A. Check if the surrounding environment meets the conditions for satellite signal reception.

B. Ensure the registration code is not expired.

C. Verify if the device is restricted in the current area.

D. Make sure the satellite system is not turned off.

E. Check if the board firmware is correctly upgraded.

A. Connect the handbook to the device hotspot.

B. Enter the website address 10.10.10.10 in the browser.

C. Go to "Device Operation" - Input the registration code - Click "Register"

-Method 1-

a. Connect the handbook to the device hotspot.

b. Enter the website address 10.10.10.10 in the browser.

c. Go to "Device Operation" - Enter the custom code - Click "Write"

-Method 2-

a. Open the T-Survey, connect the device via Bluetooth.

b. Go to "Configuration" - "Function Code Registration" - Input the custom code - Click "Register"

-Method 1-

a. Connect the handbook to the device hotspot.

b. Enter the website address 10.10.10.10 in the browser.

c. Go to "Device Operation" - Enter the custom code - Click "Write"

-Method 2-

a. Open the T-Survey, connect the device via Bluetooth.

b. Go to "Configuration" - "Communication Settings" - Enable debugging - Input the command "SET, FRESET, GNSS" - Click "Send"

A. Check whether differential data has been obtained:

- Check if the differential account is valid.

- If the device network is online.

- If the radio protocol and frequency match the base station.

B. Ensure the satellite reception environment is good.

C. Avoid using the device during thunderstorms.

A. Check if the base station was started with fixed coordinates.

If the deviation between the fixed coordinates and the actual coordinates is significant.

It is recommended to obtain accurate fixed coordinates or switch to single-point coordinates for base station startup.

A. Check if the device is properly inserted with a SIM card.

B. Verify if the mobile network is online.

C. Confirm if the CORS IP address, port, name, and password are correct, and account not expired.

A. Check if the device is properly inserted with a SIM card.

B. Verify if the mobile network is online.

C. Confirm if the CORS IP address, port, name, and password are correct.

A. Try reinserting the SIM card.

B. Restart the device.

C. Switch network standards.

D. Ensure the correct APN name, username, and password are entered.

E. Verify if the SIM card can access the internet.

A. Check if the built-in antenna is properly connected.

B. Ensure the radio protocol and frequency match the base station.

A. Check the PDOP limit and height cutoff angle.

B. Ensure the satellite reception environment is good.

A. Click "Search Bluetooth Devices" again.

B. Ensure that the location information on the device is enabled.

C. Check if the device is turned on.

D. Verify if the Bluetooth name of the device has been changed.

E. Ensure that the device is not too far away from the device.

A. Re-search for Bluetooth and connect again.

B. Pairing is required for initial connection. 

A. Check if the NFC on the device is working properly.

B. Verify if the NFC tag content matches the actual Bluetooth address of the device.

C. Confirm if the NFC tag is locked.

A. Check if the surroundings meet the reception conditions.

B. Check if the registration code has expired.

C. Verify if there are any regional restrictions.

D. Ensure that the Bluetooth is connected.

E. Check if the satellite system is turned off

Go to "Configuration" - "Instrument Registration" - Input the registration code - Click "Register"

Go to "Projects" - "About Software" - "Software Activation" - Enter the registration code - Click "Activate"

A. Check if the handbook has internet access.

B. Verify the correctness of the CORS IP address, port, username and password.

A. Check whether the device is inserted with SIM card.

B. Check if the mobile network is online.

C. Verify the correctness of the CORS IP address, port, name and password.

A. Check if the device is inserted with a SIM card.

B. Check if the device has internet access.

C. Ensure the CORS account is valid.

D. Ensure the satellite reception environment is good.

E. Check if there is any thunderstorm or rainy weather.