Owner's Manual
48 GPSMAP 400/500 Series Owner’s Manual
Conguring the Chartplotter
A (+) positive number
shows depth at the bottom
of the keel.
Transducer at Surface
A (-) negative number
shows depth at the
surface.
Transducer at the
Bottom of the Keel
—set the temperature offset for the temperature sensor
of your transducer.
—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.
If the boat is not moving fast enough or the speed sensor
is not registering a speed, a “Speed Too Low”message appears.
Select , 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.
—enter the total fuel capacity of your boat.
Conguring Other Vessels
To congure settings for boats other than your own, from the Home
screen, select > .
To congure AIS or DSC information for other boats, your unit must
be connected to an external AIS or DSC device.
—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. For more information concerning the use of AIS, see
page 22.