Presentation: multifunction screen Citroen Jumpy II

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 (on option)
• Manage the navigation system display (on option)
• Manage the radiotelephone display (on option)

There are 4 different multifunction screens

• Type A+ multifunction screen
• Multifunction screen type C-
• Type CT multifunction screen
• DT type multifunction screen

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

Functions associated with the multi-function screen

The multifunction screen displays the following information

• Hr
• Date
• Exterior temperature
• Audio system
• CD player
• Trip computer
• Air conditioning information
• Telephone integegrated into the radio (RT3)
• Information linked with the personalisation menu
• Parking assistance
• Status of the openers
• Vehicle warnings and information
• Hands-free kit

The multifunction screen manages the following functions internally

• Time, date
• Configuration of the language, odometer units
• Management of the displaying of the screens

Type A+ multifunction screen

Description

"a" display zone

The controls of the different functions associated with screen A+ are included in the radio RD4

Representation of the type A+ multifunction screen

Key

• "b" field dedicated to displaying the time and, possibly, an additional display for the other peripherals
• "c" field dedicated to displaying menu headings, radio information, messages...
• "d" field specifically dedicated to the trip computer symbols
• "e" field dedicated to displaying the exterior temperature and, possibly, an additional display for the other peripherals
• "f" field dedicated to displaying information relating to the trip computer, the radio, the date...
• "g" field specifically dedicated to the radio symbols
• "h" field dedicated to displaying the status of the accesses

Description of the type C- multifunction screen

"j" display zone

The controls of the different functions associated with screen C- are included in the radio RD4

Type CT and DT multifunction screens

A: type Ct multifunction screen

B: DT type multifunction screen

Presentation of the operation of the CT and DT display zones

"k" display zone: CT multifunction screen (monochrome screen)

"l" display zone: DT multifunction screen (colour screen)

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 to it and also the sound resource if required