Connecting the Device to a Remote GPS Antenna
This device has an internal GPS receiver, but some
installations, such as a flush-mount installation, may not allow a
view of the sky needed to calculate your GPS position. In this
situation, you can install a Garmin external GPS antenna and
connect it to the device to provide GPS information.
Devices that can receive information from a Garmin external
GPS antenna have a port labeled EXT GPS.
1
Follow the instruction provided with your Garmin external
GPS antenna to install it on your boat correctly.
2
Route the antenna cable to the back of your device, away
from sources of electrical interference.
3
Connect the antenna cable to the EXT GPS port on your
device.
NMEA 2000 Considerations
If you have an existing NMEA 2000 network on your boat, it
should already be connected to power. Do not connect the
NMEA 2000 power cable to an existing NMEA 2000 network,
because only one power source should be connected to a
NMEA 2000 network.
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.
NMEA 2000 compatible models can connect to a NMEA 2000
network on your boat to share data from NMEA 2000
compatible devices such as a VHF radio. The necessary NMEA
2000 cables and connectors are sold separately.
If you are unfamiliar with NMEA 2000, you should read the
"NMEA 2000 Network Fundamentals" chapter of the Technical
Reference for NMEA 2000 Products. To download this
document, select Manuals on the product page for your device
at www.garmin.com.
The port labeled NMEA 2000 on the back of the device is used
to connect it to a standard NMEA 2000 network.
Item
Description
NMEA 2000 compatible Garmin device
NMEA 2000 drop cable
NMEA 2000 power cable
Ignition or in-line switch
12 Vdc power source
NMEA 2000 terminator or backbone cable
NMEA 2000 T-connector
NMEA 2000 terminator or backbone cable
4
NOTICE
Loading the New Software on a Memory
Card
The device may contain a software-update memory card. If so,
follow the instructions provided with the card. If a software
update memory card is not included, you must copy the
software update to a memory card.
1
Insert a memory card into the card slot on the computer.
2
Go to www.garmin.com/support/software/marine.html.
3
Select Download next to "Garmin Marine Network with SD
card."
4
Read and agree to the terms.
5
Select Download.
6
Select Run.
7
Select the drive associated with the memory card, and select
Next > Finish.
Updating the Device Software
Before you can update the software, you must obtain a
software-update memory card or load the latest software onto a
memory card.
1
Turn on the chartplotter.
2
Insert the memory card into the card slot.
3
Follow the on-screen instructions.
4
Wait several minutes while the software update process
completes.
The device returns to normal operation after the software
update process is complete.
5
Remove the memory card.
Specifications
Physical Specifications
Device
Specification
Eight-inch
Dimensions
models
(W×H×D)
Display size (W×H)
Weight
Ten-inch models Dimensions
(W×H×D)
Display size (W×H)
Weight
All models
Temperature range
Material
Electrical Specifications
Device
Specification
All models
Input power
Fuse
NMEA 2000 LEN
NMEA 2000 draw
Compass-safe distance
Eight-inch models
Max. power usage at 10 Vdc
Typical current draw at 12 Vdc
Max. current draw at 12 Vdc
Ten-inch models
Max. power usage at 10 Vdc
Typical current draw at 12 Vdc
Max. current draw at 12 Vdc
Measurement
294 mm (11.58 in.) × 188 mm
(7.4 in) × 74 mm (2.91 in.)
162 mm (6.38 in.) × 121.5 mm
(4.78 in.)
1.6 kg (3.53 lb.)
360 mm (14.17 in.) × 236 mm
(9.29 in) × 75 mm (2.95 in.)
211.2 mm (8.31 in.) ×
158.4 mm (6.24 in.)
2.2 kg (4.85 lb.)
From 5° to 131°F (from -15° to
55°C)
Polycarbonate plastic
Measurement
10–32 Vdc
6 A, fast-acting
2
100 mA max.
30 cm (11.8 in.)
35 W
1.5 A
3.5 A
40 W
2.0 A
4.0 A
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