GPSMAP 496 Owner’s Manual 5IndexIndexSymbols2D 5, 58, 1273D 5, 58Aaccessories 133acquiring satellites 5Active Route pageaviation mode 43Active Track tab 82, 85add to route 56, 63, 71, 75advanced NMEA output setup 118aircraft information 46–47airport 17, 144criteria 21identifier 6, 12, 14information 15, 16, 18airspace 31alarms 99alert 20, 27boundary 28, 31information 19, 20, 31nearest 17alarms 27, 108airspace 99anchor drag 100arrival 100depth 101descent rate 36, 37DSC 95fish 101next turn 100obstacle 36, 37off course 100persistent 99proximity 81sonar 101system 101terrain 36, 37terrain page setup 38VNAV 41Alarms tabairspace alarms 99navigation 100system alarms 101alerts. See alarmsaltitude 39, 113antenna 1, 3, 138append to route 75approach 16, 22, 23, 43ARTCC 17assign category 78asterisk (*) 16audio connector 1AutoLocate 3, 5average location 75avoids 62, 111Bbacklight 3, 108baro pressure 49batterylevel 4pack 1, 2saver mode 109beeper 108BlueChart 137bug indicator 40, 89setting 33Ccable 134calculate routes for 111calculation method 111calendar 102–105calibrated airspeed 49calibrate water speed 125cards, data 137care information 133categoriesfind menu 53waypoint 77CDI. See course deviation indicatorcelestial information 102–105Celestial tabHunt & Fish tab 105Sun & Moon tab 102Tide tab 103charging 2, 4cigarette lighter adapter 2cleaning viclear track log 83clock alarm 101coast guard 143color mode 107communication frequencies 19comm usage restrictions 16compass page 50, 90, 108marine mode 89–90options menu 89computer connection 135connecting the power cable 2, 134course deviation indicator 23, 39,40, 89course deviation scale 39, 40course pointer 89course to steer 33createcategory 77flight plan 26route 56, 57waypoint. See marking a waypointcreating a direct to 14–16criteria 21cruising speed 46Current Route page 61automotive mode 67custom avoids 62, 111
