The Telescope - SMART MAX GEOSYSTEMS DE2A Manual

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6. Distance
crossline in the telescope
Through the sightline (up/down or left/right) in the telescope
to measure the distance between the target and the
instrument.(Accuracy ≤ 0.4%D)
⑴ Place the instrument at point A,and place the leveling staff
at B.
⑵ Read the intercepted distance of the crossline(up/down or
left/right) on the leveling staff as "d".
⑶The horizontal Distance between A and B is D(D= 100× d.)
Measurement
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