Ducati Scrambler Owner's Manual page 67

Note
By setting "–" (Off), the ABS will be disabled and
the relevant warning light will start flashing.
Important
When setting the ABS OFF, Ducati
recommends paying particular attention to the
braking and riding style.
If the ABS is in fault, "Err" is displayed when entering
the function and Menu will indicate "NO RQ", since
no selection is actually possible. "EXIT" box is flashing.
Press button (4) for 3 seconds to quit the function.
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Fig. 35
Fig. 36