Ducati MONSTER S4Rs Manuel D'utilisation Et Entretien page 88

Coolant temperature function
If the coolant temperature falls below 40 °C /104 °F the
word "LO" will be displayed, whereas if the temperature
rises above 120 °C/248 °F, the word"HI" will appear.
Fuel level warning light
When the low fuel level light comes on, the word "FUEL"
E
appears on the display.
Maintenance indicator function
After the first 1000 Km / 621 miles and every 10,000 Km /
6210 miles thereafter, each time the key is switched to
ON, the display shows the word "MAInt" for five seconds,
to indicate that the scheduled periodic service is due.
Display backlight
Press button (B, fig. 6) within 5 seconds after the ignition
key is turned to the ON position to adjust the brightness of
the backlight. The brightness changes at each press of the
button.
Warning
Any adjustments to the instrument panel must
only be carried out when the motorcycle is stationary.
Never operate the instrument panel controls while riding.
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