Ducati MONSTER 1200 Owner's Manual page 69

antenna integrated in the ignition switch upon
starting.
Such modulated signal represents the "password",
that changes upon every starting, that allows the
control unit to acknowledge the key and thus
starting the engine.
If in this case you not able to start the engine,
contact an authorised Ducati service centre.
Attention
Strong impacts could damage the electronic
components inside the key. During the procedure
always use the same key. Using different keys may
prevent the system from acknowledging the code of
the inserted key.
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