10-31190-01004-03 Rev. F Garmin GTN 625/635/650 Pilot’s GuideForewordGettingStartedXpdr CtrlCom/NavFPLDirect-ToProcWpt InfoMapTrafflcTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndex10.4.10 Obstacle Database Areas of CoverageThe following describes the area of coverage available in each database.Regional definitions may change without notice.Database Coverage AreaUnited States (US) Limited to the United States plus some areas of Canada,Mexico, Caribbean, and the Pacific.US/EuropeAlaska, Austria, Belgium, Canada*, Caribbean*, CzechRepublic, Denmark, Estonia, Finland, France, Germany, Greece,Hawaii, Iceland, Ireland, Italy, Latvia, Lithuania, Mexico*,Netherlands, Norway, Poland, Portugal, Slovakia, Spain,Sweden, Switzerland, United Kingdom, United States* Indicates partial coverageTable 10-9 Obstacle Database CoverageNOTE: It is very important to note that not all obstacles are necessarilycharted and therefore may not be contained in the Obstacle Database.10.4.11 HTAWS AlertsAlerts are issued when flight conditions meet parameters that are set withinHTAWS software algorithms. HTAWS alerts employ either a CAUTION or aWARNING alert severity level. When an alert is issued, visual annunciationsare displayed. Aural alerts are simultaneously issued. Annunciations appear in adedicated field in the lower left corner of the display.Annunciations are color-coded according to the HTAWS Alert Summarytable. Pop-up terrain alerts will occur if an HTAWS alert is activated while noton the HTAWS page. There are two options when an alert is displayed:To acknowledge the pop-up alert and return to the currently viewedpage:Touch the Close key.To acknowledge the pop-up alert and quickly access the HTAWS Page:Touch the ENT key.NOTE: To further capture the attention of the pilot, HTAWS issues aural(voice) messages that accompany visual annunciations and pop-up alerts.For a summary of aural messages, see the HTAWS Alert Summary table.NOTE: HTAWS Caution Alerts are displayed as constant black text on ayellow background; HTAWS Warning Alerts are displayed as constant whitetext on a red background.