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The DQS with up/down feature allows the rider to
upshift and downshift without using the clutch lever.
It includes a two-way microswitch - built in the lever
mechanism - that outputs a signal to the engine
control unit whenever the gearshift is operated.
The system works in a separate way for upshifting
and downshifting, and combines the action on
ignition advance and injection, available in the upshift
system, with controlled throttle opening for operation
during downshifting. Extent and duration of these
actuations aim at ensuring excellent engagement
smoothness under any riding condition; system
works in synergy with slipper clutch and EBC during
downshifting.
When downshifting, according to the EBC level set
by the rider, the DQS strategy changes the extent and
duration of throttle opening so as to modulate engine
brake exactly when a lower gear is engaged. With
EBC set to OFF and 1, rider obtains maximum engine
brake; medium engine brake in level 2 and the least
engine brake in level 3.
For further details on level selection, refer to
paragraph page 75 concerning the EBC system.
The user can decide whether to activate only the
upshift feature or both up and down features of the
DQS, using the relevant menu on the instrument
panel.
67
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