Nikon DTM-502 Series, Instruction Manual

Page: 121 / 201

2-4. Line and Offset
Calculating Coordinates from Line and Offset
Press the [4] key in the COGO menu to enter the
Line & offset function.
Type in the base point (P1) and specify the azimuth
bearing by AZ or P2 (a second point on the line).
3
MENU:
2. Cogo
P1
AZ
P
M
P2
Once the base point and bearing are established,
input the horizontal distance along the baseline (Sta),
the horizontal distance perpendicular to the line
(O/S) and the vertical distance (dVD).
P1
O/S(+)
Sta(+)
P
M’
O/S(-)
Sta(-)
P
M
•
Negative value in “Sta” means the
opposite direction along the defined
bearing line.
•
Negative “O/S” value is for the left-hand
side of the bearing line.
By pressing the [ENT] key at “dVD” field, the
coordinate of the desired point (P
M
) is calculated.
The Z-coordinate can be changed here.
Press the [ENT] key on the last line (CD field) to
record the point.
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