General Operations
This chapter includes setting up, configuration and other related operations.
2.1 Setting up TS20
2.1.1 Insert the SIM card
When 4G/3G/2G network is chosen for survey operation, you need to insert a nano SIM card into TS20 GNSS receiver. Insert the nano SIM card with the contacts facing outside which is shown as below.

Figure 2.1 Insert the SIM card
To eject the nano SIM card, slightly push it in to trigger the spring-loaded release mechanism.
Note: The SIM card is provided by your cellular network service provider.
2.1.2 Fix TS20 on a ranging pole
Figure 2.2 TS20 as a rover without radio antenna
Table 2.2 Devices to set TS20 as a rover without radio antenna
Device Name Quantity Items in the figure
TS20 GNSS receiver 1 1, details refer to section 1.3.1
Ranging pole 1 2, details refer to section 1.3.5
Bracket for TC80 1 3, details refer to section 1.3.5
TC80 Controller 1 4, details refer to section 1.3.4
2.2 TS20 configuration
You can configure TS20 GNSS receiver via buttons, TC80 controller or other android devices.
The detailed introduction of TC80 controller refers to section 1.3.4 and technical specification refers section 3.2. Here in this section describes how to configure TS20 via Nuwa app which is installed in TC80 controller.
2.2.1 Connect TS20 in Nuwa
The general operations of Nuwa app refer to User Manual for Nuwa App which can be downloaded on Tersus official website.

Figure 2.3 Device functional group
When TS20 GNSS receiver is powered on, to connect TS20, put TC80 controller near the NFC logo on TS20, the TC80 controller pair WiFi with TS20 automatically; or click [Device] -> [Connect] under an opened project, and select [TS20] for the Device Type which is shown as below.

Figure 2.4 Connect TS20 via WiFi
Click [Connect Config] to search and connect WiFi of TS20. The antenna is selected as [TS20] by default. Then click [Connect] to enable the communication between TC80 controller and TS20.
2.2.2 Registration
When the registration is not effective, follow below steps to complete the registration by using QR code.
Click the scan button at the top right of the device information interface and directly scan the QR code provided by kinematic to complete the registration.
2.2.3 Configure rover
To configure TS20 as a rover, back to Device interface which is shown in Figure 2.6 Device functional group, click [Rover], then create a work mode of detailed configurations for base or rover which are shown as below.

Figure 2.5 Rover configuration
Fill in the detailed information of base configuration or rover configuration, then click [OK] and back to the work mode list, select this configuration to start data transmission for rover which are shown as below.

Figure 2.6 Link status of Rover
2.3 Data download
2.3.1 Connection
TS20 can be used as an USB storage device when connecting with a computer. Before connecting TS20 to a computer, ensure TS20 is powered on. Use the Mini USB cable in the package to connect TS20 to the USB port of a computer which is shown as below.

Laptop
Figure 2.7 Connect TS20 to a computer
After completing the connection, a USB device is listed in the file browser of the computer. Find the data file needed to download, copy and paste it to a designated folder in your computer.
2.3.2 Download static data
If you want to download the recorded static data for post processing, find F:\record folder in the USB drive shown as below, and then copy the specific file you need to your computer.
Figure 2.8 Static record folder
Each folder named after the date contains rinex format and tersus binary data, which can be downloaded and processed as you need.
Figure 2.9 Static data for one day
2.3.3 Download debug data
When you don't turn on the debug mode, find F:\debug\LOG folder and you can see rtkmain.log file which includes all the operation information of the receiver.

Figure 2.10 rtkmain.log file location
To turn on the debug mode, you can click [Device] -> [Device Debug] -> [Set] in Nuwa app. The debug information includes GNSS, tilt, internal radio and NTRIP information. Select the debug info you want to record and turn on the debug mode. After you select some debug info to turn on and confirm, TS20 will record them when you are doing survey work.

Figure 2.11 Debug info folders
Send these debug info to Tersus technical support team to help solve the problems you encountered.
2.4 Firmware upgrade
View TS20 firmware version. When TS20 GNSS receiver is powered on, to connect TS20, put controller near the NFC logo on TS20, the controller will connect to TS20 automatically via WiFi; or click [Device] -> [Connect] under an opened project, and select [TS20] for the Device Type, select [WiFi] for the Connect Type. Click [Connect Config] to search and select the WiFi of TS20. The antenna is selected as [TS20] by default. Then click [Connect] to enable the communication between controller and TS20.

Figure 2.18 Connect to TS20 via WiFi
Click [Device] in the Device screen, the TS20 info is shown as below. You can view TS20 firmware version.


Figure 2.19 View TS20 firmware version
The detailed steps are as follows.
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Download the latest firmware file from kinematic website
Please be noted that the downloaded file is a .zip file, unzip this file to find the firmware file of .BIN format.
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Prepare a Type-C to USB cable, when TS20 is turned on, connect the Type-C port of TS20 to the computer with a Type-C to USB cable.

Figure 2.20 connect the computer and TS20
- The computer interface will automatically pop up two removable disks. As shown in the figure below.
Figure 2.21 Two Removable Disks
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Choose the Update removable disk and put the firmware file in the .BIN format on this removable disk. As shown in the figure below.

Figure 2.22 The FW is placed in the Update removable disk
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Unplug the Type-C to USB cable, press and hold the power button for 3 seconds to shut down TS20 .
6) Make sure that TS20 is turned off, then press and hold the power button to turn on TS20.
When the indicators on the LED panel are all on, the boot is successful, release the power button. TS20 enters the upgrade mode when the indicators on the LED panel start blinking, and waits for the upgrade to complete.
After the firmware upgrade is completed, the power LED light is on and the satellite light flashes. At this time, you can check the TS20 firmware version. If it is consistent with the latest firmware version in the removable disk, the firmware upgrade is successful.
Note: Please make sure the battery has enough power for the firmware upgrade. The GNSS board inside TS20 will upgrade when the firmware is upgrading, any forced power failure will cause the system crash.
2.5 Operations of TC80 controller
2.5.1 Insert SIM card and SD card
Please note the direction of the card notch when inserting the card, inserting a non-standard card may cause damage to the SIM card slot of the controller.
To install the card you need to pull out the SIM card slot on the side.

Figure 2.33 SIM card slot
2.5.2 Using of touch screen
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Single Click: To select an icon. For example, click dial to open the keypad which will be displayed on the screen.
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Double Click: To zoom-in or zoom-out. For example, to zoom-in or out of a photo, click twice when viewing a photo or browsing on the internet.
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Hold: press and hold the screen, icon or input box to get more operation options.
a) Long-Time Click a picture in the gallery list interface, the status bar prompts to select a picture, you select to share or delete it.
b) Long-Time Click the blanks of home screen to add home screen widgets.
c) Long-Time Click the blanks of home screen wallpaper sources can be selected.
d) Long-Time Click the blanks of home screen to home settings.
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Slide Upward: Slide up on the main screen ( or click the upward arrow icon) to view more applications.
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Slide Downward: Slide down on any interface to open the status bar and message board.
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Slide Left and Right: Slide left and right on the main screen to switch the desktop interface.