GPSMAP 4000 Series Owner’s Manual IndexIndexAA-scope 52additional object information 9aerial photos 15, 19AIS 40alarms 38battery 38fish 38messages 69safe zone 49water temp 38auto mag var 36automatic guidance 15, 20, 28, 36Bbacking up data 32backlightadjusting 3backlight sensor 1beeper 35BlueChart g2 Vision 15bottom lock 53bridging 37buoy reports 64Ccalibrate water speed 39category (XM) 41, 65celestial information 30channel entry (XM) 41, 65channel guide (XM) 41, 65chart appearance 11chart data 7charts 5, 6additional object information 9appearance 11borders 12detail 11fish eye 3D 6, 15fishing 6, 15mariner’s eye 6, 15navigation 6panning 8settings 9using 6zooming 6clear user data 32colors 17color mode 3sonar 52combinations 5, 21communications settings 37configure 5, 35my boat 39other boats 40XM audio 41course up 11creating routes 27cruising screen (radar) 45current station 19, 29Ddataclear user data 32transfer 31user 30data bars 10, 13, 17delete all 32delete a waypoint 26, 32depth 36depth line 52detail 11device list 37DSC 40, 54EEBL 48edit a route 28edit existing waypoint 26event log 35Ffactory settings 4fish eye 3D 6, 17settings 17fishing charts 18fish symbols 52fronts (weather) 61FTC 48fuel gauges 33full screen 50Ggain 53gauges 33fuel 33go to 23GPS satellite signals 3, 35grid north 36guide to 23Hhazard colors 17heading 36heading line 11, 12cruising screen 49head up 11high-resolution satellite imagery 18high pressure center 61home screen i, 5hurricanes 59Iinformation 5information screen 29initializing the unit 2inset map 8, 11isobars 62Kkeel offset 39Llane width 13light sectors 11limited warranty 74look-ahd spd 49low pressure center 61Mman overboard 25map datum 36marine network 42mariner’s eye 6mariner’s eye 3D 16colors 17marine warnings 60mark current location 25mark key 1MARPA 47menu key 1messages 69move a waypoint 26my boat 39NNational Weather Service 60navaid type 11navigate to 23navigation chart 6nearby stations 29network 42viewing connected devices 43new waypoint 12NMEA0183 672000 67NMEA 0183 37NMEA 2000 37, 66north up 11numeric keypad 1Oobject information 9orientation 49other boats 32, 40overlay numbers 52