User's Manual

Operation 37
Function Explanation
GPRS (General
Packet Radio
Service)
21
The GPRS access point can be entered. Details on configuration of the GPRS
function can be provided by your network operator.
Audio mode
22
Telephony
only
At this setting, only telephone calls are relayed to the radio or
navigation system.
Always
At this setting, all audio events are relayed to the radio or
navigation system, e.g. button tones and acoustic warnings
on the mobile telephone.
Switch the
telephone
off
21
The UMTS/GSM transmission function of the PREMIUM mobile telephone
provision can be fully switched off ⇒ page 15.
If, in the Telephone settings, the Network mode is set to UMTS, network availability may
be limited if the mobile network provider's UMTS network coverage is insufficient. In areas with insuffi-
cient UMTS coverage, it is advisable to set the network mode to GSM.
If the provider is selected manually and a DUN connection is active, delays or incomplete pro-
vider lists may result.
22
If the mobile telephone is connected via hands-free telephony ⇒ page 11.