X
Switch the ignition lock to the radio posi-
tion.
The on-board computer shows the wel-
come
display (Mercedes star). After a short
time the display also shows the date and
time.
X
Switch the ignition lock to the drive posi-
tion.
The on-board computer shows the last
active menu window, e.g. the Truck info
menu window in the ß trip data menu.
If a malfunction is detected, the on-board
computer will display the events in an event
window first. In addition to the event win-
dow, an indicator lamp may light up in the
instrument cluster or in the status area of
the on-board computer. If there are several
messages, the on-board computer shows
them one by one according to priority level.
If further information on the malfunction is
available in the event window, the event
window shows the Û symbol. You can
display the information using the u but-
ton.
X
Clear the event window by pressing the 9
button.
X
To scroll through the main menus: press
u or t.
X
To display further menu windows in the
main menu: press r or s.
X
To open and close the input window:
when
a menu window displays the 9 sym-
bol, press 9.
X
To select menu bars in the input win-
dow: press r or s.
X
To change the value or select an entry
in
the input window: press u or t.
i
If you call up a particular menu window
regularly, e.g. the engine oil level check,
save it on the Ú button.
X
To save a favourite menu window: call
up
the desired menu window and press the
Ú button for approximately 2 seconds.
A tone sounds and the menu window is
saved.
X
To display the favourite menu window:
briefly press the Ú button.
Areas in the display
Areas in the display (example: Truck Info menu
window)
Register and title bar: register : shows the
main menu. The active main menu is repre-
sented in white. Register ? shows you the
number of menu windows (submenus) and
which window is currently selected. Title bar
A shows the name of the active menu win-
dow.
Display area: the on-board computer dis-
plays the menu window or event window in
display area ;. Event windows are displayed
automatically and contain messages, e. g.
Power take-off active, or information
about malfunctions, e. g. Turn signal
faulty. In addition to the event window, an
indicator lamp may light up in status area =
of the on-board computer or in the instrument
cluster. If you can confirm the event window
using the 9 button, the event window is hid-
On-board computer
145
On-board computer and displays
Z
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