A. Check the PDOP limit and height cutoff angle.

B. Ensure the satellite reception environment is good.

C. Avoid using the device during thunderstorms.

Log in to the website - Go to "File Management" - Select the date - Download the static raw data

Refer to the conversion tool usage tutorial.

Refer to the Host Upgrade Firmware Operation Manual.

Refer to the Configuring ZXVPN Operation Manual.

Refer to section 2.5 of the Device User Manual.

Refer to Chapter 2 of the Device User Manual.

Login Web Page - "Advanced Options" - "Network Link" - "Network Status" - Check whether the mobile network status is displayed online.

Log in to the web page - "Other Configurations" - "System" (check to enable, not check to close)

Refer to section 3.12 of the Device User Manual.

A. Check if the handbook has internet access.

B. Ensure the CORS account is valid.

C. Ensure the satellite reception environment is good.

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

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

B. Configure the radio protocol and frequency to match the base station.

C. Ensure the satellite reception environment is good.

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

Check if the base station is started with fixed coordinates.

If the deviation between fixed coordinates and actual coordinates is too large.

It is recommended to reacquire fixed coordinates or switch to single-point coordinates to start the base station.

The tilt is enabled, but the inertial navigation correlation has not been completed.

A. Confirm that the input pole height matches the actual pole height.

B. Rock the centering rod back and forth for 5-10 seconds.

If convergence is not completed, rotate the centering rod 90°, then rock the centering rod back and forth for 5-10 seconds.

In the coordinate system, there is a positioning icon for the central meridian. When the device is connected and receiving signals, clicking it will automatically find the correct central meridian.

Go to "Configuration" - "Instrument Settings" - "VPN Settings" - Click "Default" - Click "Confirm"

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

B. Check if the device has internet access.

Go to "Project" - "Data export" - Select data format and length unit for export - Click "Export"

Go to "Project" - "Data Import" - Select data format and parameters for import - Click "Next" - Locate the file to be imported - Click "OK"