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Connecting the Device to a Garmin Marine 

Radar

Only radar-compatible devices are capable of receiving 

information from a Garmin Marine Radar. Radar-compatible 

devices have a port labeled RADAR. Go to 

www.garmin.com

 or 

contact your local Garmin dealer to determine the appropriate 

type of radar for your needs.

1

Follow the instructions provided with your radar to correctly 

install it on your boat.

2

Route the Garmin Marine Network cable from the radar to the 

back of your device, away from sources of electrical 

interference.

3

Connect the Garmin Marine Network cable to the RADAR 

port on your device.

Additional Grounding Consideration

This consideration is applicable only to seven-inch devices.
This device should not need additional chassis grounding in 

most installation situations. If you experience interference, the 

grounding screw on the housing can be used to connect the 

device to the water ground of the boat to help avoid the 

interference.

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

After the home screen appears, insert the memory card into 

the card slot.

NOTE: 

In order for the software update instructions to 

appear, the device must be fully booted before the card is 

inserted.

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.

NOTE: 

If the memory card is removed before the device 

restarts fully, the software update is not complete.

Specifications

Physical Specifications

Device

Specification

Measurement

Five-inch 
models

Dimensions 
(W×H×D)

6

7

/

64

 × 5

15

/

16

 × 2

13

/

32

in. (155 × 

151 × 61 mm)

Display size (W×H) 2

29

/

32

 in. × 4 in. (74 × 101.6 mm)

Weight

1.72 lbs (779 g)

Device

Specification

Measurement

Seven-inch 
models

Dimensions 
(W×H×D)

9

1

/

16

 × 5

5

/

8

 × 2

9

/

32

in.(230 × 143 × 

58 mm)

Display size (W×H) 6

1

/

64

 in. × 3

11

/

32

 in. (153 × 85 mm)

Weight

2.31 lbs (1.048 kg)

All models

Temperature range From 5° to 131°F (from -15° to 

55°C)

Material

Polycarbonate plastic

Electrical Specifications

Device

Specification

Measurement

All models

Input power

10–32 Vdc

Fuse

3 A, fast-acting

NMEA 2000 LEN

2

NMEA 2000 Draw

100 mA max.

Five-inch models

Max. power usage at 10 Vdc

27 W

Typical current draw at 12 Vdc 450 mA
Max current draw at 12 Vdc

2.7 A

Compass-safe distance

450 mm (17.72 in.)

Seven-inch models Max. power usage at 10 Vdc

27 W

Typical current draw at 12 Vdc 1.3 A
Max current draw at 12 Vdc

2.3 A

Compass-safe distance

600 mm (23.62 in.)

NMEA 2000 PGN Information

Type

PGN

Description

Transmit and receive 059392 ISO acknowledgment

059904 ISO request
060928 ISO address claim
126208 NMEA: Command, request, and 

acknowledge group function

126996 Product information
127250 Vessel heading
128259 Speed: Water referenced
128267 Water depth
129539 GNSS DOPs
129799 Radio frequency, mode, and power
130306 Wind data
130312 Temperature

Transmit

126464 Transmit and receive PGN list group 

function

127258 Magnetic Variance
129025 Position: Rapid update
129026 COG and SOG: Rapid update
129029 GNSS position data
129283 Cross track error
129284 Navigation data
129285 Navigation route and waypoint info
129540 GNSS satellites in view

Receive

127245 Rudder
127250 Vessel heading
127488 Engine parameters: Rapid update
127489 Engine parameters: Dynamic
127493 Transmission parameters: Dynamic
127498 Engine parameters: Static
127505 Fluid level
129038 AIS class A position report
129039 AIS class B position report
129040 AIS class B extended position report

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