by the GSM telephone
service provider. Necessary for access-
ing a mobile communication network.
SMS
(S
hort M
essage S
ervice)With this function, you can receive,
read and delete short text messages
(if SMS service is provided by your ser-
vice provider).
Soft keys
Keys to activate different functions,
depending on the selected operating
mode.
Tele Aid
(Tele
matic A
larm I
dentification on D
e-
mand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, roadside assistance
and information. Tele Aid is initially
activated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided the vehicle's battery is charged,
properly connected, not damaged and
cellular and GPS coverage are avail-
able.Telematics
Compound word made up of the terms
Telecommunication and Informatics.
Unlock code
Your unlock code prevents unautho-
rized persons from using your tele-
phone. The unlock code is a number
string, which you have to enter when
switching on the telephone.
UTC
(U
niversal T
ime C
oordinated)
The mean sun time associated with lon-
gitude zero (world time). It functions as
basis for the time zones.
WB
Weatherband
