Pentax R-200 Series Instruction Manual page 105

Open the PN, X, Y, Z, IH and PC input window and input each. Press [ENT] to view the STATION
POINT H. ANGLE SETUP screen.
Input the H. angle.
Aim at the reference point and press [ENT] to view POINT
A COORD.SETUP screen.
Open the PN, X, Y, Z, PH and PC input window and input each of the Point A and press [ENT].
Open the PN, X, Y, Z, PH and PC input window and input each of the Point B.
Press [ENT] to view the POINT TO LINE screen.
Press [F1][MEAS] to measure.
Each distance is displayed.
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