APRILIA tuono v4 Owner's Manual page 38

NOTE
THIS MODE CAN ONLY BE ACCESSED IF THE ATC (Aprilia Traction Control)
SYSTEM IS ACTIVE.
This mode allows the rider to set/activate AWC (Aprilia Wheelie Control) level and set
ALC (Aprilia Launch Control) levels, with the vehicle at a standstill.
After selecting the function A-PRC SETTINGS, press the MODE selector briefly to
access the AWC and ALC level settings screen.
The AWC level is selected automatically and displayed in negative against a black
background. Press the "+" and "-" buttons briefly to increase or decrease the level
setting from "1" (minimum system intervention) to "3" (maximum system intervention).
To deactivate the system, set the minimum level "1" then press and hold "-".
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Press and hold "+" to activate again.
To set the ALC level from the adjustment screen (accessible from A-PRC SETTINGS),
push the MODE selector briefly to the left so that the ALC level is displayed in negative
against a black background.
Press the "+" and "-" buttons briefly to increase or decrease the ALC level setting from
"1" (minimum system intervention) to "3" (maximum system intervention).
CAUTION
TO GAIN FAMILIARITY WITH THE AWC AND ALC SYSTEMS, PREFERABLY USE
LEVEL "3" TO START WITH. AND THEN, ONCE YOU FEEL COMFORTABLE
WITH THE SYSTEMS, TRY THE OTHER LEVELS TO IDENTIFY WHICH ARE THE
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BEST SUITED TO YOUR RIDING STYLE AND FOR DIFFERENT ROAD AND
WEATHER CONDITIONS.
LEVEL "1" IS RECOMMENDED FOR USE BY EXPERT RIDERS IN IDEAL ROAD
SURFACE CONDITIONS.
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