Updating your CHCNAV navigation system helps improve GNSS positioning performance, surveying workflows, software compatibility, and receiver stability. CHCNAV navigation functions are mainly managed through LandStar software and GNSS receiver firmware rather than traditional car navigation systems. CHCNAV provides LandStar software updates and receiver firmware upgrades through its support resources.

This guide explains how to update CHCNAV navigation system software and firmware step by step.

Why Update CHCNAV Navigation System?

A CHCNAV update can improve:

• GNSS positioning performance
• RTK accuracy and stability
• Receiver communication
• Surveying features
• Navigation software compatibility
• System reliability
• Bug fixes

CHCNAV LandStar releases include software improvements and compatibility updates for supported controllers and GNSS equipment.

Before Updating CHCNAV Navigation System

Before starting:

• Charge your CHCNAV receiver and controller.
• Backup survey projects and configurations.
• Check your current software and firmware versions.
• Use the correct update package for your model.
• Keep the device powered during installation.

Step 1: Check Current CHCNAV Software Version

To check your current version:

1. Turn on your CHCNAV controller.
2. Open LandStar software.
3. Go to software information/settings.
4. Check the installed version.
5. Note your GNSS receiver firmware version.

This helps you choose the correct update package.

Step 2: Update CHCNAV LandStar Software

LandStar is the main surveying and navigation application used with many CHCNAV GNSS systems.

Steps:

1. Open the CHCNAV support page.
2. Download the latest LandStar software package.
3. Transfer the update file to your controller.
4. Install the new LandStar version.
5. Restart the controller.

Recent LandStar releases support controllers such as HCE600, HCE620, LT800, and compatible Android devices.

Step 3: Connect CHCNAV Receiver to Controller

To update receiver firmware:

1. Turn on the CHCNAV GNSS receiver.
2. Open LandStar.
3. Connect the receiver using Wi-Fi or supported communication methods.
4. Confirm the receiver is detected.

CHCNAV supports firmware upgrades through the receiver webpage, controller with LandStar software, or USB methods depending on the model.

Step 4: Open Receiver Firmware Update Menu

Using LandStar:

1. Open Configuration.
2. Select Instrument Information.
3. Choose the Upgrade option.
4. Select receiver firmware update.

CHCNAV documentation describes updating receiver firmware through LandStar by connecting the receiver and selecting the upgrade option.

Step 5: Download and Install CHCNAV Firmware Update

Steps:

1. Download the correct firmware file for your receiver model.
2. Copy the file to the controller storage.
3. Select the firmware file in the upgrade menu.
4. Start the update process.
5. Wait until installation completes.

Do not:

• Turn off the receiver.
• Disconnect communication.
• Remove power during installation.

CHCNAV recommends keeping the receiver battery above 50% or connected to charging during firmware upgrades.

Step 6: Restart the CHCNAV System

After installation:

1. Allow the receiver to restart automatically.
2. Restart the controller.
3. Open LandStar again.
4. Reconnect the GNSS receiver.

Step 7: Verify CHCNAV Navigation Update

After updating, check:

• Firmware version
• LandStar version
• Satellite tracking
• RTK connection
• Coordinate accuracy
• Communication status

Perform a test survey to confirm proper operation.

Updating Different CHCNAV Models

Update CHCNAV i83 / i93 GNSS

Steps:

1. Connect the receiver to LandStar.
2. Open Instrument Information.
3. Select Upgrade.
4. Choose firmware file.
5. Install update.
6. Restart receiver.

CHCNAV firmware updates for models such as i85 support upgrading through the receiver webpage or controller with LandStar software.

Update CHCNAV iBase Receiver

Steps:

1. Connect iBase to controller.
2. Open LandStar.
3. Select receiver information.
4. Start firmware upgrade.
5. Wait for completion.

Common CHCNAV Navigation Update Problems

CHCNAV Update Failed

Possible causes:

• Incorrect firmware file
• Low battery
• Interrupted connection
• Unsupported version

Solutions:

• Confirm receiver model.
• Download the correct firmware.
• Charge the device.
• Retry the update.

CHCNAV GPS Not Working After Update

Possible causes:

• Settings changed
• RTK configuration lost
• Communication issue

Solutions:

• Restart receiver.
• Check RTK settings.
• Reconnect controller.
• Restore saved configurations.

CHCNAV LandStar Update Not Installing

Possible causes:

• Unsupported Android version
• Storage issue
• Incorrect package

Solutions:

• Check device compatibility.
• Free storage space.
• Download the correct LandStar version.

Tips for Successful CHCNAV Navigation Updates

• Backup data before updating.
• Use official firmware files.
• Keep batteries charged.
• Update LandStar regularly.
• Verify receiver compatibility.
• Test RTK performance after installation.

Frequently Asked Questions

How do I update CHCNAV navigation software?

Update LandStar through the CHCNAV support package, then update receiver firmware through LandStar or the receiver web interface.

Can I update CHCNAV GPS without a computer?

Yes. Many CHCNAV receivers can be updated through the controller using LandStar software.

Does CHCNAV update improve GPS accuracy?

Updates can improve receiver performance and stability, but accuracy also depends on satellite conditions, antenna setup, and RTK corrections.

Should I update CHCNAV firmware regularly?

Yes. Regular updates help maintain compatibility, reliability, and improved GNSS operation.

Conclusion

To update your CHCNAV navigation system, update the LandStar software on your controller and install the latest compatible receiver firmware through LandStar or the receiver web interface. Keeping your CHCNAV system updated helps maintain stable GNSS tracking, improved RTK performance, and reliable surveying operations.