Operation
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3.8 Guidelines for Correct Results
Very short distances may be measured reflectorless in IR mode to well
reflecting targets. Note that the distances are corrected with the additive
constant defined for the active reflector.
Distance
measurement
When measurements are being made using the red laser EDM, the results can
be influenced by objects passing between the EDM and the intended target
surface. This occurs because reflectorless measurements are made to the first
surface returning sufficient energy to allow the measurement to take place. For
example, if the intended target surface is the surface of a building, but a
vehicle passes between the EDM and the target surface as the measurement
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