Miele S 658 Operating Instructions Manual page 26

^ Turn the vacuum cleaner on.
Use the p and m on the handpiece
to adjust the suction to suit the type of
flooring.
Setting 9 = no suction
Low setting = weak suction
High setting = strong suction
The floor brush will require less effort to
maneuver when the suction power is
reduced. Adjust the suction according
to the degree of soiling and type of
flooring being cleaned.
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