•Read the automatically compensated angles when the display has stabilized.
•The horizontal angle error (vertical axis error) fluctuates according to the vertical axis, so when the instrument is not completely leveled, changing the vertical angle by rotating the telescope will cause the displayed horizontal angle value to change.
•Compensated horizontal angle = Measured horizontal angle + Tilt in angle/tan (Vertical angle)
•When the telescope is directed close to the zenith or nadir angle, tilt compensation is not applied to the horizontal angle