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GF82.85-P-2007PMB Telephone Mode, Function



GF82.85-P-2007PMB Telephone Mode, Function

MODEL 203.0 /2 /7 as of 24.4.04
- with CODE (525) MB Audio 50 APS radio
- with CODE (388) Telephone "Handy", UPCI system
- except CODE (494) USA version
- except CODE (498) Japan version
- up to Model Year 8







A1 Instrument cluster
A2/22 Telephone antenna
A2/56 Radio and navigation unit
A2/72 Window antenna amplifier module 2
A28/3 E-net compensator
A34/15 Universal Portable CTEL Interface (UPCI) portable CTEL holder
A67b1 Hands-free system microphone group
N80 Steering column module
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control unit
S110 Left multifunction steering wheel button group
S111 Right multifunction steering wheel button group

With the UPCI control unit (universal portable cellular telephone interface) (N123/1) it is possible to operate portable cellular telephones (A34/6) from various manufacturers (Siemens, Motorola, Nokia) in the vehicle.

It is now only necessary to install the UPCI (Universal Portable CTEL Interface) holder (A34/15) required for the particular portable CTEL (A34/6) on the contact plate.

Offboard diagnosis, STAR DIAGNOSIS (up to 30.11.04)
The central gateway control unit (N93) is the interface between the diagnosis Controller Area Network (data bus/CAN bus) (CAN) and the Controller Area Network bus class B (interior) (CAN-B) or the Controller Area Network bus class C (engine compartment) (CAN-C). The central gateway control unit (N93) transmits the diagnostic data from the radio and navigation unit (A2/56) to the data link connector (X11/4), where the data can be read out using STAR DIAGNOSIS.

Offboard diagnosis, STAR DIAGNOSIS (as of 1.12.04)
The EIS control unit (N73) is the interface between the diagnosis Controller Area Network (data bus/CAN bus) (CAN) and the Controller Area Network bus class B (interior) (CAN-B) or the Controller Area Network bus class C (engine compartment) (CAN-C). The EIS control unit (N73) transmits the diagnostic data from the radio and navigation unit (A2/56) to the data link connector (X11/4), where they can be read out using STAR DIAGNOSIS.

Telephone operation
The telephone system can be operated:
- Using the radio and navigation unit (A2/56)
- Using the multifunction steering wheel (MFL) in conjunction with the multifunction display (A1p13) of the instrument cluster (A1)
- Using the voice control system (VCS) for code (813) voice control system (VCS).

After the request via the operating unit of the radio and navigation unit (A2/56), the radio signals are transmitted and received using the telephone antenna (A2/22). These radio signals are transmitted to the UPCI (Universal Portable CTEL Interface) control unit (N123/1) via the E-net compensator (A28/3). The E-net compensator (A28/3) still has the task of compensating for losses caused by the higher transmission frequency of the radio signals through their amplification.

The telephone is illustrated by a symbol, if it is operational, in the display of the radio and navigation unit (A2/56). The reception field strength of the telephone after plugging it into the UPCI portable CTEL holder (Universal Portable CTEL Interface) (A34/15) is also displayed at the top of the display of the radio and navigation unit (A2/56).

All control signals and useful signals (e.g. sound signals with hands- free system activated) are transmitted with the aid of the Media Oriented System Transport (MOST).

The CTEL (A34/6) needs an interface to communicate with the MOST subscribers. This interface is the UPCI (Universal Portable CTEL Interface) control unit (N123/1).

The volume can be adjusted separately for the telephone mode.

The battery of the portable CTEL (A34/6) is charged using the UPCI (Universal Portable CTEL Interface) control unit (N123/1).

Charging of the battery is accomplished automatically as soon as the UPCI (Universal Portable CTEL Interface) control unit (N123/1) is activated regardless of whether the portable CTEL (A34/6) is on or off.

The radio and navigation unit (A2/56) is equipped with the following functions for the telephone:
- Automatic disabling of telephone card when the personal identification number (PIN) is entered incorrectly 3 times.
- Direct dialing of telephone numbers via the numerical keypad, display of the name of the person called (if the telephone number entered is known)
- Speed dial of the first 10 memory locations (using just one key) or dialing of all other memory locations by entering the 3-digit memory location number
- Display of telephone number for incoming call (if the telephone number is also transmitted)
- Display of name, if telephone number is known
- Read text messages
- Telephone book processing
- Edit note book
- Select from memory list using
- memory location numbers
- Names (alphabetic)
- List of last 10 numbers dialed

Handsfree mode
During a phone call it is possible for the user to hold the conversation via the hands-free system. For this the hands-free system microphone group (A67b1) is located in the mirror housing of the inside rearview mirror.

From there the microphone signals are relayed directly to the UPCI (Universal Portable CTEL Interface) control unit (N123/1), digitized and transmitted via the MOST to the audio gateway, which is integrated into the radio and navigation unit (A2/56). The signals are processed there and issued over the vehicle speakers. Hands-free mode is controlled by pressing buttons on the operating unit of the radio and navigation unit (A2/56). During a hands-free telephone call the audio source is automatically muted. Operation is only possible via the multifunction steering wheel (MFL) or the radio and navigation unit (A2/56).

When the portable CTEL (A34/6) is removed from the UPCI (Universal Portable CTEL Interface) holder (A34/15), hands-free operation is not possible.

Writing and editing text messages
In the service basic menu, the "Mail" button takes you to the menu for creating, sending or administering text messages (SMS). The following possibilities exist:
- Call up inbox
- Call up outbox
- Call up drafts box
- Create new messages
- Select mail settings

Characters required for the text are entered with the input aid or using the buttons of the operating unit. Transmitting the SMS is also connected to these functions. A receiver can be entered or selected in the telephone book.

Data safety, SMS memory
If the battery voltage drops below 9.5 V, the characters stored in the memory of the radio and navigation unit (A2/56) are retained. However, it is possible for up to 4 characters to be lost. When switched off in a normal manner, no characters are lost.





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