GPSMAP 3206/3210 Owner’s Manual 11IndeXIndeXSymbols200 kHz frequency 762X zoom 814X zoom 8150 kHz frequency 76AA-scope 81accessories 112accuracy 7accuracy circle 70acquiring satellites 6active track log 53ADJ/MENU Key 2advanced map card setup 71Advanced sub tab 100AFC mode 100AIS 64, 70alarms 4, 110–111Alarms tab 58anchor drag 59arches 77arrival alarm 59atmosphere 86auto-detect services 61, 86, 97auto color gain 83auto gain 83AutoLocate 5, 7automatic backlight 61Automatic Identification System. See AISautomatic scroll speed limit 83Bbacklight 5, 61basic operation 9–31battery alarm 59Bearing Line 70, 99Bearing pointer 41bearing reference 98, 99beeper 61begin transmitting 96BlueChart 12BlueChart g2 36, 38, 102bottom of the water 77btm (bottom) lock 81Ccalibrate water speed 83Card tab 57Celestial tab 49center offset 98chart 69cleaning 107clock alarm 59clutter 77color 77color bar 81color gain 80color scheme 84Comm tab 63Compass Page 41cross-talk rejection 98custom range 83DDATA/CNFG key 2data card slots 1data entry keys 4data felds 33data transfer 64date/time 103datums 62daylight saving 63Declaration of Conformity 114deep water alarm 59default settings 9delete by symbol 19depth 62depth line 81digital data fields 33digital navigation data 90digital selective calling. See DSCdilution of precision 108Display sub tab 98distance units 62DoC. See Declaration of ConformityDOP 108DSC 54, 104DSC Item Review 55DSC tab 54dual beam 76, 83dual frequency 76, 83EEBL 94EGNOS 103Electronic Bearing Line. See EBLelevation units 62ENTER/MARK key 2, 14entering data 10enter standby 96European License Requirements 116Ffactory defaults 34, 61Fast Time Constant. See FTCFCC compliance 114FCTN key 35features 9FIND key 2fish symbols 78, 84flasher 79Follow Track 22frequency 80FTC 92function adjustments 35function windows 35Ggain 80, 92gain setting 77Garmin Marine Network 4, 32, 35, 39, 43, 45,65, 66, 95, 112GDL 30 60, 86, 112general 86GMR 20/40 i, 32GMR 21/41 i, 32GMR 404/406 i, 32, 96Go To 21Go To Point 21GPS 17 antenna 5GPS accuracy alarm 59GPS status icon 6GPS tab 6, 45GSD 20 i, 32, 59, 76GSD 21 i, 32, 59, 76GSD 22 i, 32, 59, 76guard zone 92, 94