Topcon GPT-2000 用户手册

4-9

   4 DISTANCE MEASUREMENT

Measuring distance and coordinate of the center of a pond or a tree of which the radius is known.
Measuring the distance or coordinate till P0 point, input 

 

oHD value as an offset value and measure P1 

point showing as following draw in distance offset measurement. The display shows distance or 
coordinate value until P0 point.

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When setting the coordinate value for the occupied station, refer to Section 5.1 “Setting Coordinate 
Values of Occupied Point”.

Press the [F4](P1

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) key from distance measuring 

mode to get the function on page 2.

[F4]

Press the [F1](OFSET)  key.

[F1]

Press the [F2](DIST. OFFSET)  key.

[F2]

Press the [F1](INPUT) key and enter a offset 
value, and press the [F4](ENTER) key.

[F1]

Offset 

value

[F4]

Collimate prism P1, and press the [F1](MEAS) 
key.
Measuring will start.

Collimate 

P1

[F1]

Occ. Point

oHD < 0

oHD >0

P1

P1

P0

In case the measuring  point of (P1) is front side than that of requiring 
point of (P0), the offset value shall be plus, and if it is rear side, the 
offset value shall be minus.

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