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General operations
Basic information about the
touch screen
The Traffic Assist Highspeed is fitted
with a touch screen.
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Note:
To ensure that the display's surface is
not damaged, you may only touch it
with your fingers or a blunt, non-smea-
ring object.
Operation
The buttons which appear in the menus
or message windows should simply be
touched so that they are displayed as if
they had been pressed.
If the key pressed is not permitted in the
current situation, a short signal will
sound.
25
Calibration
If the touch screen starts responding im-
precisely and e.g. buttons have to
be touched off-centre in order to be actu-
ated, calibration should be undertaken.
The calibration function is started from
the Settings menu (see also page 75).
Basic information about the
menus
During operations, you are assisted by
various menus and entry windows.
The main menu
The top menu level is the main menu.
The individual applications are started
from the main menu.
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You will find information about the indi-
vidual applications in the corresponding
main chapters.
Entries made with the entry
menu
Some applications require entries to be
made via the entry menu. The entry
menu is operated in a similar way to a
keypad.
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The character entered on the keypad is
displayed in the top line of the entry me-
nu. The central area is used to enter cha-
racters. Help functions are provided in
the bottom line. Descriptions of how to
operate the menu are provided below.
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