Porsche 911 GT3 RS User Handbook Manual page 47

Depending on which mode is set,
and the road conditions detected,
the system automatically selects
the best damper application within
the two setup ranges.
A range of sensors monitor the
movement of the body during
acceleration and braking or
on uneven surfaces. The PASM
control unit then specifically
adjusts the damping force,
depending which mode is
selected. Pitch and roll are
reduced and the road contact of
each individual wheel is optimised.
In 'Sport' mode the suspension is
automatically set to a harder rating
specially designed for use on the
racetrack. The system will detect
any unevenness on the surface and
then, to improve road contact, it
switches within a few milliseconds
to a softer rating within the sport
or stiff set-up range. When the
track surface becomes even again,
PASM returns to the original harder
rating.
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In 'Normal' mode, if the driving
style becomes more dynamic, the
system automatically switches
to a sports-oriented rating within
the normal set-up range. The
suspension becomes stiffer so
that driving stability and safety
are increased.