background image

2

Connect the bare-wire end of the power cable to a 12 Vdc 

power source and to ground.

3

Align the notch on the end of the power cable with the power 

port on the device, and press the cable into place.

4

Tighten the locking ring.

5

Repeat steps 3 and 4 for the network and transducer cables.

Installation Diagram

You can use this diagram to identify the connection points from 

your sounder to the network, power, and transducer.

Item

Description

À

Chartplotter

Á

GCV 10

Â

Power Source

Ã

Transducer

Cable Routing Grommets

NOTICE

Cable routing grommets do not create a waterproof seal. To 

create a waterproof seal, apply a marine sealant around the 

grommet and cable after installation. Be sure to test the system 

before sealing the grommets.

When routing cables through your boat, it may be necessary to 

drill holes to route the connector ends of the cables. A rubber 

grommet is provided to cover the cable hole for a finished look. 

You can purchase additional grommets from your Garmin 

dealer or directly from Garmin at 

www.garmin.com

.

Installing the Cable Grommet

1

Mark the location where you want to route the cable.

2

Using a 32 mm (1¼ in.) paddle drill bit or hole saw, drill the 

installation hole.

3

Route the cable through the hole to the sounder.

4

Spread the grommet apart at the split, and place it around 

the cable.

5

Firmly push the grommet into the installation hole until it is 

seated.

6

Apply marine sealant, as needed, to weatherproof the 

installation hole.

Blink Codes

After the sounder is installed, it turns on when the chartplotter is 

turned on. The two-color (green and red) LED on the sounder 

indicates its operational status.

LED 
Color

State

Status

Green

Slow blink

The sounder is connected to a chartplotter 
and is operating properly. You should see 
sonar data on the chartplotter.

Red

Slow blink

The sounder is turned on, but is not 
connected to a chartplotter, or is waiting to 
connect to a chartplotter. If the sounder is 
connected to the chartplotter and this code 
persists, check the wiring connections.

Red/
Green

Slow blink

The sounder is in test mode.

Red

Rapid blink 
sequence

System error. The chartplotter displays a 
message indicating the type of failure. When 
the error condition is fixed, the sounder must 
be completely disconnected from and 
reconnected to its power source to clear the 
error.

Specifications

Specification

Measurement

Size (H×W×D)

251 x 192 x 66 mm (9.9 x 7.6 x 2.6 in.)

Weight

845 g (1.86 lb.)

Case Material

Fully gasketed, polycarbonate plastic, water 
resistant to IEC 60529-IPX7

Temperature Range

From -15° to 70°C (from 5° to 158°F)

Power Input

From 10 to 35 Vdc

Power usage

10.5 W maximum

Fuse

4.0 A, mini 42 Vdc, fast-acting, blade-type

Compass Safe 
Distance

260 mm (10.2 in. )

Transmit Power (RMS)* 500 W per element (1,500 W combined)

*dependent upon transducer rating and depth

Frequency

455/800 kHz

Depth**

229 m (750 ft) down; 153 m (500 ft) side
**maximum depth, dependent upon 
transducer, water salinity, bottom type, and 
other water conditions

Data Output

Garmin Marine Network

2

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