Garmin GPSMAP 545s - Manual (Page 54)

48 GPSMAP 400/500 Series Owner’s Manual
Configuring 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
Temp Offset—set the temperature offset for the temperature sensor
of your 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.
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.
Configuring Other Vessels
To configure settings for boats other than your own, from the Home
screen, select Configure > Other Vessels .
To configure AIS or DSC information for other boats, your unit must
be connected to an external AIS or DSC device.
aiS—turn AIS (Automatic Identification System) on or off. AIS
alerts you to area traffic 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 .