2 - NAV PAGES47190-00357-00 Rev GDatabase VersionsThe version and area of coverage of each ter-rain/obstacle database is shown on the Terrain Data-base Versions Page, located in the AUX Page Group.Databases are checked for integrity at power-up. If adatabase is found to be missing and/or deficient, theTerrain system fails the self-test and issues a failuremessage.Terrain Database InformationDatabase UpdatesTerrain/Obstacle databases are updated periodi-cally with the latest terrain and obstacle data. Visit theGarmin website to check for newer versions of terrain/obstacle databases. Compare database cycle numbersto determine if a newer version is available.The database update process includes eitherreprogramming or replacing the database card andinserting the updated card in the right card slot on theunit front panel. The terrain/obstacle database maybe downloaded via the intenet and the card repro-grammed using a USB programmer available fromGarmin. Contact Garmin at 800-800-1020 or at www.garmin.com for more information.To update the terrain or obstacle database:1. Acquire a new terrain data card fromGarmin.2. Turn off the power to the 500W Series unit.3. Remove the old terrain data card from andinsert the new card into the right-most slot ofthe 500W Series unit.4. Turn on the 500W Series unit and verify that theTERRAIN system passes the self-test. The “TERTEST” annunciator will clear after checking andno failure message appears.Terrain Operation
