Index76 GPSMAP 620 and GPSMAP 640 Owner’s ManualNnavigation 47, 60mode 65settings 65navigation chart 8navigation chart setup 46nearby stations 26next turn 60NMEA high speed 40NMEA setup 41NMEA STD. 40north up 48numbers, dashboard 25Ooff road, routing 59, 65on-screen keyboard 56optimally reorder points 59orientation 48other boats 43output, audio 66overlay numbers 39, 47Ppanning 8Perspective 3D 10photosaerial 10attaching to locations 57copying to device 62picture viewer 64satellite imagery 12, 46picture viewer 64points of interest 56port types 40position 40position icon 67position reports, DSC 36posn precision 41power button 1pressure unit settings 40projected heading, AIS 33, 46QQWERTY keyboard 38, 65Rrange rings 50recalculate 59recently found locations 56registering 70replace from card 28resettingdevice 68the max speed 61the trip data 61restoring backup marine data 29rings 50roses 47route labels 43route leg data field 47routes, automotiveadding a stop 54custom 58–59editing 59off road 65preferences 65simulating 65stopping 54, 66routes, marinecancelling 16creating 15displaying saved 28following 16saving 16stopping 7viewing 28Ssafe depth 43, 50safe height 43safe mode 67safety shading 49safe zone 43sailing data bar 47satellite imagery 10, 12satellite signals 70saved tracks 45save to card 28, 39savingplaces you find 57your current location 57, 58, 64screen, brightnessautomotive 66marine 7screenshot captureautomotive 65marine 38SD cardsinserting and replacing 4using 28search area 56security settings 67service points 46settings, restoring 67setting your location 58shallow water alarm 42shoreline distance 44show report 26simulating a route 65simulator modeautomotive 65marine 38
