Newcon Optik NEWCON LRM1500SPD - Manual (Page 17)

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Additional display information
Distance measuring procedure includes instant statistical
processing of the package of single measuring sessions. If there
is more than one measured target in the field of view, the
embedded software estimates the most probable one by
calculating the number of reflected pulses multiplied by the
target statistical weight. This mechanism allows automatic
mitigation of the influence of obstacles like rain, flakes, trees,
wires and so on.
Qualitative result of the statistical processing is presented on the
Display as a message TARGET REFLECTION (5, Fig 3).
There are three statistical qualifications of the reflected signal:
Reliability of ranging depends on the number of impulses that
reflect from the target and reach the unit. The unit informs the
user:
TARGET REFLECTION LOW – ranging results have low
statistical reliability,
TARGET REFLECTION MED – ranging results have
medium statistical reliability,
TARGET REFLECTION HIGH – ranging results have
high statistical reliability.
The target reflection feature is not available in 1500SPD model.