FOREWORD

Contents

FOREWORD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

General Handling Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Display for Safe Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Exceptions from Responsibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Laser Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Standard Set Composition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1 NOMENCLATURE AND FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

1.1 Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11.2 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31.3 Operating Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-41.4 Function Key (Soft Key) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-51.5 Star key (*key) mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-71.6 Auto Power Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-111.7 Data Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-111.8 Rotating Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

1.8.1 Rotating by H/V Shuttle and H/V Jog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-111.8.2 Auto Inversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-111.8.3 Rotating automatically to a required Horizontal and Vertical angle . . . . . . . . . . 1-111.9 Using together with RC-2II Remote Control System. . . . . . . . . . . . . . . . . . . . . . . . . . 1-121.10 Using connecting with Personal Computer (PC). . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

2 PREPARATION FOR MEASUREMENT . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.1 Power Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12.2 Setting Instrument Up For Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22.3 Power Switch Key ON. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32.4 Battery Level Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-42.5 Main Menu Icons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-52.6 Vertical and Horizontal Angle Tilt Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-62.7 Compensation of Systematic Error of Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-72.8 Resume Mode ON/OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-82.9 How to Enter Numerals and Alphabet Letters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-82.10 Memory Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-92.11 Inclination of Prism and Measuring Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

3 AUTOMATIC TRACKING / AUTOMATIC COLLIMATION . . . . . . . . . . 3-1

3.1 Automatic Tracking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13.2 Automatic Collimation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33.3 Range of Laser for Auto-tracking and Auto-collimating . . . . . . . . . . . . . . . . . . . . . . . .3-43.4 Setting Parameters for Auto-Tracking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 3.4.1 Setting Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 3.4.2 How to set the parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

4 STANDARD MEASUREMENT MODE . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4.1 Angle Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14.1.1 Measuring Horizontal Angle Right and Vertical Angle . . . . . . . . . . . . . . . . . . . . . 4-14.1.2 Switching Horizontal Angle Right/Left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24.1.3 Measuring from the Required Horizontal Angle . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24.1.4 Vertical Angle Percent Grade(%) Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34.1.5 Automatic Rotation to a Required Horizontal and Vertical Absolute Angle . . . . . 4-4

4.2 Distance Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54.2.1 Setting of the Atmospheric Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54.2.2 Setting of the Correction for Prism Constant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54.2.3 Distance Measurement (Continuous Measurement) . . . . . . . . . . . . . . . . . . . . . . 4-54.2.4 Distance Measurement (Single/N-times Measurement) . . . . . . . . . . . . . . . . . . . . 4-64.2.5 Fine / Coarse Measuring Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-84.2.6 Stake Out (S-O) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9

4.3 COORDINATE MEASUREMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10 4.3.1 Setting Coordinate Values of Occupied Point . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10 4.3.2 Setting of the Instrument Height / Prism Height . . . . . . . . . . . . . . . . . . . . . . . . . 4-12 4.3.3 Execution of Coordinate Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13

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Topcon GTS-821A, GTS-822A, GTS-823A, GTS-825A instruction manual Contents
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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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