Resetting your Furuno GPS can help resolve many common navigation issues, including software glitches, frozen screens, GPS signal problems, incorrect settings, and performance slowdowns. Whether you own a Furuno NavNet TZtouch, GP-39, GP-1971F, GP-1871F, or another compatible marine navigation system, performing a reset can often restore normal operation without requiring extensive repairs.
If you're wondering how to reset a Furuno GPS, this comprehensive guide explains the different types of resets, when to use them, and the steps to safely reset your device.
Over time, software settings, temporary system errors, or failed updates can affect your GPS performance. Resetting the device can clear these issues and restore stable operation.
A reset may help fix:
In many cases, a reset is one of the first troubleshooting steps recommended before considering hardware repairs.
Depending on the issue you're experiencing, you may choose one of the following reset options.
A soft reset simply restarts the GPS without removing saved data.
This is useful for:
Your routes, waypoints, and settings typically remain unchanged.
A factory reset restores the GPS to its original factory settings.
This option is useful when:
A factory reset may erase custom settings and, depending on the model, could also remove saved routes or waypoints. Always create a backup before proceeding.
Before starting:
Backing up your data helps prevent accidental loss of important navigation information.
A soft reset is quick and does not normally affect stored data.
Press the power button to shut down the Furuno GPS.
Wait approximately 30–60 seconds.
Turn the GPS back on.
Allow the device several minutes to complete the startup process.
If the issue was temporary, normal operation should resume.
If problems continue after a soft reset, a factory reset may be necessary.
Turn on your Furuno GPS and allow it to finish booting.
Navigate to:
Menu → Settings → System → Maintenance
Depending on your model, the wording may vary slightly.
Look for options such as:
Choose the appropriate reset option.
The system may display a confirmation message.
Read the warning carefully.
Select Yes or Confirm to begin the reset.
The reset process may take several minutes.
During this time:
The GPS may restart automatically.
After restarting:
Your Furuno GPS should now operate with default system settings.
Depending on the model, a factory reset may:
User data such as routes and waypoints may remain on some models but should always be backed up beforehand.
Resetting your Furuno GPS may resolve:
A reset can restore GPS receiver settings that may have become corrupted.
Resetting the system can correct configuration issues affecting location accuracy.
A soft reset often restores normal touchscreen functionality.
A factory reset can eliminate persistent software conflicts.
Resetting may restore default navigation parameters and improve route calculations.
Clearing corrupted settings can improve startup speed and overall responsiveness.
If problems continue after resetting:
Check:
Look for:
Poor antenna performance can prevent accurate positioning.
Install the latest firmware compatible with your Furuno model.
Software updates often resolve bugs and improve system stability.
Verify that:
If connected to radar, sonar, or autopilot systems:
Once the reset is complete:
Testing all key functions ensures the system is operating correctly.
To keep your Furuno GPS running smoothly:
Preventive care reduces the likelihood of future system issues.
A soft reset generally does not affect stored data. A factory reset may remove custom settings and, depending on the model, could also erase saved routes or waypoints. Always back up your navigation data before performing a factory reset.
You should consider resetting the device if it frequently freezes, cannot detect your location, displays navigation errors, restarts unexpectedly, or continues to malfunction after updating the firmware.
Yes. If the issue is caused by corrupted settings or software glitches, resetting the GPS may restore normal satellite acquisition. However, hardware issues such as a damaged antenna or loose wiring will require separate troubleshooting.
A soft reset usually takes just a few minutes. A factory reset may take 5 to 15 minutes, depending on your Furuno model.
Yes. After completing a factory reset, it's a good idea to verify that your device is running the latest compatible firmware and chart data for the best performance.
Resetting your Furuno GPS is an effective way to resolve many common issues, including software glitches, navigation errors, poor GPS performance, and system freezes. Whether you perform a simple soft reset or a full factory reset, following the proper procedure and backing up your navigation data beforehand can help prevent data loss and restore reliable operation. Combined with regular firmware updates, current marine charts, and routine maintenance, resetting your Furuno GPS when needed will help ensure accurate navigation and dependable performance on every voyage.