FAQ

What is the Vertical Distance?
vertical Distance between center of transit and point on rod intersected by middle horizontal crosshair. Vertical Distance is usually measured using the Meter for Length. Note that the value of Vertical Distance is always positive.
Can the Vertical Distance be negative?
No, the Vertical Distance, measured in Length cannot be negative.
What unit is used to measure Vertical Distance?
Vertical Distance is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Vertical Distance can be measured.
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