Firmware
  Check Firmware Version 
  Firmware Installation
  Firmware History
   
Check Firmware Version
  • Power on the Astro 900.
  • Open 'Setup > About'.
  • The device and GPS software versions are displayed along with additional e-label regulatory information.
 
 
Firmware Installation
    Garmin Express

      Device updates for your Astro 900 are managed with the Garmin Express computer application.

      • Connect the Astro 900 to your computer using a suitable USB cable.
      • Open the Garmin Express application and choose your device from the menu.
      • Select desired updates and follow the prompts as directed to complete installation.
    Manual Updates
    • Download and extract the desired *.GCD firmware update.
    • Rename *.GCD to GUPDATE.GCD.
    • Connect the Astro 900 to your computer and enter Mass Storage Mode.
    • Copy GUPDATE.GCD to [GPSr]\Garmin\GUPDATE.GCD.
    • Disconnect and reboot the Astro 900.
    • When prompted to install the new firmware version, select 'Yes'.
    • The Astro 900 will restart automatically after the firmware update is complete.
 
 
Astro 900 (3098) Firmware Update History
 
Changes made from version 2.10 to 2.20:
    Improved Garmin HuntView Plus map drawing.
Changes made from version 2.00 to 2.10:
    Added support for Garmin HuntView Plus.