Garmin Echomap Plus 40 series Installation Instruction - Page 3
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Also for Garmin Echomap Plus 40 series: Owner's Manual (50 pages), Installation Instructions Manual (6 pages)
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• If it is necessary to extend the NMEA 0183 or alarm wires,
2
you must use .33 mm
Item
Wire Function
NMEA 0183 internal port Rx (in)
NMEA 0183 internal port Tx (out)
Ground (power and NMEA 0183)
Power
NMEA 0183 Connection Considerations
• The installation instructions provided with your NMEA 0183
compatible device should contain the information you need to
identify the transmitting (Tx) and receiving (Rx) A (+) and B
(-) wires. Each port may have one or two transmitting wires,
or one or two receiving wires.
• When connecting NMEA 0183 devices to ports containing
two transmitting (Tx) wires or two receiving (Rx) wires each, it
is not necessary for the NMEA 0183 device to connect to a
common ground.
• When connecting a NMEA 0183 device to ports containing
one transmitting (Tx) wire or one receiving (Rx) wire each,
the NMEA 0183 device must be connected to a common
ground.
• When the device is mounted in a location that prevents the
internal antenna from acquiring a satellite signal, you can
connect an external GPS 19x antenna through a NMEA 0183
connection. For more information, see the GPS 19x
Installation Instructions.
NMEA 0183 Connection Diagram
Item
Description
12 Vdc power source
Wiring harness
NMEA 0183 compliant device
Item Garmin Wire
Garmin Wire
Function
Color
Power
Red
Ground
Black
Tx/Rx
Tx
Blue
Rx
Brown
Connecting to a Garmin Device to Share User Data
You can connect the ECHOMAP Plus device to a compatible
Garmin device to share user data, such as waypoints. If the
devices are mounted near each other, you can connect the blue
and brown wires. If the devices are mounted too far apart for the
wires to reach, you can connect the devices using a User Data
Sharing Cable (010-12234-06).
1
Make sure both devices are connected to the same ground.
2
Complete an action:
• If the devices are mounted near each other, connect the
blue wire from the first device to the brown wire of the
(22 AWG) wire.
Wire Color
Brown
Blue
Black
Red
-
+
NMEA 0183 Device Wire
Function
Power
Data ground
Tx/Rx/B (-)
Rx/A (+)
Tx/A (+)
second, and connect the brown wire from the first device
to the blue wire of the second.
• If the devices are not mounted near each other, obtain a
User Data Sharing Cable (010-12234-06), and connect
the devices following the instructions included with the
cable.
3
On both devices, select Navigation Info > Manage Data >
User Data Sharing.
User data is shared between the connected devices. If you
select Clear User Data, data is removed from both connected
devices.
Connecting the Device to a Transducer
Go to
www.garmin.com/transducers
Garmin dealer to determine the appropriate type of transducer
for your needs.
1
Follow the instructions provided with your transducer to
correctly install it on your boat.
2
Route the transducer cable to the back of your device, away
from sources of electrical interference.
3
Connect the transducer cable to the appropriate port on the
cradle.
Connecting the Cables to the Cradle
The connectors on the cables are keyed to fit in only in the
correct ports on the cradle. The connected cables are held in
place by a locking bracket.
1
Slide the cable locking bracket up from the bottom and
remove the bracket from the cradle.
2
Compare the divots
on each cable connector to the keying
on each port to determine which cable corresponds to each
port.
3
Fully and firmly insert each cable through a hole in the cradle,
and securely connect each cable to a port.
NOTE: If the cables are not inserted far enough into the
cradle, the connectors may not connect securely to the ports,
and the device may appear to lose power or stop working.
4
Place the locking bracket
bracket down to lock the cables in place.
There is an audible click when the locking bracket is installed
correctly.
or contact your local
over the cables and slide the
3