228 Glossary
Regional code
The regional code prevents video DVDs
from being played on DVD players not
having the same code as the ->DVD.
The factory setting of the Rear Seat En-
tertainment* CD/DVD player is code
1. It can only play back video DVDs also
having code 1 or no code.
Roaming
For this function, the telephone uses
the telephone network of a contract
partner. The ROAMING indicator in the
COMAND display indicates that a call is
being made using a contract partner.
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.Service source
This includes the systems telephone*
and navigation (voice output during
destination guidance)
SIM
(Subscriber Identity Module)
Card provided by the GSM telephone
service provider. Necessary for acces-
sing a mobile communication network.
SMS
(S
hort Message Service)
With this function you can receive and
read short text messages (if SMS ser-
vice is provided by your provider)
Soft keys
Keys that activate different functions.
Function of key depends on the selec-
ted operating mode.
Subtitle
A textual representation of the spoken
audio in a video program.Tele Aid*
(Tele
matic Alarm Identification on De-
mand)
The Tele Aid system consists of three
types of response: automatic and ma-
nual emergency, roadside assistance,
and information. Tele Aid is initially
activated by completing a subscriber
agreement and placing an acquain-
tance call. Refer also to the vehicle
operating instructions.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is char-
ged, properly connected, not damaged,
and cellular and GPS coverage is avai-
lable.
Unlock code
Your unlock code prevents unauthori-
zed persons from using your telephone.
The unlock code is a number string
you must enter when switching
on the telephone if you have locked
the phone before turning it off or if the
phone is set to lock automatically.
