Ducati MONSTER 1200 Owner's Manual page 271

Deleting associated devices
From the Bluetooth setting menu it is possible to
access the list of the paired devices on the left.
From the list of paired devices, user can select the
device to be deleted by pressing button (1) or button
(2). When the device is selected and the relevant
DEL label is green, press button (4) for at least two
seconds to eliminate the device from the paired
device list.
Select EXIT by pressing button (1) or (2) and pressing
button (4) you quit the Bluetooth Setting Menu and
go back to the main Setting Menu screen.
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