GF82.70-P-2014FQ Short Message Service (SMS), Function

GF82.70-P-2014FQ Short Message Service (SMS), Function
MODEL 218
- with CODE (386) Comfort telephony
MODEL 218 as of 1.7.11
- with CODE (512) COMAND APS with DVD changer
- with CODE (526) COMAND with single DVD drive (without navigation)
- with CODE (527) COMAND APS with single DVD drive (with navigation)
- except CODE (498) Japan version
- with CODE (528) COMAND with DVD changer

Function requirements, general
^ Circuit 30g ON
^ A mobile telephone network available in adequate strength and quality
^ Mobile phone and audio equipment switched on
^ Personal Identification Number (PIN) entry, if set on the mobile phone
^ Compatible mobile phone inserted into the mobile phone cradle (A34/15) (accessories), which is connected to the Bluetooth module (A34/7) (with code (386) Comfort telephony)
^ Mobile phone supports the Message Access Profile (MAP) (as of 1.7.11 without code (386) Comfort telephony)

Short Message Service (SMS), general
The SMS application enables the user to manage his/her SMS messages (e.g. to read or delete them). For this, the SMS messages previously received on the mobile phone as well as the new SMS messages are forwarded to the "audio unit". The following SMS functions are possible:
- Receiving SMS
- Read text messages via the mobile phone display and the Audio/ COMAND display (A40/8)
- Delete SMS
- Read SMS (English or German)
- Mail inbox list of the 30 most recent SMS messages, sorted by date (choice of displaying either the sender or the start of the text for each SMS)
The "Short Message Service (SMS)" function consists of the following subfunctions:
^ Function sequence for loading present SMS to audio equipment
^ Function sequence for receiving SMS message
^ Function sequence for calling up messaging application
^ Function sequence for displaying SMS message
^ Function sequence for composing and transmitting SMS message
^ Function sequence for reading SMS message aloud

Function sequence for loading present SMS to audio equipment
On vehicles as of 1.7.11 without code (386) Comfort telephony the SMS messages stored in the mobile phone are sent over the Bluetooth antenna (A2/91) to the audio device.
With code (386) Comfort telephony, the SMS messages already stored in the mobile phone are sent over the following path from the mobile phone to the audio device:
- Cradle
- Bluetooth module
- Bluetooth antenna
Under certain circumstances loading SMS messages may take a long time. This may be because of the mobile phone or the number of SMS messages in the mobile phone.

Function sequence for receiving SMS message
On vehicles as of 1.7.11 without code (386) Comfort telephony, incoming SMS messages are sent by the mobile phone to the Bluetooth antenna and forwarded from there to the audio device.
With code (386) Comfort telephony, incoming SMS messages are received over the following path:
- Multifunction antenna (A28/11)
- Mobile phone and stationary heater radio remote control antenna splitter (A2/53) (with code (228) Stationary heater)
- Cellular telephone system antenna amplifier/compensator (A28/3) (with code (228) Stationary heater)
- Cradle
- Mobile phone
Incoming SMS messages are sent from the mobile phone with code (386) Comfort telephony over the following path to the audio device:
- Cradle
- Bluetooth module
- Bluetooth antenna
- Audio unit

Function sequence for calling up messaging application
The SMS function for managing (e.g. reading or deleting) SMS messages is called up using the "Tel" basic function.
The "TEL" base function is called up by pressing the "TEL" function key on the audio unit. The corresponding basic mask appears. On vehicles with code (512) COMAND APS with DVD changer or code (527) COMAND APS with single DVD drive (with navigation) the basic "TEL" function can also be called up using the "TEL" menu in the application bar.
The "SMS" submenu can then be called up on the function bar. The "TEL" function key control signals are processed internally by the audio unit.
The control signals of the Audio/COMAND control panel (A40/9) are forwarded to the "audio equipment" via the telematics CAN (CAN A).
The Audio/COMAND display is actuated by the audio equipment over the low voltage differential signaling (LVDS) line.

Function sequence for displaying SMS message
The SMS content is displayed on the Audio/COMAND display. The audio equipment actuates the Audio/COMAND display over the low voltage differential signaling line.

Function sequence for composing and transmitting SMS message
SMS messages can only be read and transmitted using the control buttons on the mobile phone. The control signals from the mobile phone's control buttons are processed internally.
On vehicles as of 1.7.11 without code (386) Comfort telephony, the mobile phone sends the SMS message over the mobile telephone network to the receiver.
With code (386) Comfort telephony, the mobile phone sends the SMS message over the following path to the receiver:
- Cradle
- Cellular telephone system antenna amplifier/compensator (with code (228) Stationary heater)
- Mobile phone and stationary heater radio remote control antenna splitter (with code (228) Stationary heater)
- Multifunction antenna

Function sequence for reading SMS message aloud
SMS voice output is conducted over the vehicle speaker system.
On vehicles without code (810) Sound system, the audio signals are output over the following speakers:
- Left front door speaker (H4/1)
- Left front door tweeter (H4/1h1)
- Right front door speaker (H4/2)
- Right front door tweeter (H4/2h1)
On vehicles with code (810) Sound system, the audio equipment transmits the audio signals to the sound system amplifier control unit (N40/3) via the media-oriented system transport (MOST).
The sound system amplifier control unit amplifies the audio signals and outputs them over the following speakers:
- Center instrument panel speaker (H4/27)
- Left front door sound system bass speaker (H4/64)
- Right front door sound system bass speaker (H4/65)
- Left front door sound system tweeter (H4/68)
- Right front door sound system tweeter (H4/69)
- Left front door sound system midrange speaker (H4/72)
- Right front door sound system midrange speaker (H4/73)