1 NOMENCLATURE AND FUNCTIONS

lThe symbol marks for Auto-tracking and Auto-collimating

 

Auto-collimating

 

 

Auto-tracking

 

(Laser is emitting)

 

 

(Laser is emitting)

 

GTS-820A series is in auto-

 

 

GTS-820A series is in auto-

 

collimating status.

 

 

tracking status.

 

 

 

 

 

 

Waiting (Laser is emitting)

 

 

Searching (Laser is emitting)

 

GTS-820A series is in waiting

 

 

GTS-820A series is searching a

 

status.

 

 

prism.

 

 

 

 

 

 

Failure in auto-collimating.

 

 

 

 

(Laser is off)

 

 

 

 

GTS-820A series could not find

 

 

 

 

the target prism during auto-

 

 

 

 

collimating.

 

 

 

 

 

 

 

 

1.3 Operating Key

KEY

NAME

FUNCTION

 

 

 

F1~F6

Soft key

Functions are according to the displayed message.

 

 

 

0~9 . -

Numeric key

Numeric Character Entry for Preset Data

 

 

 

A ~/

Alpha key

Alpha Character Entry

 

 

 

ESC

Escape key

Escape to Previous Display or Menu

 

 

 

*

Star key

Optional instrument functions

 

 

 

ENT

Enter key

End operation of data input and accepts data

 

 

 

POWER

Power key

ON/OFF of power source.

(Power key is located on the side of the instrument.)

 

 

 

 

 

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Topcon GTS-821A, GTS-822A, GTS-823A, GTS-825A instruction manual Operating Key, Laser is emitting, Laser is off
Page 14 Page 16

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.

In contrast, the GTS-822A model takes performance a step further by incorporating advanced optical technologies. It includes a high-performance EDM (Electronic Distance Measurement) that allows for faster measurements with a range extending up to 2,000 meters. This model also integrates a clear display and simple user interface, facilitating easier operation for users of all skill levels.

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.
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