Topcon GPT-2003 Manuel d'utilisateur télécharger pdf (Page 45)

4-13

4 DISTANCE MEASUREMENT

4.7.4 Column Offset Measurement

If it is possible to measure circumscription point (P1) of column directly, the distance to the center of the

column (P0), coordinate and direction angle can be calculated by measured circumscription points (P2)

and (P3).

The direction angle of the center of the column is 1/2 of total direction angle of circumscription points

(P2) and (P3).

● When setting the coordinate value for the occupied station, refer to Section 5.1 “Setting Coordinate

Values of Occupied Point”.

Example: Non-prism measurement

Operating procedure Operation Display

1 Press the [F4](P1

↓

) key from distance measuring

mode to get the function on page 2.

[F4]

2 Press the [F1](OFSET) key.

[F1]

3 Press the [F4](P

↓

) key.

[F4]

4 Press the [F1](COLUMN OFFSET) key.

[F1]

5 Press the [F3](NP/P) key to change to the non-

prism mode.

[F3]

HR: 120°30'40"

HD: 123.456 m

VD: 5.678 m

MEAS MODE NP/P P1

↓

OFSET S.O S/A P2

↓

OFFSET 1/2

F1:ANG.OFFSET

F2:DIST.OFFSET

F3:PLANE OFFSET P

↓

OFFSET 2/2

F1:COLUMN OFFSET

↓

COLUMN OFFSET

Center

HD: m

MEAS --- NP/P ---

COLUMN OFFSET

Center

HD: m

MEAS --- NP/P ---

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 167 168

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Topcon GPT-2003 Manuel d'utilisateur Page 45

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