indicator on the display-operating unit on a
regular basis to ensure that they do not ex-
ceed the maximum speed permitted for the
environment.
●
Entering a hall
The ceiling sensor system automatically de-
tects when the truck enters a hall. The sys-
tem then automatically slows the truck to
the maximum speed that is set for the hall.
The "Speed restriction" symbol
appears
in the display.
●
Leaving a hall
If the truck leaves the hall again, the ceiling
sensor system enables the maximum speed
set for areas outside the hall. Due to the
range of the sensor, this may not happen
until the truck is a few metres away from the
hall exit. Before the truck is able to acceler-
ate to the maximum speed permitted for
outdoor areas, the speed limitation must still
be unlocked. To do this, release the accel-
erator briefly and then operate the accelera-
tor again.
●
Switching on the truck in a hall
If the truck is switched on inside a hall, the
ceiling sensor system detects the hall ceil-
ing and reduces the driving speed to the
maximum speed that is set for halls.
Possible limitations for object recogni-
tion
●
If the truck moves under larger overhead
structures outdoors, e.g. a pedestrian
bridge, the ceiling sensor system may inter-
pret this overhead structure to be a hall ceil-
ing and reduce the maximum speed.
●
In rare cases, it may occur that the ceiling
sensor system does not recognize a ceiling
and does not then reduce the speed. This
can happen if the signals from the ceiling
sensor are insufficiently reflected due to the
ceiling geometry; for example, if there are
large window areas at a 45° angle.
In these cases, the sensitivity and the range of
the ceiling sensor system must be adjusted.
See the following section.
Operation
4
Auxiliary equipment
33756368011531 EN - 01/2021 - 05
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