TS21 User Manual
This section contains the user manual for the TS21.
In This Manual
| Section | Description |
|---|---|
| Introduction | TS21 manual section |
| General Operations | TS21 manual section |
| Technical Specifications | TS21 manual section |
| Typical Applications | TS21 manual section |
| AR Stakeout | TS21 manual section |
| Visual Positioning | TS21 manual section |
| Terminology | TS21 manual section |
Document Information
Revision History
Version Revision Date Change Summary
1.0 20251105 Initial Release
TS21 GNSS Receiver User Agreement
Copyright © 2025 Tersus GNSS Inc.
CAUTION! Please read this notice carefully before using TS21 GNSS Receiver. Use of TS21 GNSS Receiver indicates acceptance of the terms and conditions of the User Agreement.
Thank you for using TS21 GNSS Receiver! This agreement is a legally binding contract between Tersus GNSS Inc. and you regarding the user of TS21 GNSS Receiver. Please read all the terms and conditions listed in the agreement carefully. Use of TS21 GNSS Receiver indicates that you have agreed to accept all of the terms of this Agreement. If you have any questions about the content of the terms of this Agreement, please contact Tersus GNSS Inc. If you do not agree to any of the terms and conditions of this Agreement, please do not proceed with the subsequent operations.
1.License
Tersus provides users with free licenses for Tersus software and related materials, for the purpose of product needs and improvement, when users use Tersus products. Tersus does not guarantee that the free license will not be changed. The license fee will be calculated according to the price published on Tersus official website [http://www.tersus-gnss.com]. Before you pay the license fee as agreed, Tersus will reserve the right not to provide you with Tersus software and related materials. Without the permission of Tersus, users are not allowed to resell it to a third party or use Tersus sofaware and related materials to obtain income through other means in any way.
2.Proprietary Rights
The user agrees that Tersus software and related materials shall belong to Tersus, and Tersus retains exclusive ownership of the trademarks and service marks represented by its company name and logo and all of the documentation related. The user agrees that all technologies, algorithms and processes contained in Tersus software constitute commercial secrets, and the user will protect them. User may not reverse engineer, decompile or disassemble the software, nor alter images used in the software and the documentation. The user are not allowed to copy, modify, and reproduce relevant information, no matter it is modified or translated into another language, unless the permission of Tersus is obtained. The user agrees that if the user violates this agreement, he will be liable for damages determined by the court.
3.Customer Service
According to the situation of users using TS21 GNSS Receiver, Tersus will continue to add features, improve performance and experience. Although it is the Tersus's customary practice to provide reasonable assistance and support in the use of Tersus products to customers, Tersus shall not be obligated to any user to provide technical assistance or support through this agreement, and may at Tersus's sole election charge a fee for customer service.
4.Update Policy
Tersus may regularly or irregularly, update the firmware of TS21 GNSS Receiver to add functions or fix issues. Tersus is not obliged to provide updates or modifications to any user, nor do we guarantee that that updates or modifications are fully in line with expectations.
5.Disclaimer
Tersus will try best to make that the function of TS21 GNSS Receiver run normally and the data calculation is correct, but Tersus does not guarantee that all functions of the TS21 GNSS Receiver meets the expectations, the data calculation is correct and the stability of the TS21 GNSS Receiver runs stably. Tersus and distributors will not be liable for any indirect, special, incidental, consequential or exemplary damages caused in any way.
6.Termination
This agreement is hereby terminated by mutual agreement or by any breach of any one or more provisions of this agreement by either party. In such cases, all rights of Tersus shall remain in force and effect. Any protected information data of user maintained on database shall upon notice to the user and at the discretion of Tersus may be destroyed.
7.Copyright
Tersus TS21 GNSS Receiver and related materials (including, but not limited to, any images, photographs, animations, video, audio, music or text incorporated into the TS21 GNSS Receiver), and all intellectual property rights associated with it, whether exists in a tangible media or in an electronic media is owned by Tersus. You may not remove or alter any trademark, logo, copyright and other proprietary notice in or on the products.
8.Other
Tersus has the right to amend all the contents of this agreement and product policy, and the right to interpret them within the scope of law.
This agreement will be effective once it is published, and Tersus has the right to modify the content of the agreement at any time, and the modified results will be published on the Tersus website. If you do not agree with the modifications made, you have the right to stop using TS21 GNSS Receiver. If the user continues to use, it is deemed that the user accepts the modifications.
The conclusion, implementation and interpretation of this agreement and the settlement of disputes shall be governed by the laws of China and subject to the jurisdiction of the Chinese courts. If any dispute arises between the parties regarding the content of this agreement or its implementation, the parties shall try to resolve it through friendly consultation; if consultation fails, either party may file a lawsuit in the court where Tersus GNSS is located.
Notices
Restriction of User of Certain Hazardous Substances (RoHS)
Tersus GNSS Inc. declares that TS21 GNSS receiver is in compliance with the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS) RoHS Directive 2011/65/EU and its Amendment Directives (EU) 2015/863.
Waste Electrical and Electronic Equipment (WEEE)
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| 
| > This product must not be disposed with household waste. |
| | > |
| | > Dispose of the product appropriately in accordance with the national regulations in force in your country. |
| | > |
| | > Always prevent access to the product by unauthorised personnel. |
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| > Product-specific treatment and waste management information can be received from your local Tersus distributor. | |
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Safety Information
Make sure that you have read and understood all safety requirements before you start using Tersus product.
Conventions
The following conventions are used in this manual:
[!] Information that supplements or clarifies text.
A caution that actions, operation or configuration may lead to incorrect or improper use of the hardware.
A warning that actions, operation or configuration may result in regulatory noncompliance, safety issues or equipment damage.
The following notices apply to all three versions of TS21 GNSS receivers.
Operating or storing the receiver outside the specified temperature range can damage it.
Changes or modifications to this equipment not expressly approved by Tersus could void the user's authority to operate this equipment or even has risk to damage the receivers.
DO NOT use the receiver in a thunderstorm as there is increasing risk of being stuck by lightning.
Install the radio antenna before switching the radio transceiver to transmit mode, or the radio transceiver may be damaged due to overheating. The energy to be transmitted cannot be emitted out without the antenna, which may cause the temperature rise and overheat of the radio module.
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| | Safety: exposure to radio frequency (RF) |
| | |
| | Exposure to RF energy is an important safety consideration. Although our product is compliance with the safety standard released by various standard organizations, the following precautions are recommended to ensure low exposure to radio frequency radiation. |
| | |
| | - DO NOT operate the transmitter when someone is within the following distances of the antenna: |
| | |
| | {=html} | | | <!-- --> | | | |
| | - Bluetooth, Wi-Fi, GSM/UTMS -- less than 20cm |
| | |
| | - 450-470MHz UHF radio -- less than 47cm |
| | |
| | {=html} | | | <!-- --> | | | |
| | - DO NOT operate the transmitter unless all RF connectors are secured and any open connectors are properly terminated. |
| | |
| | - DO NOT operate the equipment near electrical blasting caps or in an explosive atmosphere. |
| | |
| | - All equipment must be properly grounded. |
| | |
| | - All equipment should be serviced only by a qualified technician. |
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Related Documentation
Table 0.1 Document and software used in this user manual
Name Description Link
Nuwa Survey application running on Android, David, Oscar, Oscar Trek, TS21 and other NMEA devices can be configured with Nuwa. https://www.tersus-gnss.com/software/software
Support
If there is any problem and the information needed cannot be found in the product documentation, log a technical support ticket in our tracking system https://tersus.supportsystem.com/ , or mail to support@tersus-gnss.com.
Table of Content
[Revision History 2](\l)
[TS21 GNSS Receiver User Agreement 3](\l)
[Notices 6](\l)
[Safety Information 7](\l)
[Table of Content 10](\l)
[1. Introduction 13](\l)
[1.1 Overview 13](\l)
[1.2 Receiver features 14](\l)
[1.3 Devices in the package 15](\l)
[1.3.1 TS21 GNSS receiver 15](\l)
[1.3.2 Type-C to USB cable 19](\l)
[1.3.3 Adapter 20](\l)
[1.3.4 TC80 controller 21](\l)
[1.3.5 Other accessories 24](\l)
[2. General Operations 26](\l)
[2.1 Setting up TS21 26](\l)
[2.1.1 Insert the SIM card 26](\l)
[2.1.2 Fix TS21 on a ranging pole 27](\l)
[2.2 TS21 configuration 28](\l)
[2.2.1 Connect TS21 in Nuwa 28](\l)
[2.2.2 Registration 29](\l)
[2.2.3 Configure rover 29](\l)
[2.3 Data download 30](\l)
[2.3.1 Connection 31](\l)
[2.3.2 Download static data 31](\l)
[2.3.3 Download debug data 32](\l)
[2.4 Firmware upgrade 33](\l)
[2.5 Operations of TC80 controller 37](\l)
[2.5.1 Insert SIM card and SD card 37](\l)
[2.5.2 Using of touch screen 37](\l)
[3. Technical Specifications 39](\l)
[3.1 TS21 GNSS receiver 39](\l)
[3.2 TC80 controller 42](\l)
[3.3 Radio whip antenna 43](\l)
[4. Typical Applications 45](\l)
[4.1 Rover operation 45](\l)
[4.2 Static survey 50](\l)
[4.3 Tilt survey 51](\l)
[4.3.1 Tilt initialization 51](\l)
[4.3.2 Tilt survey 53](\l)
[4.4 Issues and solutions 55](\l)
[5. AR Stakeout 58](\l)
[5.1 Introduction 58](\l)
[5.2 Start AR Stakeout 58](\l)
[5.3 Go to the Target 59](\l)
[6. Visual Positioning 60](\l)
[6.1 Introduction 60](\l)
[6.2 Connect and Take Video 60](\l)
[6.3 Photo Groups 62](\l)
[6.4 Quick Survey 62](\l)
[6.5 Sparse Point Cloud 64](\l)
[6.6 Adv Survey 65](\l)
[6.7 Dense Point Cloud 66](\l)
[7. Terminology 68](\l)
Support: support@tersus-gnss.com