Installing the Cradle in the Mount1 Pull up the locking arm À.2 Place the cradle into the swivel mount Á.3 Tilt the mount to the desired viewing angle.4 Press down the locking arm.Installing the Cables and ConnectorsWiring to Power1 Route the power cable from the swivel mount to the boatbattery or fuse block.2 If necessary, extend the wires using .52 mm2 (20 AWG) orlarger wire.3 Connect the red wire to the positive terminal on the battery orfuse block, and connect the black wire to the negativeterminal.Connecting the Device to a TransducerNOTE: The device goes into simulator mode if the connection isnot secure between the device and transducer.Go to www.garmin.com or contact your local Garmin dealer todetermine the appropriate type of transducer for your needs.1 Follow the instructions provided with your transducer tocorrectly install it on your boat.2 Route the transducer cable to the back of your device, awayfrom sources of electrical interference.3 Connect the transducer cable to the appropriate port on yourdevice.Connecting the Cables to the CradleThe connectors on the cables are keyed to fit only in the correctports on the device or cradle. The connected cables are held inplace by a locking bracket.1 Remove the cable locking bracket from the cradle.2 Compare the divots À on each cable connector to the keyingon each port to determine which cable corresponds to eachport.3 Securely connect each cable to a port.4 Place the locking bracket Á over the cables and slide thebracket down to lock the cables in place.There is an audible click when the locking bracket is installedcorrectly.Installing the Device in the CradleIf your device uses a cradle and you have connected the cablesto the cradle, you can quickly place the device in the cradlewithout plugging in any cables.1 Place the base of the device in the bottom of the cradle.2 Tilt the device toward the cradle until it fastens in place.There is an audible click when the device is secured in thecradle.Removing the Device from the Cradle1 Press the release lever À on the cradle until the device isreleased.2 Tilt the device forward, and lift it out of the cradle.Wiring Harness• The wiring harness connects the device to power and NMEA®0183 devices.• The device has one internal NMEA 0183 port that is used toconnect to NMEA 0183 compliant devices.• If it is necessary to extend the power and ground wires, youmust use .52 mm2 (20 AWG) or larger wire.• If it is necessary to extend the NMEA 0183 or alarm wires,you must use .33 mm2 (22 AWG) wire.Item Wire Function Wire ColorÀ NMEA 0183 internal port Rx (in) BrownÁ NMEA 0183 internal port Tx (out) BlueechoMAP 40/50 Series Installation Instructions 3