92 telephone – Mercedes-Benz CLK-Coupe 2007 COMAND Manual User Manual
Page 94

92
Telephone*
Important notes
ț
Please read the chapter “Telephone” 
first before attempting to operate your 
telephone.
ț
Please also read the important notes in 
the telephone operating manual.
ț
Always drive with extreme caution 
when you operate the telephone 
hands-free.
ț
For safety reasons, you should not use 
the mobile telephone handset to make 
a call while driving the vehicle.
ț
If the signal strength is very weak (dis-
play in the symbol bar of all menus):
Wait until reception improves before 
making a call.
ț
Close the windows and reduce all out-
side noise as much as possible when 
you use hands-free operation.
ț
Also make sure that the air vents are 
not pointed in the direction of the 
microphones located in the overhead 
control panel near the rear view mirror. 
Adjust air vents and/or reduce blower 
speed if necessary. 
ț
A brief disconnection from the cellular 
network is not a malfunction, as this 
can occur when the network switches 
areas. The phone will automatically try 
to sign on to a network again.
ț
If the message
Enter Unlock Code
appears, enter the unlock code to en-
able all telephone functions 
(
୴
page 97). If you do not do so, only
the emergency call (911) is available.
GSM mobile phone
ț
If the message
Please enter PIN-
Code
on the mobile phone appears, en-
ter the PIN-code to enable the telepho-
ne functions (
୴
page 97). If you do not
do so, only the emergency (911) call is 
available on the mobile phone.
In the following situations, it is not possible 
or not yet possible to use the telephone:
ț
The telephone is already unlocked but 
is not or not yet registered in the net-
work. 
The message
No Serv
appears in the
status bar. The telephone will try to re-
gister into an existing network. If the 
network is available, the telephone will 
be ready for use. 
The above message also appears
ț
if the network is no longer available 
due to weak signals
