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12. DISTANCE MEASUREMENT
An REM measurement is a function used to measure the height to a point where
a target cannot be directly installed such as power lines, overhead cables and
bridges, etc.
The height of the target is calculated using the following formula.
Ht = h1 + h2
h2 = S sin
θ
z1 x cot
θ
z2 - S cos
θ
z1
• The items displayed as <Null> in the coordinate data are excluded from the
calculation (Null is different from 0).
PROCEDURE
1. Set the target directly under or
directly over the object and
measure the target height with a
tape measure etc.
2. After inputting the target height,
accurately sight the target.
“
”
Press
[MEAS]
in page 1 of Obs
Mode to carry out measurement.
12.6 REM Measurement
Zenith
Zenith