11Rotate the vertical tangent screw, and sight ground point G.

12Press [F6] (SET) key, line height (LH) and horizontal distance (Off) are displayed.

Sight G

[F6]

 

 

5 PROGRAM MODES

 

 

 

 

 

LINE

 

 

 

 

G-POINT

 

 

 

V :

90°40'20"

 

 

EXIT

 

 

SET

 

 

 

 

 

 

 

 

 

 

 

LINE

 

 

 

 

LH:

 

33.765

m

 

Off:

 

27.521

m

 

EXIT

VD

 

NEXT

 

 

 

 

 

 

lTo finish the measurement, press the [F1](EXIT) or [ESC] key. l To return to operation procedure 9 , press the [F2](VD) key.

l To return to operation procedure 11 , press the [F6](NEXT) key.

The NEXT key is used when the ground point G is not clear and you would like to check another ground point G on the same vertical line.

5-13

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Topcon GTS-821A, GTS-822A, GTS-823A, GTS-825A instruction manual Line Point, Exit SET Line, Exit Next

GTS-822A, GTS-825A, GTS-821A, GTS-822A, GTS-823A, GTS-825A, GTS-823A specifications

Topcon's GTS series of total stations, including the GTS-821A, GTS-822A, GTS-823A, and GTS-825A, are known for their robust features and exceptional precision, catering to the needs of surveying and construction professionals. These instruments blend advanced technology with user-friendly interfaces to enhance productivity in the field.

The GTS-821A model is designed for reliability and accuracy. It offers a measurement range of up to 1,000 meters and delivers precision within ±2 millimeters, making it ideal for jobs requiring fine detail. Key features include a high-speed angle measurement system and a dual-axis compensator that ensures accuracy on uneven terrain.

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The GTS-823A represents a perfect blend of portability and advanced functionality. It is lightweight, making it easy to transport between job sites. This model incorporates GPS capabilities, allowing seamless integration with GNSS systems for enhanced positioning accuracy. Its onboard software supports various surveying methods, making it versatile for different applications.

The GTS-825A stands out for its advanced features tailored for high-precision tasks. This model supports wireless communication, enabling real-time data transfer to smartphones and tablets, which enhances collaboration in fieldworks. With an impressive measurement capability, it extends the measurement range and precision, meeting the demands of large-scale projects.

All models in this series share a durable design reputation, ensuring they withstand harsh environmental conditions. Their user-friendly interfaces are complemented by robust software support, providing surveying professionals with the tools they need to optimize their workflows.

In summary, Topcon’s GTS series, including the GTS-821A, GTS-822A, GTS-823A, and GTS-825A, represent the cutting edge of surveying technology, boasting features like extended measurement ranges, high precision, advanced EDM, and GPS integration. These instruments not only enhance productivity but also ensure that professionals can achieve their surveying goals efficiently and effectively. Whether for routine land surveys or complex construction projects, the Topcon GTS series delivers exceptional performance and reliability.