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Humminbird HELIX 9 CHIRP GPS G3N

ProductDisplay SizeSonarDepthGPSCartography
HELIX 9 CHIRP GPS G3N

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9"
1024x600
Dual
Spectrum
CHIRP
1,200'InternalHumminbird
Basemap,
AC Live

The HELIX 9 CHIRP GPS G3N is one of the new Humminbird fish finders released in 2019. It offers the same range of features as the HELIX 8 CHIRP GPS G3N that we’ve already presented here, and includes the same 2D CHIRP transducer. Basically, the only difference between the two fish finder systems is the diagonal of the unit’s display. For reference, this is the Humminbird part number 410840-1.

Key Features and Specifications

  • Screen: 9″ diagonal, 1024H x 600V pixel resolution, 16-bit color TFT, with LED backlight
  • Sonar: Dual Spectrum CHIRP
  • Transducer: Transom XNT 9 HW T
  • Depth Capability (with the included transducer): 1,200 feet (365 m)
  • Frequency and Coverage:
    • Narrow mode: 180-240 kHz / 25°
    • Wide mode: 140-200 kHz / 42°
    • Full mode: 150-220 kHz (adjustable) / 42°
  • Power Output: 1000 Watts (RMS)
  • Power Input: 10.8-20V DC
  • Power Draw: 1 Amp
  • GPS: Internal
  • Cartography: Humminbird Basemap
  • Routes, Waypoints, Tracks: 45; 2,750; 50 (20,000 points each)

Sonar and transducer

The transducer included with the HELIX 9 CHIRP GPS G3N is the XNT 9 HW T. This transducer has 20′ (6m) of cable, a transom mount, and integrates a temperature sensor. It’s basically a High CHIRP transducer and allows the usage of three frequency modes. These are Full Mode (150-220 kHz), Wide Mode (140-200 kHz), and Narrow Mode (180-240 kHz).

When using the Full Mode, the frequency interval is adjustable. The (150-220 kHz) is the default value, but you can select the full High CHIRP range between (140-240 kHz). The Wide Mode and Narrow Mode are fixed for their specified intervals.

The transducer uses conical beams for any CHIRP mode used. Their coverage is 42° if using Full Mode or Wide Mode, and 25° if using Narrow Mode. Also, the maximum depth capability for this transducer is 1,200 ft (365 m), when using Wide Mode.

The unit itself also supports 83 kHz and 50 kHz frequencies. Therefore, it can be paired with a 50 kHz capable transducer for Low CHIRP, or with an 83 kHz capable transducer for Medium CHIPR. With a Low CHIRP transducer, the system can scan depths up to 3,500 ft (1,066 m).

It’s important to mention here that this unit does not support Side Imaging or Down Imaging sonar technology. However, since it has Ethernet connectivity, it can be connected to a 360 Imaging transducer for a complete view around your boat.

The unit offers the full range of standard sonar features. Among them, we can count SwitchFire, Selective Fish ID, Circular Flasher, Real Time Sonar, Split Zoom, Bottom Lock, Depth Alarm, Fish Alarm, and more. A Temperature Graph function is also included. Plus, the unit has Sonar Recording and Sonar Rewind, but in order to use these, you will have to insert a data card into the unit.

GPS, charts, and other navigation features

The Humminbird HELIX 9 CHIRP GPS G3N is equipped with an internal GPS receiver. It can provide at least 5 position updates per second. It can use WAAS, EGNOS, and MSAS for enhanced fixes. It also has a GPS speed function so it can calculate the speed of your boat.

The unit comes preloaded with the Humminbird Basemap platform. These charts offer much more detail than the ContourXD charts preloaded into the older HELIX 9 GPS Combo. They are based on the NOAA official charts and offer coverage for both inland and offshore waters. As a general idea, these charts cover more than 10,000 U.S. lakes with 1′ depth contours and provide information with regards to docks, camping grounds, marinas, hotels, buoys, spot soundings, hazards, main roads, and more.

Of course, the unit supports charts from other manufacturers. For example, you can upgrade its internal chart base to Navionics+ or Navionics Platinum+. It also supports LakeMaster, LakeMaster Plus, and SmartStrike fishing charts.

Like all the other G3N units, the 410840-1 includes the AutoChart Live feature. This is a map creation application which uses the 2D sonar and the GPS data, similar to the Navionics’ SonarChart. Your Humminbird fish finder can reveal the depth contours of the lake you’re scanning and overlay them onto the map. Thus, if your current charts do not offer satisfying detail for your favorite lake, you can always create your own personalized map with the most recent contours, points of interest, fishing spots, etc.

The unit gives you the possibility to create routes and record your trails. It can save up to 45 routes and 50 tracks (with up to 20,000 points per track) in its memory. It can also save up to 2,750 waypoints for which you can personalize with a wide array of icons.

In terms of external navigation instruments, the unit can receive data from GPS heading sensors or AIS units. It also supports Radar and Minn Kota i-Pilot Link.

Control unit features

The HELIX 9 CHIRP GPS G3N is a 9-inch display unit with a 16-bit color display and a pixel matrix of 1024H x 600V. It has adjustable LED backlight for superior readability in direct sunlight and from sharp angles up to 85°. It’s also IPX7 waterproof, which essentially means it can withstand incidental water exposure.

The unit is keypad-controlled. It does not have touchscreen technology; the navigation through its menus and the selection of apps and functions is done exclusively from the buttons on the right. Its interface is highly intuitive and very easy to use, though.

The included mount is the classic Gimbal type. However, the option of an in-dash mounting kit is also available (not included).

This Humminbird HELIX unit is Ethernet and NMEA 2000 compatible. Thus, it can provide data from various other navigation instruments such as CHIRP Radar, AIS units, etc. Plus, it has wireless connectivity. It is compatible with the Bluetooth remote control RC2, so you can control it from distance. You can also sync it with your smartphone via the FishSmart app. This way, you can benefit from smart notifications from your phone on the unit’s display, download charts, get software updates and more.

As opposed to the HELIX 7 CHIRP GPS G3N, the 410840-1 has a dual microSD card reader. This being said, you can use a data microSD card and a Navionics card simultaneously, without having to continuously swap them.

The Pros

  • Dual Spectrum CHIRP sonar;
  • XNT 9 HW T transducer included;
  • Depth capability up to 1,200 ft with the included transducer;
  • Supports 50 kHz;
  • Multiple sonar functions available, such as RTS, Bottom Lock, Selective Fish ID+, Alarms, SwitchFire etc;
  • Sonar Recording and Screen Snapshot functions;
  • Precision internal GPS;
  • Humminbird Basemap chart platform built-in;
  • AutoChart Live included;
  • Supports Navionics+, Navionics Platinum, LakeMaster Plus, and SmartStrike charts;
  • Trackplotting, routes and waypoints functions;
  • 9″ display, 1024 x 600 resolution, 16-bit color display, with LED backlight, providing clear images, easy to read even in direct sunlight;
  • IPX7 waterproof;
  • NMEA 2000 and Ethernet capable;
  • Bluetooth connectivity;
  • Compatible with the FishSmart App and the RC2 Bluetooth remote control;
  • Supports 360 Imaging sonar;
  • Supports Radar and i-Pilot Link;
  • Supports AIS and GPS heading sensors;
  • Dual microSD card reader;
  • Gimbal mount included;
  • Fairly easy to install.

The Cons

  • The in-dash mounting kit is not included;
  • The unit cover is not included;
  • The transducer does not include a trolling motor mount.

Summary

The HELIX 9 CHIRP GPS G3N is a fish finder and chartplotter featuring Dual Spectrum CHIRP sonar, GPS, Humminbird Basemap, and AC Live. It includes the XNT 9 HW T transducer which comes with a transom mount. It is Ethernet and NMEA 2000 capable and thus it supports Radar, 360 Imaging and i-Pilot Link. It also has wireless connectivity and a dual microSD card reader. Although it does not have Side Imaging or Down Imaging, it’s a fairly decent unit, great for both freshwater and saltwater.

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