Garmin GPSMAP 440 User Manual download pdf (Page 50)

44 GPSMAP 400/500 Series Owner’s Manual

Conguring the Chartplotter

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.

NOTICE: 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 the speed of the boat. 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.

Fuel Capacity—enter the total fuel capacity of your boat.

Conguring Other Vessels

To congure settings for boats other than your own, from the Home

screen, select Congure > Other Vessels.

To congure AIS or DSC information for other boats, your unit must

be connected to an external AIS or DSC device.

AIS

—turn AIS (Automatic Identication System) on or off. AIS

alerts you to area trafc 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.

AIS Alarm

—turn a safe zone around your boat on or off. This is

used for collision avoidance, and the zone can be customized.

To customize safe-zone settings:

From the Home screen, select Congure > Other Vessels > AIS

Alarm.

Range—change the measured radius of the safe-zone ring to

a specied distance from 500 ft. to 2.0 nm (or from 150 m to

3.0 km, or from 500 ft. 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

dened time interval (from 1 to 24 minutes).

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Garmin GPSMAP 440 User Manual Page 50