Resection

• Also known as a free-station, Resection is an application used to determine the instruments position from measurements to known points, performing a station setup.

• A minimum of 2 known points and a maximum of 10, can be used to determine the position.

  

Open resection program

• From the main page, select 2.Program, and then F3-Resection to start a free-station.

  

Job selection

• If the job has not been set yet, then you can select F1- Set Job, to either create a new job or choose an existing job from memory.

• Clicking on OK will validate and return to the Surveying page.

  

Error limits

• To activate the errors limits, select On as Status.

  

• Input the 3 error limits, for X, Y & Z

• Validate with OK.

• And finally press F4-Start to start the free-station.

Station definition

• Input a name for your free-station, and the instrument height and press OK

  

Selection of known points

• Input the name of the first reference point, and the height of the target, and validate with OK.

• For the name, you can either:

  • Search for an existing point by entering the point name (Find),

  • or select a point from the list of existing points (List),

  • or by manually entering the point’s coordinates (Coord.).

Measurement of known points

• Aim your target and press ALL to take the measurement.

  

• To set another known point, press NEXT PT and repeat the steps 5 & 6.

The results could be displayed once a minimum of 2 measured target points is reached.

Results

• Press Result to calculate and display the station position.

  

• The results page gives an overview of the station position along with the standard deviations.

  

  • To add a measurement of another target point, press Back.

  • To display the standard deviations, press Errors.

  • To accept the result and set the station, press OK