
DS series Instructions manual
6
2.2.2. Minimum distance from reflecting surfaces
Reflecting surfaces placed near the light beams of the AREAscan
TM
device (over, under or laterally) may cause passive reflections; these
reflections could compromise the recognition of an object inside the
controlled area (see Fig.1).
Fig. 1
However, if the receiver detects a secondary beam (reflected by the
side-reflecting surface) the object cannot be detected, even if the main
beam is interrupted by the entering object.
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