Leica Builder 405 Total Station: Resection Backsite Method Guide

Resection of Leica builder 405,402 & 502

In this guide, we’ll walk through using the Resection Back-site Method on the Leica Builder 405 Total Station, a useful technique when a known station isn’t available.

1. Preparing Your Machine

• Turn on the machine, ensure correct leveling (bubbling) and centering.
• Familiarize yourself with the interface. You’ll see three main pages:
  • APP (for layout, as-built tasks)
  • Measure
  • Setup

2. Setting Up the Resection Method

• In the Setup menu, select Coordinate.
• Choose Anywhere (Resection Method) from the options.
• The machine will prompt for instrument height and rod height (reflector height).

3. Selecting Reference Points

• The machine will ask for your first reference point. Target the prism, then click Measure.
• Repeat with a second reference point. After measuring the second point, the machine will calculate and provide you with options: No, Next Point, or Yes.

4. Adding a Third Point (Optional)

• To increase accuracy, select a third point and repeat the measuring process.
• After measuring the third point, the machine will show the calculated results.

5. Finalizing the Setup

• Review the points and click Yes if satisfied.
• The main screen will confirm that the station and orientation are set, indicating the machine is ready for work.

Your Leica Builder 405 is now calibrated with the resection method and ready to accurately assist with measurements in the field.

Resection of Lieca builder 405 

 Before starting any work by total station we give some reference points to total station that gives results about that's point and the reference points are given us in the drawing as coordinates. 

And this method is called resection 

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The resection method of lieca bulder 405,402 and 502 are same. Because of same function of lieca builder. 

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Therefore the resection method is explained in this vedio in urdu /hindi language. 

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If you want to learn resection method of lieca builder 405,402,and 502 click the link below. here you can learn from this vedio. Also subscribe this channel 

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https://youtu.be/S7cw5JAMuLU