Mercedes-Benz COMAND Operator's Manual page 159

Glossary
PUK
(Personal Unblocking Key)
Personal unlocking code, must be en-
tered if the wrong PIN was entered
three consecutive times.
SCAN search
Plays receivable radio stations, or CD
tracks in succession, each for approx.
8 seconds.
SIM
(Subscriber Identity Module)
Card provided by the GSM telephone
service provider. Necessary for access-
ing a mobile communication network.
SMS
(Short Message Service)
With this function, you can receive,
read and delete short text messages
(if SMS service is provided by your ser-
vice provider).
158
Soft keys
Keys to activate different functions,
depending on the selected operating
mode.
TDMA
(Time Division Multiple Access)
A method of digital wireless communi-
cation transmission allowing a large
number of users to access a single ra-
dio-frequency channel without interfer-
ence. Each user is given a unique time
slot within each channel.
Tele Aid*
(Telematic Alarm Identification on De-
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
(Universal Time Coordinated)
The mean sun time associated with lon-
gitude zero (world time). It functions as
basis for the time zones.
WB
Weatherband