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6. FREE STATIONING
The Station point Coordinates is calculated from the plural known points. To gain the Coordinates, at
least two H. angles and one distance or three H. angles are required. If not so, the error message of
“Not enough data to Calculate! 2 angles and 1 distance, 3 angles are required” appears.
First, input the height of the IH, Instrument height.
6.1 Stationing by more than 3known points
4 known points stationing (For example)
Press [F4][FREE] of the PowerTopoLite screen to view the
IH input screen.
Input the IH value.
Aim at Point 1.
Press [ENT] to view the KNOWN POINT COORD. SETUP
screen.
Press [ENT] to open the PN, X, Y, Z, IH and PC input window and input each.
Then, press [ENT] and [ACCEPT] to view the MEASURE screen.
SP
Coordinates
?
Point 1
Point 3
IH
Point 4
Point 2
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