Garmin GPSMAP 3005C - Manual (Page 75)

GPSMAP 3005C Owner’s Manual 
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• Course line—sets the maximum zoom scale at which the course line
appears on-screen. Select Auto, Off, or <120 ft to <800 nm.
• heading line—draws an extension from the end of the boat icon in the
direction of travel. For Distance, enter the numeric distance value to which
you want the line to extend. For Time, enter the numeric time value for
which you want the line to extend. The Time line length automatically
adjusts as your speed changes.
AIS Sub Tab
AIS (Automatic Identification System) alerts you to area traffic. AIS provides
ship IDs, position, course, and speed for ships equipped with a transponder within
range.
NOTE: You must set your chartplotter communication to NMEA In/NMEA
Out with a baud rate of 38,400 to receive AIS information.
• AIS Vessels—sets the maximum zoom scale at which AIS vessels appear
on-screen. Select Off, Auto, All Ranges, or <30 ft to <800 nm.
• heading line—draws an extension from the end of the boat icon in the
direction of travel. For Time, enter the numeric time value for which you
want the line to extend. The Time line length automatically adjusts as your
speed changes.
Source Sub Tab
Use the Source sub tab to turn basemaps and card maps on or off.
• Basemap—turns the built-in basemap on or off.
• Card Maps—turns all optional BlueChart g2 or MapSource data on or off.
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