Topcon GTS-822A Manuel D’Utilisation
4-13
4 STANDARD MEASUREMENT MODE
4.3.3 Execution of Coordinate Measuring
Measure the coordinates by entering the instrument height and prism height, coordinates of unknown
point will be measured directly.
point will be measured directly.
l
When setting coordinate values of occupied point, see Section 4.3.1“Setting Coordinate Values of
Occupied Point” .
Occupied Point” .
l
When setting the instrument height and prism height, see Section 4.3.2“Setting of the Instrument
Height / Prism Height” .
Height / Prism Height” .
l
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
: Inst.h
Prism height
: R.h
Vertical distance (Relative elevation) : z
Coordinates of the center of the prism,
originated from the center point of the instrument
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
+ Inst.h + z - P.h
Confirm the angle measurement mode.
Operating procedure
Operation
Display
1
Set coordinates values of occupied point and
instrument/prism height. *1)
instrument/prism height. *1)
2
Set the direction angle of known point A. *2)
Set
direction
angle
3
Collimate target B.
Collimate
4
Press [F3](NEZ) key.*3)
Measuring starts.
Measuring starts.
[F3]
Origin (o, o, o)
Occupied point (No, Eo, Zo)
Center point of the instrument
(No, Eo, Zo + Inst.h)
(No, Eo, Zo + Inst.h)
Coordinates of the center of the prism, originated from the center point of the instrument (n,e,z)
Unknown point
(N
1
, E
1
, Z
1
)
V : 90
°10'20"
HR: 120
°30'40"
SD HD NEZ 0SET HOLD P1
↓
N :
<
E : PSM 0.0
Z : PPM 0.0
(m) *F.R
MEAS MODE VH SD HD P1
↓