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P u t t i n g
t h e
s y s t e m
PAG E 2 0
i n t o
o p e r a t i o n
3.4
Operational elements on the front side
The system has an illuminated graphical display with a resolution of 160 x 32 Pix-
els and 19 operating buttons.
On the right next to the display there are two softkeys whose current functions are
indicated on the display. In the middle there are two buttons for navigation (
and
), two buttons for establishing (
OK
as an
button. The numerical pad supports in addition to the numerics
*
#
'
' and '
' key. For text entries the numerical pad can also be used as normal key-
pad.
The operation is similar to standard mobile telephones.
FIG. 3
Graphical
display
)/dropping (
OPERATIONAL ELEMENTS ON THE FRONT SIDE
Establish connection
Drop connection/
Main menu
Softkeys
Navigation
buttons/
Headphone
Level
Confirm entry
Status window
) connections as well
0...9
the
Keypad for
text entry
Display
shift
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