Garmin gpsmap 5212 用户手册

Configuring the Device

Fuel Capacity—enter the total fuel capacity of all your engines.

1.  From the Home screen, touch 

 > 

 > 

.

2.  Using the on-screen keyboard, enter the measured distance from the transducer location to the 

water line or to the keel of the boat.

If you are measuring down to the keel (transducer installed at the water line), enter a (+) 

positive number. This shows the depth at the bottom of the keel.
If you are measuring up to the water line (transducer installed on the bottom of the keel), enter 

a (-) negative number. This shows the depth at the surface.

3.  Touch 

 to accept the number.

  Note: To configure Automatic Identification System (AIS) or Digital Selective Calling (DSC) 

information for other boats, your chartplotter must be connected to an external AIS or DSC device.

From the Home screen, touch 

 > 

.

aiS—turn AIS 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.
DSC—turn DSC on or off.
Collision alarm (AIS and MARPA only)—turn a safe zone around your boat on or off. This is used 

for collision avoidance and can be customized.

  From the Home screen, touch 

 > 

 > 

.

Range—change the measured radius of the safe zone ring to a specified 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 defined time interval (ranging from 1 to 24 minutes).

•

•