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Item
Wire Function
Ground (power and NMEA 0183)
Power
Connecting the Wiring Harness to Power
1
Route the wiring harness to the power source and to the
device.
2
Connect the red wire to the positive (+) battery terminal, and
connect the black wire to the negative (-) battery terminal.
NMEA 0183 Connection Considerations
• The installation instructions provided with your NMEA 0183
compatible device should contain the information you need to
identify the transmitting (Tx) and receiving (Rx) A (+) and B
(-) wires.
NMEA 0183 Connection Diagram
Item
Description
12 Vdc power source
Wiring harness
NMEA 0183-compliant device
Item Garmin Wire
Garmin Wire
Function
Color
Power
Red
Ground
Black
Tx
Blue
Rx
Brown
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
Device
Specification
echoMAP 40 Dimensions (W x H x D) 10.2 x 16.8 x 4.6 cm (4 x 6.6 x
Display size (W x H)
Weight
Power input
Max. power usage
Compass-safe distance 20 cm (8 in.)
4
Wire Color
Black
Red
-
+
NMEA 0183 Device Wire
Function
Power
Data ground
Rx/A (+)
Tx/A (+)
Measurement
1.8 in.)
5.4 x 9.5 cm (2.1 x 3.7 in.)
0.4 kg (0.9 lbs.)
From 10 to 18 Vdc
5 W
Device
Specification
echoMAP 50 Dimensions (W x H x D) 17.3 x 13.5 x 4.4 cm (6.81 x
Display size (W x H)
Weight
Power input
Max. power usage
Compass-safe distance 75 cm (29.5 in.)
All Models
Temperature range
Material
Water rating
Transmit power (RMS)** 500 W
Maximum depth***
Frequencies****
*The device withstands incidental exposure to water of up to 1 m
for up to 30 min. For more information, go to
/waterrating.
**Dependent upon transducer rating and depth.
***Maximum depth, dependent upon transducer, water salinity,
bottom type, and other water conditions.
****Dependent upon echoMAP model.
NMEA 0183 Information
Type
Sentence
Transmit
GPAPB
GPBOD
GPBWC
GPGGA
GPGLL
GPGSA
GPGSV
GPRMB
GPRMC
GPRTE
GPVTG
GPWPL
GPXTE
PGRME
PGRMM
PGRMZ
SDDBT
SDDPT
SDMTW
SDVHW
Receive
DPT
DBT
MTW
RMC/GGA/GLL
VHW
WPL
echoMAP 40/50 Series Installation Instructions
Measurement
5.35 x 1.73 in.)
9 x 9 cm (3.54 x 3.54 in.)
0.58 kg (1.28 lbs.)
From 10 to 20 Vdc
7.1 W
From -15 to 55°C (from 5 to
131°F)
Polycarbonate plastic
IEC 60529 IPX7
701 m (2300 ft) at 77 kHz
• Traditional: 50,77, or
200 kHz
• DownVü: 260 or 455 kHz.
www.garmin.com
Description
APB: Heading or track controller
(autopilot) sentence "B"
BOD: Bearing (origin to
destination)
BWC: Bearing and distance to
waypoint
GGA: Global positioning system
fix data
GLL: Geographic position
(latitude and longitude)
GSA: GNSS DOP and active
satellites
GSV: GNSS satellites in view
RMB: Recommended minimum
navigation information
RMC: Recommended minimum
specific GNSS data
RTE: Routes
VTG: Course over ground and
ground speed
WPL: Waypoint location
XTE: Cross track error
E: Estimated error
M: Map datum
Z: Altitude
DBT: Depth below transducer
DPT: Depth
MTW: Water temperature
VHW: Water speed and heading
Depth
Depth below transducer
Water temperature
GPS position
Water speed and heading
Waypoint location
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