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40 GPSMAP 4000 Series Owner’s Manual
confIGurInG the unIt
confIGurInG
the unIt
Conguring Other Boats
To congure settings for boats other than your own - from the Home screen, select Congure >
Other Boats.
AIS—turn AIS (Automatic Identication System) on or off. AIS alerts you to area trafc by
providing boat IDs, position, course, and speed for boats equipped with a transponder within range.
DSC—turn DSC (Digital Selective Calling) on or off.
NOTE: To congure AIS or DSC information for other boats, your unit must be connected to an
external AIS or DSC device. Refer to page 67 for more information on connecting NMEA 0183
devices.
Safe Zone—(AIS and MARPA only) turn a safe zone around your boat on or off. This is used for
collision avoidance, and can be customized. To customize safe zone settings, from the Home screen,
select Congure > Other Boats > Safe Zone > Setup.
Ring—show or hide a ring on the Navigation chart showing the safe zone for your boat.
Range—change the measured radius of the safe zone ring to a specied distance from 0.1 to
2.0 nm (or 0.2 to 5.0 km, or 0.1 to 2.0 mi).
Time to (Safe Zone)—sounds an alarm if AIS or MARPA determines that a target will
intersect the Safe Zone within the dened time interval (ranging from 3 to 24 minutes).
Details—show or hide the name, speed, and bearing of AIS or MARPA targets onscreen. The details
appear next to the AIS or MARPA target icon.
Conguring XM Audio
To congure XM audio from the Home screen, select Congure > XM Audio. You can delete a
preset channel, select a category, enter a specic channel, and mute the volume.
NOTE: You must connect the optional GDL 30A XM receiver to the Garmin Marine Network, and
have a subscription to XM Radio to use XM audio features. For more information, refer to page 53.
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