Press this button to set the number of hours that the
fan should operate; it can be set to 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 is
automatically alternated to imitate a natural wind. With
the SPEED button you can choose Natural wind-Low,
Natural wind-Middle, Natural wind-High or Natural
wind-Turbo. The average fan speed depends on the
choice Low, Medium, High, Turbo.
In the Night (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-Middle, Sleep wind-High or
Sleep wind-Turbo. The average fan speed depends on
the choice Low, Medium, High, Turbo.
The average fan speed in the Sleep wind mode is lower
than in the Natural wind mode i.v. the noise level.
