Index68 GPSMAP 400/500 Series Owner’s ManualIndexAactive tracks 14aerial photos 19AIS 40, 41, 53, 62targeting symbols 42threats 42AIS alarm 53AIS vessels 44alarms 50, 64–67AIS 53anchor drag 50battery 50clock 50collision 53deep water 51engine gauge 33fish 51fuel 51GPS accuracy 50navigation 50off course 50safe-zone 53shallow water 51sonar 51water temp 51animated tide stations 11apparent wind 35arrival alarms 50A-scope 57auto magnetic 46automatic guidance 20, 47auto on/off 46autopilot 30Bbacking up data 40backlight 4barometer, reference time 47Beeper/Display 46BlueChart g2 Visionusing 29–33boat icon 13bottom lock 58buttons 5Ccalibrate water speed 52celestial 37chartsborders 13chart data 10detail 12fish eye 3D 16fishing 17mariner’s eye 3D 15navigation 8settings 11Chart/Sonar screen 21clear user data 38collision alarm 53color scheme 57colors, hazard 16communications settings 48compass 30rose 12tape 9contact information, Garmin ivcoordinates 24coordinates, gridcreating waypoints using 24course up 12current stations 37Ddashboard 31data barsfish eye 3D chart 17navigation chart 9perspective 3D chart 14sailing 9sonar 57data transfer 38, 39daylight saving time 47Declaration of Conformity ivdelete a waypoint 26depth line 57depth log 56depth waypoint 57detail of map 12device list 49display settings 46distance, measuring 25distress calls 60DSC 53, 59contact 60list 60DST 47Eedit a route 27edit existing waypoint 25EGNOS 46event log 46Ffactory settingsrestoring 6fish eye 3D 16settings 16fishing chart 17fish symbols 17, 57flasher 54frequency 58fuel capacity, enter 52fuel gauge 34full screen, sonar 54fuse 63