Garmin GTN 650 Pilot's Guide - Page 237

12.7 Nearest Airspace Foreword The Nearest Airspace Page, alerts you to as many as nine controlled or special use airspaces near or in your flight path. Alerts are provided according to the Getting Started following conditions: Xpdr Ctrl • If your projected course will take you inside an airspace within the next ten minutes, the alert message "AIRSPACE ALERT - Airspace entry Com/Nav in less than 10 minutes" appears. The Nearest Airspace Page shows the airspace as "Airspace Ahead". FPL • If you are within two nautical miles of an airspace and your current course will take you inside, the message "AIRSPACE ALERT - Within Direct-To 2nm of airspace" appears. The Nearest Airspace Page shows the air- space as "Airspace Within 2 NM". Proc • If you are within two nautical miles of an airspace and your current Wpt Info course will take you inside in less than 10 minutes, the message "AIR- SPACE ALERT - Airspace within 2nm and entry in less than 10 minutes" Map appears. The Nearest Airspace Page shows the airspace as "Ahead < 2 NM". Traffic • If you have entered an airspace, the message "AIRSPACE ALERT - Terrain Inside Airspace" appears. The Nearest Airspace Page shows "Inside of airspace". Weather Note that the airspace alerts are based on three-dimensional data (latitude, longitude and altitude) to avoid nuisance alerts. The alert boundaries for Nearest controlled airspace are also sectorized to provide complete information on any nearby airspace. Once one of the described conditions exists, the message Music annunciator flashes, alerting you of an airspace message (if airspace alert messages Utilities are enabled). See System-Alerts to set the Arrival Alert Proximity, Airspace Type, and Altitude Buffer values. System Messages Symbols Appendix Index 190-01004-03 Rev. B Garmin GTN 625/635/650 Pilot's Guide 12-9