Seenergy Magic 60 Manuel D'instructions page 56

INSTRUCTIONS
Commands ELRT
ON/OFF Engine.. By pressing this button, the engine starts as last
speed set before being switched off
Pressing the button, the engine speed is reduced
Selected functions are shown on this display
Pressing the button increases the speed of the motor. When you
reach the maximum speed, you start the Booster which remains in
use for 7 minutes before returning to the previous speed.
Pressing this button you can turn on or turn off the light
Timer. Pressing this button, the motor stays active for 5 minutes
with the speed currently in use (with a blinking light) and then, the
hood switches off completely
White Button for sensor RF (included only in models with remote
control)
Note: for volumes of air flow lower than 650mc, the Booster is not expected.