Need help troubleshooting your GPSMAP H1?
You may find the answers you need here before you contact Garmin.

• Are you having trouble with a Common Issue?
• Have you checked in the GPSMAP H1 discussion forum?
• Does the GPSrChive > How To... page have what you are looking for?
• Have you referenced the User Manual?

Troubleshooting

• My GPSMAP H1 does not respond. How do I reset the device?
  • Press and hold the (POWER) button for >30 seconds and then release.
  • Allow the GPSMAP H1 to cool if hot to the touch.

• How do I reset all settings back to factory defaults?
  • 'Settings > System > Reset > Reset All Settings'.

• How do I perform a Hard Reset of my GPSMAP H1?
  • Power the GPSMAP H1 off.
  • Press and hold the (PAGE) and (ENTER) buttons simultaneously.
  • Press and release the (POWER) button.
  • The GPSMAP H1 will begin the boot process.
  • Release the (PAGE) and (ENTER) buttons when prompted to remove all user data.
  • Select 'Reset' and press (ENTER).

• How do I perform a Master Reset of my GPSMAP H1?
  • Power the GPSMAP H1 off.
  • Press and hold the (–), (MENU) and (QUIT) buttons simultaneously.
  • Press and release the (POWER) button.
  • The GPSMAP H1 will begin the boot process.
  • Release the (–), (MENU) and (QUIT) buttons.
  • "Restoring all activities and settings to defaults" will be displayed.

• How do I enable Forced Mass Storage Mode?
  • Power the GPSMAP H1 off.
  • Connect the USB data cable.
  • Press and release the (POWER) button to start the boot process.
  • Press and hold the (UP) button.
  • Wait for "USB MS Mode" to be displayed on the screen.
  • Release the (UP) button.
  • The GPSMAP H1 is now in Forced Mass Storage Mode.

• My GPSMAP H1 is not acquiring satellite signals.
  • Power your GPSMAP H1 On.
  • Place the GPSr outside, in clear view of the sky, away from any obstructions, for several minutes.
  • If no improvement >30 minutes, from the Satellite page, select 'Menu > Satellite Setup > Satellite > Demo Mode' then 'Satellite > Auto Select'.
  • Place the GPSr outside, in clear view of the sky, away from any obstructions, for several minutes.
  • If no improvement >30 minutes, perform Master Reset (above) and repeat.

• My GPSMAP H1 will not charge.
  • Ensure the USB-C cable is inserted fully.
  • Reduce backlight brightness.
  • Ensure ambient temperature is between 5ºF and 140ºF (-15ºC - 60ºC).

• My GPSMAP H1 battery gauge is not accurate.
  • Leave the device powered on until the battery is completely discharged.
  • Charge the battery fully without interruption.

• The battery does not last very long.
  • See Maximizing Battery Life.

• How can I be sure my GPSMAP H1 is in MTP Mode?
  • See MTP Mode.

• My GPSMAP H1 is not reading data from the microSD card.
  • Confirm the microSD card meets supported specifications.
  • Verify the microSD card is installed securely and correctly.
  • Ensure microSD card is properly formatted.
  • Try using a different microSD card.

• While trying to load GCLive data, my GPSMAP H1 perpetually displays a spinning wheel on the screen and no data is loaded.
  • Verify your GPSMAP H1 has a functional internet connection via either Bluetooth or Wi-Fi.
  • Check 'Settings > Geocaching > Geocaching Live' to verify the unit is registered with a valid groundspeak account.
  • Select 'Settings > Geocaching > Geocaching Live > Unregister' to unregister the device.
  • Select 'Settings > Geocaching > Register Device' and complete registration with desired groundspeak account.

• I'm having trouble pairing my GPSr with my smart phone via Garmin Connect or Explore.
  • Try this solution.

• My GPSMAP H1 keeps shutting down before finishing the boot sequence.
  • Try this solution.

Hidden Test Pages

• Power On Test Page:
  • Start with the GPSMAP H1 powered off.
  • Press and release the (POWER) button.
  • Immediately Press and hold the (ENTER) button.
  • The GPSMAP H1 will boot into a test menu.
  • Release the (ENTER) button.
  • Choose desired test from available options.

GARMIN Support

• Garmin USA Support
• Garmin GPSMAP H1 Support
• Garmin GPSMAP H1i Plus Support
• Garmin Repair Center

Contact GARMIN

• Garmin support: outdoor.helpdesk@garmin.com
• GPSMAP H1 Firmware Issues: product.support@garmin.com
• Computer Software Issues: application.support@garmin.com

• US: (913) 397-8200
• US Toll Free: (800) 800-1020
• Canada: (866) 429-9296