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Model

Specification

Measurement

Depth

3

701 m (2,300 ft.) at 77 
kHz

All models

Material

Polycarbonate plastic

Water rating

4

IEC 60529 IPX7

Temperature range

From -15° to 55°C (from 
5° to 131°F)

Input voltage

From 9 to 18 Vdc

Fuse

3 A, 125 V fast-acting

Compass-safe 
distance

65 cm (25.6 in.)

NMEA 2000 LEN

5

1

NMEA 2000 draw

5

75 mA max.

Memory card

1 microSD

®

 card slot; 32 

GB max. card size

Max. waypoints

5,000

Max. routes

100

Max. active track 
points

50,000 points, 50 saved 
tracks

1

Dependent upon transducer and chartplotter model.

2

Dependent upon transducer rating and depth.

3

Maximum depth is dependent upon transducer, water salinity, 

bottom type, and other water conditions.

4

The device withstands incidental exposure to water of up to 1 m 

for up to 30 min. For more information, go to 

www.garmin.com

/waterrating

.

5

NMEA 2000 not available in all models.

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

Type

PGN

Description

129038 AIS class A position report
129039 AIS class B position report
129040 AIS class B extended position report
129794 AIS class A static and voyage related 

data

129798 AIS SAR aircraft position report
129802 AIS safety-related broadcast message
129808 DSC call information
130310 Environmental parameters
130311 Environmental parameters (obsolete)
130313 Humidity
130314 Actual pressure
130576 Small craft status

This data applies only to NMEA 2000-compatible products.

NMEA 0183 Information

Type

Sentence

Description

Transmit GPAPB

APB: Heading or track controller 
(autopilot) sentence "B"

GPBOD

BOD: Bearing (origin to destination)

GPBWC

BWC: Bearing and distance to waypoint

GPGGA

GGA: Global positioning system fix 
data

GPGLL

GLL: Geographic position (latitude and 
longitude)

GPGSA

GSA: GNSS DOP and active satellites

GPGSV

GSV: GNSS satellites in view

GPRMB

RMB: Recommended minimum 
navigation information

GPRMC

RMC: Recommended minimum specific 
GNSS data

GPRTE

RTE: Routes

GPVTG

VTG: Course over ground and ground 
speed

GPWPL

WPL: Waypoint location

GPXTE

XTE: Cross track error

PGRME

E: Estimated error

PGRMM

M: Map datum

PGRMZ

Z: Altitude

SDDBT

DBT: Depth below transducer

SDDPT

DPT: Depth

SDMTW

MTW: Water temperature

SDVHW

VHW: Water speed and heading

Receive DPT

Depth

DBT

Depth below transducer

MTW

Water temperature

VHW

Water speed and heading

WPL

Waypoint location

DSC

Digital selective calling information

DSE

Expanded digital selective calling

HDG

Heading, deviation, and variation

HDM

Heading, magnetic

MWD

Wind direction and speed

MDA

Meteorological composite

MWV

Wind speed and angle

VDM

AIS VHF data-link message

You can purchase complete information about National 
Marine Electronics Association (NMEA) format and 
sentences from: NMEA, Seven Riggs Avenue, Severna Park, 
MD 21146 USA (

www.nmea.org

)

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