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32 GPSMAP
®
4000/5000 Series Owner’s Manual
Conguring the Chartplotter
ConfiGUrinG the
Chartplotter
To adjust the Keel Offset:
1. From the Home screen, select Congure > My Boat > Keel Offset.
2. Use the ROCKER (GPSMAP 4000 series) or the screen keyboard (GPSMAP 5000 series) to
specify the offset.
3. Select Done to accept the number.
NOTE: Select Cancel to cancel your changes and return to the My Boat screen.
Transducer—select sonar-cone angles, and calibrate water speed.
Sonar Cone Angles—when using a transducer other than the standard Garmin transducer, you
can set the angle, in degrees, of the sonar cone so that it is accurately depicted on the Fish Eye 3D
screen. Select either 200kHz or 50kHz and use the on-screen keyboard to enter the angle.
NOTE: The Sonar Cone Angles setting is preset to match the cone angle of a standard Garmin dual-
frequency transducer. Use this option to match the specications of a non-standard transducer.
Calibrate Water Speed—use this menu to calibrate a speed-sensing device. Follow the on-
screen directions for calibration. If you do not have a speed-sensing device, this menu does not
appear.
NOTE: If the boat is not moving fast enough or the speed sensor is not registering a speed, a “Speed
Too Low” message appears. Select OK and safely increase boat speed. If you get the message again,
stop the boat and make sure the speed-sensor wheel is not stuck. If the wheel turns freely, check the
cable connections. If you continue to get the message, contact Garmin Product Support.
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 that are within range and equipped with a
transponder.
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.
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 from 0.2 to 5.0 km, or from 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.
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