Press this button to set the number of hours that the
fan should operate; it can be set 1-7 hours. Pressing
1x=1 hour, pressing 2x=2 hours etc.
In the Standard mode the fan speed can be set
(Low, Medium, High, Turbo).
In the Natural (NAT) mode the fan speed can is
automatically alternated to imitate a natural wind. With
the SPEED button you can choose Natural wind-Low,
Natural wind-Medium, Natural wind-High, Natural
wind-Turbo.
In the Nicht (SLE) mode the fan speed is
automatically alternated to imitate a Sleep wind. With
the Speed button this mode can be chosen for Sleep
wind-Low, Sleep wind-Medium, Sleep wind-High of
Sleep wind-Turbo. The average fan speed depends on
the choise Low, Medium, High, Turbo. The average fan
speed in the Sleep wind mode is lower than in the
Natrural wind mode because of the noise level.
