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Compass-safe distance

65 cm (25.6 in.)

Memory card

2 SD card slots; 32 GB max. card size

7x12 Models

Dimensions (W × H × D)

33.0 × 22.6 × 7.9 cm (13.0 × 8.9 × 
3.1 in.)

Display size (W × H)

26.2 × 16.3 cm (10.3 × 6.4 in.)

Weight

2.72 kg (6.0 lb.)

Max. power usage at 10 Vdc

36 W

Typical current draw at 12 Vdc 2.5 A
Max. current draw at 12 Vdc

3.0 A

Compass-safe distance

65 cm (25.6 in.)

Memory card

2 SD card slots; 32 GB max. card size

7x16 Models

Dimensions (W × H × D)

42.7 × 27.5 × 8.6 cm (16.8 × 10.8 × 
3.4 in.)

Display size (W × H)

34.5 × 19.3 cm (13.6 × 7.6 in.)

Weight

4.3 kg (9.5 lb.)

Max. power usage at 10 Vdc

57.2 W

Typical current draw at 12 Vdc 3.82 A
Max. current draw at 12 Vdc

5.24 A

Compass-safe distance

85.0 cm (33.5 in.)

Memory card

2 SD card slots; 32 GB max. card size

NMEA 2000 PGN Information

Transmit and Receive

PGN

Description

059392

ISO acknowledgment

059904

ISO request

060160

ISO transport protocol: Data transfer

060416

ISO transport protocol: Connection management

060928

ISO address claimed

065240

Commanded address

126208

Request group function

126996

Product information

126998

Configuration information

127237

Heading/track control

127250

Vessel heading

127258

Magnetic variance

127488

Engine parameters: Rapid update

127489

Engine parameters: Dynamic

127493

Transmission parameters: Dynamic

127505

Fluid level

127508

Battery status

128259

Speed: Water referenced

128267

Water depth

129025

Position: Rapid update

129026

COG and SOG: Rapid update

129029

GNSS position data

129283

Cross track error

129284

Navigation data

129539

GNSS DOPs

129540

GNSS satellites in view

130306

Wind data

130310

Environmental parameters (obsolete)

130311

Environmental parameters (obsolete)

130312

Temperature (obsolete)

Transmit

PGN

Description

126464

Transmit and receive PGN list group function

127497

Trip parameters: Engine

Receive

PGN

Description

065030

Generator average basic AC quantities (GAAC)

126992

System time

127251

Rate of turn

127257

Attitude

127498

Engine parameters: Static

127503

AC input status (obsolete)

127504

AC output status (obsolete)

127506

DC detailed status

127507

Charger status

127509

Inverter status

128275

Distance log

129038

AIS class A position report

129039

AIS class B position report

129040

AIS class B extended position report

129044

Datum

129285

Navigation: Route, waypoint information

129794

AIS class A static and voyage related data

129798

AIS SAR aircraft position report

129799

Radio frequency/mode/power

129802

AIS safety-related broadcast message

129808

DSC call Information

129809

AIS class B "CS" static data report, part A

129810

AIS class B "CS" static data report, part B

130313

Humidity

130314

Actual pressure

130316

Temperature: Extended range

130576

Trim tab status

130577

Direction data

NMEA 0183 Information

Transmit

Sentence Description

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

6

Summary of Contents for GPSMAP 74 Series

Page 1: ...mperature range for this device is listed in the product specifications Extended exposure to temperatures exceeding the specified temperature range in storage or operating conditions may cause device...

Page 2: ...ify placement of the remaining nut plates and holes on the template 13Using a 3 5 mm 1 8 in drill bit drill the smaller holes 14Remove the template from the mounting surface 15Starting in one corner o...

Page 3: ...iled mapping When connecting Garmin Marine Network devices to this device observe these considerations All devices connected to the Garmin Marine Network must be connected to the same ground If multip...

Page 4: ...be connected to a common ground For two way communication with a NMEA 0183 device the internal ports on the NMEA 0183 data cable are not linked For example if the input of the NMEA 0183 device is con...

Page 5: ...etwork on your boat to read data from compatible devices such as certain engines The engine network follows a standard and uses proprietary messages You should connect only one chartplotter to one eng...

Page 6: ...s obsolete 130312 Temperature obsolete Transmit PGN Description 126464 Transmit and receive PGN list group function 127497 Trip parameters Engine Receive PGN Description 065030 Generator average basic...

Page 7: ...lectronic engine controller 2 61444 Electronic engine controller 1 65031 Exhaust temperature 65172 Engine auxiliary coolant 65252 Shutdown 65253 Engine hours and revolutions 65262 Engine temperature 1...

Page 8: ...2016 Garmin Ltd or its subsidiaries support garmin com...

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