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ALARMS MANAGEMENT
Battery voltage alarm
Every time that found out voltage value goes down 9,5V, the system starts
alarm routine to signal the possibility that after switching ON of the vehi-
cle, the speedometer can loose its settled data.
The signal is the graphic bar visualization(regardless the current function),
by blinking the first segment of the bar and battery symbol.
This indication does not change the operation of the speedometer, that
normally continues its activity with the only difference that when there is
this alarm the previous logo is shown.
When the voltage goes over 9,5V the alarm status turn off.
Fuel Level Alarm
Every time that fuel level sensor close on earth, the icon is visualized on
the display.
At the same time the microcontroller will turn on the related light on the
dial.
