2.3333 5 3
Humminbird Helix 12 Mega SI GPS G2N CHIRP Fishfinder Chartplotter
Item No. 321640
Humminbird Helix 12 Mega SI GPS G2N CHIRP Fishfinder Chartplotter is rated 2.3 out of 5 by 3.
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Humminbird Helix 12 Mega SI GPS G2N CHIRP Fishfinder Chartplotter
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Humminbird Helix 12 Mega SI GPS G2N CHIRP Fishfinder Chartplotter

Humminbird Helix 12 Mega SI GPS G2N CHIRP Fishfinder Chartplotter is rated 2.3 out of 5 by 3.
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Item No. 321640
$2,374.99 $2,499.99
Save $125.00 ( 5% Off )
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Additional Information
With a full arsenal of tools and new features, the Helix G2N CHIRP Fishfinder Chartplotters are now networkable with other Humminbird units and Minn Kota trolling motors, including Humminbird CHIRP Radar, Auto Pilot, 360 Imaging, and i-Pilot allowing users to "follow the contour." These units also feature Bluetooth capability, so you can view messages and missed calls from your head unit. All Helix G2N models now come with CHIRP technology for impressive detail and accuracy in virtually any application. A new user-friendly interface allows you to navigate the system quickly. AutoChart Live lets you map structure and contours on your screen and save them onto your micro SD card. The new SmartStrike feature gives you your own cheat sheet to the best spots on the lake. Mark up to 2750 waypoints and 45 routes, then share them with friends with full network capabilities. The widescreen format allows side-by-side displays of sonar, DI, SI, or GPS screens. The clearest, sharpest sonar image ever, Mega Imaging pushes sonar to the megahertz range of 1.2 MHz, nearly 3 times the frequency of traditional Side Imaging. Mega Imaging provides unrivaled, never-before-seen detail at up 125' on each side of and 125' deep below the boat. The internal precision GPS comes with built-in basemap. Dual card slots accommodate Navionics and Lakemaster map upgrades. 500 watts RMS.

360 Imaging
360 Imaging allows you to isolate your sweep. See 5 preset views or see all around you.

Side Imaging Sonar
Gain a 180° side-to-side perspective on the world below the surface.

Down Imaging Sonar
Get a fish-eye's view of what's happening below your boat. Incredible images are created with high-frequency sound waves.

SwitchFire Sonar
Take command of how your sonar returns appear with Clear and Max Modes.

DualBeam Plus Sonar
Two beams combine for great detail and a wide coverage area. Use the narrow beam for high-accuracy returns and bottom. Use the wide beam when you want a larger search area.

Internal GPS
GPS antenna is built into the head unit.

Contour XD Cartography
Contour XD is our built-in base map cartography that covers 3,000 US lakes with depth contours and many other locations without contours.

Ethernet
Rig up the ultimate fishing system. Use the 5-Port Ethernet Switch to link together multiple Humminbird head units or share transducers.

Wireless
Built-In Browser. Surf the web, monitor weather, and stay connected from the dock, offshore waters, and in between. Plus, take wireless control of your Humminbird with the new Bluetooth Remote and Dongle.

NMEA 2000 Ready
Boat performance, weather, or water conditions. Get an at-a-glance view of fuel consumption, engine performance, and other vessel data.

AutoChart Live
Make a map where there is no map. AutoChart Live allows you to create digital, detailed maps live and on the water. You can also use it to enhance your existing charts.

SmartStrike
SmartStrike takes you straight to the action by showing you where the fish are biting at any given moment.

NMEA 0183/2000

Dual SD Card Slots
Use one slot for advanced cartography and the other to save screenshots, sonar recordings, and waypoints.

Micro SD Card Reader
Use for advanced cartography or to save screenshots, sonar recordings, and waypoints or to update your unit's software.

• Display Size: 12.1" diag.
• Display Matrix: 1280H x 800V pixels
• Display Type: Color TFT w/65,000 color grayscale
• Backlight: LED
• Target Separation: 2.5"
• Power Output RMS: 500 Watts
• Power Output Peak to Peak: 4000 Watts
• Depth Capability: 1500' / 400'(DI) / 125'(SI)

Sonar Capabilities
Mega Side Imaging / Mega Down Imaging Sonar Coverage
• 455 kHz / (2) 86° @ -10db
• Side Imaging Range to 400' Either Side
• Down Imaging Range to 400' Deep

• 1.2 MHz / (2) 55° @ -10db
• Side Imaging Range to 125' Either Side
• Down Imaging Range to 125' Deep

DualBeam PLUS Sonar Coverage
• 200 kHz / 20° @ -10db
• 83 kHz / 60° @ -10db

• Dual SD Card Slots
• microSD Card Reader
• Temperature: Sensor Built Into Transducer
• GPS Speed Included
• Mounting Options: Gimbal or In-Dash
• Transducer: XM 9 20 MSI T Transom-Mount
• Power Input: 10.8-20 VDC
• Power Draw: 3.0 Amps
• Unit Size w/Gimbal: 14.86"W x 8.90"H x 4.11"D
• Unit Size (In-Dash Mount): 14.86"W x 8.52"H x 3.90"D

More Features
Waypoints: 2,750
Routes: 45
Tracks/Points: 50/20,000
Upgradeable Internal Software
Split Screen Zoom
Split Screen Bottom Lock
3D Chart View
Large Digits View
Wide/Narrow Cone Split Screen
Custom View Selections
Custom Digital Readout
View Preset Keys
Temperature Graph
Temperature Alarm
Freeze Frame
Instant Image Update
Mark Structure On Sonar
Selective Fish ID+
Real Time Sonar
Triplog
X-Press Menu System
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  • Networkable with Humminbird and Minn Kota
  • Bluetooth capability
  • User-friendly interface
  • Mega Side Imaging/Down Imaging w/1.2 MHz sonar
  • Built-in Contour XD base map
Accepts Data Cards Yes
Antenna Internal
Dimensions 14.86"W x 8.90"H x 4.11"D
Display Resolution 1280 x 800
Display Size 12.1" diag.
Display Type TFT
Included Cartography Contour XD
Max. Depth 1500.00 ft
Model Number Helix 12 Mega SI
Network/Interface NMEA 0183 / NMEA 2000
Operating Frequency 200/83/455 kHz / 1.2 MHz
Power Output 500.00 W
Sonar Coverage 20° / 60° / (2) 86° / (2) 55°
Speed GPS Speed
Temp Yes
Transducer XM 9 20 MSI T Transom-Mount
Waterproof Yes
Unit Weight 16.00 lb
Brand Humminbird
Rated 5 out of 5 by from Size comparison Fantastic unit. Went from a helix 7 to a 12 and it’s amazing what more you can see.
Date published: 2019-08-11
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Does this unit have side imaging and down imaging in one? In the features description it states, "The widescreen format allows side-by-side displays of sonar, DI, SI, or GPS screens".

Asked by: bford
The Humminbird Helix 12 Mega SI GPS G2N CHIRP Fishfinder Chartplotter comes standard with a 20ft Transom Transducer that will read Side Imaging, Down Imaging and dual beam sonar. The unit also has full views for Sonar, Side Imaging and Down Imaging or split screens views. See the operation manual at the following link. https://www.humminbird.com/support/manuals
Answered by: HB Product Expert
Date published: 2019-08-07
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