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only the top gel-coat layer. This will help to avoid cracking in the gel-coat layer
when the screws are tightened.
Before you mount the device, you must select a mounting location and
determine the mounting hardware needed for the surface.
NOTE: Mounting hardware is included with the device, but it may not be
suitable for the mounting surface.
1
Place the device in the mounting location and mark the location of the pilot
holes.
2
Using a bit appropriate for the surface and the mounting hardware, drill a
pilot hole for one corner of the device.
3
Loosely fasten the device to the surface with one corner and examine the
other three pilot-hole marks.
4
Mark new pilot-hole locations if necessary.
5
Remove the device from the mounting surface.
6
Drill the appropriate pilot holes for the other three marks.
7
Secure the device to the mounting location.
Connection Considerations
Connecting the Wiring Harness to Power
1
Route the wiring harness to the power source and to the device.
2
Connect the red wire to the positive (+) battery terminal, and connect the
black wire to the negative (-) battery terminal.
Connecting a VHF Antenna
1
Mount the VHF antenna (sold separately) according to the installation
instructions provided with the antenna.
NOTE: You can purchase a VHF extension cable. Go to buy.garmin.com
or contact your Garmin dealer.
2
Connect the VHF antenna to the VHF ANT port on the AIS 800 device.
Connecting the Device to a Remote GPS Antenna
This device must receive GPS information for proper functionality. The device
includes an internal GPS antenna. If your mounting location does not provide
good GPS reception, you can install a remote GPS antenna (not included) and
connect it to the device.
1
Follow the instructions provided with your external GPS antenna to install it
on your boat correctly.
2
Route the GPSantenna cable to the back of your device, away from
sources of electrical interference.
3
Connect the GPS antenna cable to the GPS ANT port on your device.
NMEA 2000
®
Device Connections
NOTICE
If you are installing a NMEA 2000 power cable, you must connect it to the boat
ignition switch or through another in-line switch. NMEA 2000 devices will drain
your battery if the NMEA 2000 power cable is connected to the battery directly.
If you are unfamiliar with NMEA 2000, you should read the "NMEA 2000
Network Fundamentals" chapter of the Technical Reference for NMEA 2000
Products. Go to www.garmin.com/manuals.
2
Item
Description
Compatible NMEA 2000 chartplotter or other device
AIS 800 device
Ignition or in-line switch
NMEA 2000 power cable
NMEA 2000 drop cable
12 Vdc power source
NMEA 2000 terminator or backbone cable
NMEA 2000 T-connector
NMEA 2000 terminator or backbone cable
NMEA
0183 Device Connections
®
This diagram illustrates two-way connections for both sending and receiving
data. You can also use this diagram for one-way communication. To receive
information from a NMEA 0183 device, refer to items
connecting the Garmin device. To transmit information to a NMEA 0183
device, refer to items
and
when connecting the Garmin device.
Item
Description
Power source
Power/NMEA 0183 cable
Wire
Garmin Wire Color
Red
Yellow
Black
Purple
Gray
Blue
Brown
Green
,
, and
when
Garmin Wire Function
Power
ACC on
Power ground
RxA (+)
RxB (-)
TxA (+)
TxB (-)
Receive only
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