Wacker Neuson DPU 6555, Operator'S Manual

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Description
T01005GB.fm
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2.3.2 Main function
The display unit provides a "rough guide" to the operator of progress
during compaction work.
The number of LEDs that light up depends on the soil density (the
higher the number of LEDs, the greater the soil density).
The identification of flawed points (points with material that cannot be
compacted or a high percentage of water) is not possible if the flawed
point is longer than one meter. Note that the display has an integrating
(dampening) effect. A sudden change from highly compacted to
minimally compacted soil (or vice versa) will not provoke an equally
sudden change in the information displayed by the unit but rather to a
gentle fall or rise.
To protect the machine, the display unit warns of overcompaction
through rapid flashing of all eight LEDs. The brightness of the LEDs is
controlled by a sensor and automatically adjusts to the lighting
conditions of the working area.