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Garmin GPSMAP 840sx Chartplotter Fishfinder 
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GARMIN
GPSMAP 840sx

8" Keyed Chartplotter/Sonar Combo for Cruising, Sailing or Fishing

  • Keyed chartplotter/sonar combo with 8” color SVGA display
  • Preloaded U.S. LakeVü™ HD and BlueChart® g2 coastal maps
  • Built-in Garmin HD-ID™ and supports CHIRP and DownVü™ scanning sonar with CHIRP technology
  • High-sensitivity internal 10 Hz GPS/GLONASS receiver
  • Supports all Garmin marine radar

The GPSMAP 840xs keyed chartplotter/sonar combo has a 8” color SVGA display and comes with preloaded U.S. LakeVü HD and BlueChart g2 coastal maps. HD-ID 1 kW sonar, CHIRP and DownVü with CHIRP sonar technology are built-in, allowing you the flexibility to choose from several optional transducers.

Extreme Sonar Capabilities

The built-in sonar capabilities of the GPSMAP 840xs gives you the freedom and flexibility to choose from several optional transducers, including 1 kW traditional, CHIRP and all-in-one HD-ID/DownVü scanning sonar with CHIRP technology. Add a GCV™ 10 black box sonar for both DownVü and SideVü™ scanning sonar with CHIRP technology (sold separately).

CHIRP Support

When used with a compatible CHIRP transducer (sold separately), GPSMAP 840xs displays crystal-clear sonar images detailing fishing hot spots, ship wreckage or a diving location. With Garmin CHIRP technology, you get remarkable target separation and resolution at extraordinary depths, and can dial into specific frequencies to target certain species of sport fish. Bottom contours are more visible, even at speed, and signal noise can be suppressed at greater depths to provide a more timely interpretation of what’s below for safer navigation and better fishing.

Dynamic Sea Temperature

Set a range for sea temperatures, and it dynamically adjusts to display a color range that can be used to target certain types of fish. (Optional GXM™ 52 required) .

Radar Support

Add your choice of marine radar, either open array or our new xHD dome radar that pair ease of use with advanced open array features.

Includes Inland and Coastal Mapping

The GPSMAP 840xs comes preloaded with both BlueChart g2 coastal maps and LakeVü HD, which features 17,000 U.S. lakes, of which more than 5,700 HD lakes have 1’ contours shoreline to shoreline. It's also compatible with optional mapping, LakeVü HD Ultra with MaxDef Lakes and BlueChart g2 Vision.

Super-fast 10 Hz GPS/GLONASS

High-sensitivity internal 10 Hz GPS/GLONASS provides position and heading updates 10 times per second. It displays fluid on-screen location and proves to be incredibly accurate when marking waypoints and navigating.

NMEA 2000® Support

This combo allows you to add more capabilities to your boat. It provides NMEA 2000 support so you can see valuable information on your screen for Garmin autopilot, engine data, SiriusXM Weather radar and more.

Networking

The GPSMAP 840xs offers select networking capabilities that allow you to share features with other compatible GPSMAP units, such as radar, GCV 10 DownVü and SideVü scanning sonar, supplemental maps, and user data, including waypoints, routes and tracks. User data entered into 1 chartplotter can be automatically synced with other chartplotters in a network.

Physical & Performance

Physical dimensions 11.5" x 7.4" x 2.9" (29.3 x 18.8 x 7.4 cm)
Display size, WxH

6.4" x 4.8"; 8.0" diagonal

(16.2 x 12.1 cm; 20.3 cm diagonal)

Display resolution, WxH 800 x 600 pixels
Display type SVGA display
Weight 3.5 lbs (1.6 kg)
Water rating IPX7
Receiver 10 Hz high-sensitivity
Antenna Internal with external connection
Mounting options Bail, flat or flush
Power consumption

Max power usage at 10 Vdc: 14 W

Typical current draw at 12 Vdc: 1.1 A

Max current draw at 12 Vdc: 3.2 A

Maps & Memory

Preloaded maps BlueChart® g2 (coastal maps) and LakeVü HD (inland maps)
Accepts data cards 2 SD™ cards
Waypoints 5,000
Routes 100
Track log 50,000 points; 50 saved tracks

Features & Benefits

Garmin Radar compatible Yes
Garmin Sonar compatible Yes (built-in) and GCV™ black box compatible
NMEA 2000® compatible Yes
NMEA 0183 compatible Yes
Garmin Marine Network™ compatible Yes (limited capabilities)
Garmin SmartMode compatible (customizable monitor presets) No
Supports AIS (tracks target ships position) Yes
Supports DSC (displays position data from DSC-capable VHF radio) Yes
Tide tables Yes
Garmin Meteor Audio System compatible No
Supports Fusion Lync compatible marine radios No
GSD™ Black Box sonar support No
GCV™ Black Box sonar support Yes
SiriusXM™ Weather & Radio compatible Yes
BlueChart® Mobile (planning) compatible Yes
Garmin Helm compatible Yes
GRID™ (Garmin Remote Input Device) compatible No
Wireless remote compatible No
Wireless mouse compatible No

Sonar Features & Specifications

Dual-frequency (50/200 kHz) sonar capable Yes
Dual-beam (77/200 kHz) sonar capable Yes
Frequencies supported 50/77/200 kHz, CHIRP (low, medium, high), DownVü
Transmit power 1 kW traditional; 600 W CHIRP
CHIRP sonar technology Yes (Built-in)
DownVü™ Yes with CHIRP (built-in)
SideVü™ Yes (with GCV™ black box, sold separately)
Voltage range 10-32 Vdc input
Maximum depth

1,750 ft @ 50 kHz, saltwater, Garmin dual freq transducer @ 500 W

2,700 ft @ 50 kHz, saltwater, Airmar B260 transducer @ 1000 W

(depth capacity is dependent on water bottom type and other water conditions)

Bottom lock (shows return from the bottom up) Yes
Water temperature log and graph Yes
Sonar recording Yes
Sonar history rewind No

Connections

NMEA 0183 input ports 2
NMEA 0183 output ports 2
Video input ports None
Video output ports None
Wireless connectivity Yes
Garmin Marine Network™ ports 1


Model - 010-01181-00 -
U.S. Lakes & U.S. Offshore with HD-ID/ DownVu transducer, 8-pin


Quantity:
Price - $1,599.99