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5-3
5 COORDINATE MEASUREMENT
5.4 Execution of Coordinate Measuring
Measure the coordinates by entering the instrument height and prism height, coordinates of unknown
point will be measured directly.
● When setting coordinate values of occupied point, see Section 5.1 “Setting Coordinate Values of
Occupied Point”
● When setting the instrument height and prism height, see Section 5.2 “Setting Height of the
Instrument” and 5.3 “Setting Height of Target (Prism Height)”.
● The coordinates of the unknown point are calculated as shown below and displayed:
Coordinates of occupied point : (N
0
,E
0
,Z
0
)
Instrument height : INS.HT
Prism height : R.HT
Vertical distance (Relative elevation) : z (VD)
Coordinates of the center of the prism,
originated from the center point of the instrument : (n,e,z)
Coordinates of unknown point : (N
1
,E
1
,Z
1
)
N
1
=N
0
+n
E
1
=E
0
+e
Z
1
=Z
0
+INS.HT+z - R.HT
Operating procedure Operation Display
1 Set the direction angle of known point A. *1)
2 Collimate target prism.
Set direction
angle
Collimate P
3 Press the [ ] key.
Measuring starts.
The result will be shown.
[]
*1) Refer to Section 3.3 “Measuring from the Required Horizontal Angle”.
● In case the coordinate of instrument point is not entered, (0,0,0) will be used as the default for the
instrument point.
The instrument height will be calculated as 0 when the instrument height is not entered.
● The prism height will be calculated as 0 when the prism height is not set.
Origin (o, o, o)
Occupied point (No, Eo, Zo)
Center point of the instrument
(No, Eo, Zo+INS.HT)
Coordinates of the center of the prism, originated from the
center point of the instrument (n, e, z)
Unknown point
(N
1, E1, Z1)
V : 90°10'20"
HR: 120°30'40"
0SET HOLD HSET P1
↓
N*[r] << m
E: m
Z: m
MEAS MODE NP/P P1
↓
N* 123.456 m
E: 34.567 m
Z: 78.912 m
MEAS MODE NP/P P1
↓