Foreword
The multifunction screen is a driver information medium, it is an ECU of the COMFORT CAN which has the following functions
- Inform the driver on components exterior to the system (date, time, exterior temperature)
- Inform the driver on the system's interior components (autodiagnostic, trip computer)
- Manage the radio display
- Manage the CD changer display (*)
- Manage the navigation system display (*)
- Manage the radiotelephone display (*)
(*) according to equipment
There are 4 different multifunction screens
- Type A+ multifunction screen
- Type C- multifunction screen
- Type Ct multifunction screen (see RT3 radiotelephone)
- Type Dt multifunction screen (see RT3 radiotelephone)
There are 2 levels of radiotelephone (RT3)
- Level 2: radiotelephone (RT3) with radio, telephone and on-board navigation system functions and Ct monochrome screen
- Level 3: radiotelephone (RT3) with radio, telephone and on-board navigation system functions and Dt colour screen
NoteThe radiotelephone telematic system (RT3) consists of two components (screen Ct and Dt) and a telematic unit
Functions associated with the multi-function screen
The multifunction screen displays various items of information
- Hr
- Date
- Date and time display format
- Exterior temperature
- Audio system
- CD player
- Trip computer
- Telephone integegrated into the radio
- Information linked with the personalisation menu
- Parking assistance
- Status of the openers
- Vehicle warnings and information
The multifunction screen manages the following functions internally
- Time, date
- Configuration of the language, trip computer units, etc...
- Management of the displaying of the screens
Press management
Different press types allowing use of the screens
- Single press: from detection of the press to the short press time threshold (time less than 40 ms)
- Short press: from the time the button is released (time in excess of 40 ms and below the long press time threshold)
- Long press: over a time threshold of 2 seconds
- Maintained press at the end of the time of a long press, the information is sent periodically every 200 ms while the button is depressed
Type A+ multifunction screen
Description
| "a" button: long press | "a" button: short press | "b" button: short press |
|---|---|---|
| access to the option adjustment mode | scrolling of options (language, unit of vehicle speed, time format, time adjustment, date adjustment) | scrolling of choices |
Representations of the type A+ multifunction screen
Key
- C: field dedicated to displaying the time and, possibly, an additional display for the other peripherals
- D: field dedicated to displaying menu headings, radio information, messages...
- E: field specifically dedicated to the trip computer symbols
- F: field dedicated to displaying the exterior temperature and, possibly, an additional display for the other peripherals
- G: field dedicated to displaying information relating to the trip computer, the radio, the date...
- H: field specifically dedicated to the radio symbols
- J: field dedicated to displaying the air conditioning management or to the status of the doors
Display zone of multifunction screen type A+
| display mode | display zone | information and messages shown |
|---|---|---|
| A: zone 0, trip computer display | A3 | trip computer symbols |
| A5 | displaying of the date, the vehicle's remaining range, the total distance travelled, the average consumption, the current consumption, the average speed | |
| B: zone 0, audio display (tuner, CD, CDC, MP3, aux) | B5 | text zone linked with the radio |
| C: zone 0, display of doors | C5 | text zone for doors management |
| D: zone 1, menu and list display | D1 | " [" sign |
| D2 | definition of the menus | |
| D4 | "] " sign | |
| D5 | text zone permitting displaying of the lists | |
| E: zone 2, trip computer display | E3 | trip computer symbols |
| E5 | timed display of the date, the remaining range, the total distance travelled, the average consumption, the current consumption, the average speed | |
| F: zone 2, audio display (tuner, CD, CDC, MP3, aux) | F5 | text zone linked with the radio |
| G: zone 2, air conditioning display | G5 | unused |
| H: zone 2, message display | H1 | " [" sign |
| H2 | definition of the messages | |
| H4 | "] " sign | |
| H5 | text zone | |
| J: zone 2, vehicle message display | J1 | " [" sign |
| J2 | definition of the vehicle messages | |
| J4 | "] " sign | |
| J5 | text zone | |
| J7 | field dedicated to displaying the management of the status of the doors and the tyre pressure status | |
| K: zone 3, message display | K1 | " [" sign |
| K2 | definition of the menus | |
| K4 | "] " sign | |
| K5 | text zone | |
| L: zone 4 and menu 4, list display | L1 | " [" sign |
| L2 | definition of the menus | |
| L4 | "] " sign | |
| L5 | text zone: tuner, MP3 list, type of menu or list permitting recalling of the warnings and reinitialisation of the tyre pressure measurement | |
| M: zone 5, audio display (tuner, CD, CDC, MP3, aux) | M2 | text zone linked with the radio |
| M6 | radio symbols | |
| N: zone 5, time, temperature display | N1 | hr |
| N4 | exterior temperature | |
| P: zone 6, air conditioning display | P7 | field dedicated to the display of management of doors |
Type C- multifunction screen
Description
"k": display zone
Display zone of multifunction screen type C-
The type C- multifunction screens displays the information and messages using 4 display modes
| display mode | display zone | information and messages shown | - |
|---|---|---|---|
| Q: zone 0 | Q0 | display of the date, the journey, trip computer information, radio information (tuner, CD, auxiliary) | - |
| Q5 | exterior temperature, tuner, CD, MP3... telephone information, date and time | - | |
| Q6 | display of the date and the time | - | |
| R: zone 2 | R2 | door warnings and tyre pressure status, audio setting, body height | - |
| R5 | exterior temperature, tuner, CD, MP3... telephone information, date and time | - | |
| S: zone 3 | S3 | dialogue box for information, parking assistance, customer personalisation menu, change of driver settings confirmation menu | - |
| S5 | exterior temperature, tuner, CD, MP3... telephone information, date and time | - | |
| T: zone 4 | T | menus, list of local stations, list of tracks on a CD (not MP3), list of tracks and directory of an MP3 CD, general menu, brightness personalisation menu. display of the date and the time, choice of profile type, language personalisation menu, choice of options, configuration menu | - |
| U: zone 5 | U1 | exterior temperature | - |
| U2 | radio information: tuner, CD, MP3... | - | |
| U3 | telephone information | - | |
| U4 | the date and time | - | |
| V: zone 6 | V0 | display of the date, the journey, trip computer information, radio information (tuner, CD, auxiliary) | - |
| V5 | exterior temperature, tuner, CD, MP3... telephone information, date and time | - | |
| V6 | display of the date and the time | - |
Type CT and type DT multifunction screen
K: display zone
W: type Ct multifunction screen (monochrome)
X: DT type multifunction screen (colour)
Presentation of the operation of the CT and DT display zones
The display zones of the Ct and Dt multifunction screens are managed by a management system referred to as the "graphic server"
Each information group is divided into applications
- Trip computer
- Radiotelephony
- Navigation
Each application transmits information to the graphic server
The graphic server decides which information should be taken into account and defines its display zone
The user activates an application, the graphic server allocates the display resource in zone Z0 to it and possibly the audio resource
This activation is done on the buttons of the radiotelephone (RT3) which allows you to pass from one application to another. the current variable is then updated. it is known by the graphic server which can carry out the application display requests in relation to the active zones
Random events such as the dialogue boxes, warning messages, may result in the appearance of new display zones
General zone cohabitation rules
The following table gives the general strategy for superimposing zones as a function of the zone present on the screen and the new zone to display
| present zone | zone of appearance | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| - | Z6 | Z0 | Z1 | Z2 | Z2a | Z2b | zone Z2 extended | Z3 | Z4 |
| Z6 | - | S | S | S | S | S | S | S | S |
| - | |||||||||
| - | |||||||||
| Z0 | - | E | S | S | S | S | S | S | S |
| Z1 | - | - | S | - | - | - | S | S | |
| Z2 | - | - | E | E | X | X | X | E | E |
| Z2a | - | - | E | X | E | E | E | E | E |
| Z2b | - | - | E | X | E | E | E | E | E |
| zone Z2 extended | - | - | E | X | E | E | E | E | E |
| Z3 | - | - | - | - | - | - | - | S | - |
| Z4 | - | - | S | - | - | - | - | S | S |
Key
- E: crushing
- S: superimposition to the present zone (possibility to return to this zone using the ESC button for example)
- -: impossible configuration
- X: as this table relates to both screens, there are some cases which cannot occur. for example a Z2 zone (CT screen) can not appear in zones Z2_1, Z2_2 and Z2 extended (DT screen)
Display zone of multifunction screen type CT
Key
- L: input field 1
- M: input field 2
- N: 1 button
- P: 2 button
- Q: 1 button
- R: 2 button
- S: item selected
- T: item 1
- U: item 2
- V: item 3
- W: symbol
| key | - |
|---|---|
| display zone | description of the display zone |
| Z0 | display of the date, the journey, trip computer information, radio information (tuner, CD, auxiliary). AUDIO or DATE application. NAVIGATION application. trip comp application (trip computer). TELEPHONE application |
| Z1 | display zone permitting the inputting of information by the user (timed to 30 seconds). depending on the types of application, it consists of various input fields and buttons |
| Z2 | display zone permitting the displaying of various messages and displays which are not present in zone Z0. zone Z2 can be displayed or cleared by external events (example: message from the BSI1). it permits the displaying of applications which are not stored as the current application. the default timing is 7 seconds |
| Z3. Z3a: display zone. Z3b: dialogue zone | simple priority display zone or dialogue zone associated with buttons operated by the control keypad. zone Z3 is timed (the controlled time T is defined for each zone when described by its applications). the default timing is 30 seconds. the Z3 zones are superimposed over each other, in accordance with a level of priority allocated to each zone |
| Z4. Z4a: scrolling list. Z4b: menu. Z4c: contextual menu | display zone in the form of a menu, contextual menu and list. the contextual menu is displayed in zone Z4 windowed with a symbol representing the application. the Z4 zone is timed and its value is fixed at 30 seconds |
| Z5a. Z5b. Z5c. Z5d | hr |
| display zone restricted by order of priority. in the event of several applications requesting display in zone Z5b, the priority rules are applied. priority 0, telephone. priority 1, voice command. priority 2, radio (mute, TA, frequency, etc.). priority 3, empty | |
| exterior temperature | |
| telephone information | |
| Z6 | displaying of the screen background. display of the date and the time when the guidance is not active |
Display zone of multifunction screen type DT
| display mode | display zone | description of the display zone |
|---|---|---|
| Z0, Z6 | zone 0 | display of the date, the journey, trip computer information, radio information (tuner, CD, auxiliary). AUDIO or DATE application. NAVIGATION application. trip comp application (trip computer). TELEPHONE application |
| zone 6 | displaying of the screen background. display of the clock when guidance is not active | |
| Z1 | zone 1 | display zone permitting the inputting of information by the user (timed to 30 seconds). depending on the types of application, it consists of various input fields and buttons |
| Z2 | zone 2 | display zone permitting the displaying of various messages and displays which are not present in zone Z0. zone Z2 can be displayed or cleared by external events (example: message from the BSI1). it permits the displaying of applications which are not stored as the current application. the default timing is 7 seconds |
| zone Z2_1 | display zone superimposed over zone Z0 and over zone Z6. it is used for the complete displays or the messages of the following applications. radio or telephone. audio/telephone (communication in progress). navigation (press of the button). extended zone Z2_1 appears following an action by the user | |
| zone Z2_2 | display zone centred on the screen. it is used for varied information. BSI1 warnings. ice warning. audio settings (bass, fader etc.). zone Z2_2 appears following an action by the user or when a system parameter changes status | |
| zone Z2 extended | display zone centred on the screen containing stored information. it is used mainly for the radio when a memory is selected. extended zone Z2_ appears following an action by the user | |
| Z3 | zone 3 extended | simple priority display zone or dialogue zone associated with buttons operated by the control keypad. zone Z3 is timed (the controlled time T is defined for each zone when described by its applications). the default timing is 30 seconds. the Z3 zones are superimposed over each other, in accordance with a level of priority allocated to each zone. in the event of several applications requesting display in zone Z3, the priority rules are applied (the 0 level is the highest priority). priority 0, telephone priority (entry call, SMS reception, etc.). priority 1, inputting priority (input of PIN, PUK codes etc.). priority 2, dialogue priority (information or error messages). priority 3, trip computer priority |
| Z4 | zone 4 | display zone in the form of a menu, contextual menu and list. the contextual menu is displayed in zone Z4 windowed with a symbol representing the application. the Z4 zone is timed and its value is fixed at 30 seconds |
| Z5 | zone 5a | hr |
| zone 5b | display zone restricted by order of priority. in the event of several applications requesting display in zone Z5_2, the priority rules are applied. priority 0, telephone. priority 1, voice command. priority 2, radio (mute, TA, frequency, etc.). priority 3, empty | |
| zone 5c | exterior temperature | |
| zone 5d | telephone information |