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© Leica
TPS-System 1000-2.3.1en
157
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IX
Reduction of the range
Reduction of the range under the following
unfavourable atmospheric conditions:
• Hot sunny weather
• Strong heat shimmer
• Bright reflections of the sun in the field of view.
Such "hot-spots" can also be produced outside the
focusing range by vehicles and other shiny objects.
Counter-measures:
• Reduce the measurement distance
• Cover bright reflections
• Measure without Automatic Target Recognition
ATR1,
i.e., after the error report "No prism found ...",
target manually and trigger distance measurement
with
.
Atmospheric conditions influence the range of the
ATR1 more than that of the EDM, and so the range data
for the ATR1 are only approximate.