GPSMAP 5000 Series Owner’s Manual Configuring the DeviceC onfiGUrinGthe deViCeFuel Capacity—enter the total fuel capacity of all your engines.To adjust the Keel Offset:1. From the Home screen, touch Configure > My Boat > Keel Offset.2. Using the on-screen keyboard, enter the measured distance from the transducer location to thewater 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), entera (-) negative number. This shows the depth at the surface.3. Touch Done to accept the number.Transducer at the water lineTransducer at the bottom ofthe keelKeel OffsetA (+) positive numbershows depth at the bottomof the keel.A (-) negative numbershows depth at the surface.Configuring Other VesselsNote: 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 Configure > other Vessels.aiS—turn AIS on or off. AIS alerts you to area traffic by providing boat IDs, position, course, andspeed 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 usedfor collision avoidance and can be customized.To customize safe-zone settings:From the Home screen, touch Configure > Other Vessels > Collision Alarm.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 willintersect the Safe Zone within the defined time interval (ranging from 1 to 24 minutes).••••