Spectra Precision Survey Pro v4.5 Ranger Reference Manual - Manual (Page 381)

Cogo Menu
R-373
SD/ZA to HD/VD
Cogo SD/ZA to HD/VD .
The SD/ZA to HD/VD screen will convert a slope distance and zenith
angle to an equivalent horizontal distance and vertical distance.
Slope Dist: is the slope distance to be
converted.
Zenith: is the zenith angle to be converted.
HI: is the distance that the total station is
above the ground.
HR: is the length of the rod.
: opens the Smart Target options (Page R-
449).
; Earth Curvature Adjust : When checked, the
computed horizontal distance and vertical
distance will account for the curvature of the earth and refraction.