1 NOMENCLATURE AND FUNCTIONS

1) View Date & Time

The date and time can be viewed on both screens.To change the displayed order of the date, (Date/ Month/Year), (Month / Date / Year) or (Year/Month/Date), see Chapter 8 “PARAMETERS SETTING MODE” .

To set the date and time, see Chapter 9 “CHECK AND ADJUSTMENT”.

2) Turn the auto-tracking ON/OFF

Press the [F1] key to start auto-tracking. See Section 3.1 “Automatic Tracking” .

3) Turn the auto-collimating ON/OFF

Press the [F2] key to start auto-collimating. See Section 3.2 “Automatic Collimation” .

4) Set the parameters for the auto-tracking

A proper setting for each parameter such as tracking pattern, tracking range, waiting time, tracking speed and tracking sensitivity. See Section 3.4 “Setting Parameters for Auto-Tracking” .

5) Auto Inversion

Pressing the [F4] key causes the instrument to reverse and turn the telescope and instrument automatically.

lTo stop auto rotating in case of emergency, press any keys except POWER key.

lDuring auto rotation, do not disturb the instrument.(Stopping the rotation with a touch of the hand). Such action may cause trouble or harm to instrument or operator.

6) Electric circular level graphic display

Electric circular level can be displayed by graphic. This function is good for level the instrument when the circular level is difficult to see directly.

Press the [F5] key to display the graphic.

In the displays of reverse side, the graphic bubble moves in reverse.

X:-------------

Y:-------------

X:+0°00'00"

Y:+0°00'00"

Rotate the leveling screws while observing the display.

After leveling, press [F1]. The display changes to the previous mode.

7) Adjustment the contrast of the display

This enable you to adjust the contrast of the display.

Press the [F6] key to get to Screen 2 on the display.

Press the [F1] or [F2] key to brighten or dim the display.

8) Turn the display back light ON/OFF

When the back light is OFF, the light bulb icon is dark. Press the [F6] key to get to Screen 2 on the display.

To turn the back light ON, press the [F3] key. Press [F3] again to turn the back light OFF.

OFFON

1-8

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Topcon GTS-821A, GTS-822A, GTS-823A, GTS-825A instruction manual +00000
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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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