Humminbird is the most prominent and widely used brand of fish finder around the world. Here’s the review of Humminbird 409850-1 Helix 7 SI With GPS Fish Finder.

We’re presenting you with different classes of fish finders featuring different specifications.

These are meeting all the basic demands of the user groups.

One of the popular models from the Humminbird brand is Humminbird 409850-1 Helix 7 SI GPS Fishfinder.

It comes up chock full of alluring features like an extra-large screen, better viewing area, clarity of imaging with SwitchFire Sonar technology, extremely strong GPS technologies, and so on.

BrandHumminbird
Model NameHumminbird – Helix 7 – Si GPS
Power SourceAC/DC
Screen Size7 Inches
Display TypeWVGA

Moreover, this model can provide the best services regarding down imaging, side imaging, underwater exploring. So, it’s time to have a complete follow-up on this amazing device.

Humminbird 409850-1 Helix 7 SI

  • Side Imaging, Down Imaging, and Dual Beam Plus included
  • 7” HD color screen
  • 100ft SI range 1500ft depth capability
  • Internal precision GPS
  • 480 x 800 pixel resolution

Here, in this article, you will get the complete ins and outs of Humminbird 409850-1 Helix 7 SI GPS and Fish Finder.

If you are the beginner one and still overthinking the issue of which one to choose from so many options of fish finders are available in the market then you can also make a try with this Fish Finder.

So, don’t waste your time. Go through the article, and make yourself learned why this model is highly recommended for your uses.

Whom is this product designed for?

Humminbird 409850-1 Helix 7 SI GPS is a very famous model of fish finder for professional fishermen. This model is also a useful one to the seasonal ones. Let’s have a check on the list.

  • Professional fishermen
  • Pastime lovers
  • Fishing loving people
  • Official chefs or cooks
  • Seasonal fishers
  • Restaurant owners
  • Amateur learners

Pros

  • Ultra-large screen.
  • Protective anti-glare bonded glass formed display.
  • Faster operation of the fish finder.
  • In-built transom transducer with a temperature probe.

Cons

  • You need to purchase the mapping software separately for this unit.
  • Not connectable to other Humminbird products.

Some Key Features

Before going for the details, first, let’s get some knowledge about the basic features of this exclusive model.

It comes with all the traditional features of a successful fishing unit like the built-in GPS with Sonar features, chart plotting options to explore the down water along with some very own exclusive functions of this model.

Humminbird 409850-1 Helix 7 SI

  • Side Imaging, Down Imaging, and Dual Beam Plus included
  • 7” HD color screen
  • 100ft SI range 1500ft depth capability
  • Internal precision GPS
  • 480 x 800 pixel resolution

Let’s scroll down and get a bit details of such an amazing unit.

You are surely going to love all of them.

Better Imaging

Humminbird 409850-1 Helix 7 SI GPS Fish Finder is capable to provide you the best combo of both the side imaging and also the down imaging.

This combo is one of the biggest reasons for picking this unit from multiple choices.

You can apply this tool as an angler and also as the fish or depth finder to explore what is happening beneath your boat underwater.

The users can have the view of the side imaging up to 100 feet of depth and the down imaging option features the depth range up to 600 feet.

Moreover, you can also extend these ranges from their standard value up to around 1500 feet by using a simple XD transducer.

Thus, Humminbird Helix 7 SI GPS can ensure the biggest exploration range in the water for its users.

This unit has the standard RMS output power of 500 Watt.

It also ensures to provide the best and clear most images possible while fishing with relatively smaller noise and within a very limited budget.

Excellent Side Imaging

Humminbird 409850-1 Helix 7 SI GPS Fish Finder comes up with an amazing side-to-side imaging process extended up to 180 degrees and provides you the greater chances of exploring what is happing below the water surface beneath your boat.

It works with a side-imaging sonar which offers a frequency of 455 kHz.

The images presented by this feature are of a monochromatic type and three-dimensional in nature.

So you can get the detailed information.

Moreover, this function offers two different side beams, where each one covered angles up to 84 degrees and a depth of around 240 feet on each of the sides.

Thus, the area up to 480 feet will be under your supervision with this feature.

It’s possible to magnify some specific regions for your convenience with this feature.

You can also mark some regions to show them up on the digital screen.

You will not get such quality of side imaging while fishing with any other fish finders.

Strong GPS

Humminbird 409850-1 Helix 7 SI GPS provides built-in GPS features to its customers.

It is equipped with an internal precise GPS antenna along with the receiver.

You can track all the routes, locations, hotspots, waypoints, and so on with this amazingly powerful GPS.

The users can be able to store up to 2500 waypoints along with around 45 different routes with this precise GPS feature.

You will also get an additional track plotting function being available with this device. Using this feature, you will be able to save up to 50 additional tracks and about 2000 numbers of waypoints.

If you intend to know the speed of your boat, you can even find out the info with the use of the GPS function of the Humminbird Helix 7 SI GPS Fish Finder.

Smooth Down Imaging

Apart from the amazing side imaging feature of this device, Humminbird Fish Finder also provides a smooth-down imaging option.

This device uses a thin beam that is fan-shaped and razor-thin with a frequency of 455 kHz.

When these thin-shaped beams hit any object down the water, they immediately return to the XNT 9 SI 180 T type of transducer and thus produce the ultra-bright images of the down water.

Humminbird 409850-1 Helix 7 SI

  • Side Imaging, Down Imaging, and Dual Beam Plus included
  • 7” HD color screen
  • 100ft SI range 1500ft depth capability
  • Internal precision GPS
  • 480 x 800 pixel resolution

The images formed by this option are three-dimensional as well and also monochromatic in nature like the side imaging option of this device.

These images can carry the vegetations, location of the fishes, structure of the down surfaces, etc. You can get the view up to 600 feet while using this feature, but you can also upgrade the depth range as well.

You can upgrade the range even up to 1500 feet.

SwitchFire Sonar

Humminbird 409850-1 Helix 7 SI GPS Fish Finder also provides the SwitchFire Sonar option to its customers.

This function can operate with both the 83 kHz frequencies and 200 kHz frequencies.

These beams of different leveled frequencies produce two-dimensional and multi-colored images presented at the display.

You will get some additional information like the depth of the watery regions, water temperature, etc. in the display.

There are two modes available with this device-clear mode and the max mode.

When you will use the clear mode, you will be able to get the images free from noise.

Thus, this model is perfect for fishing in the shallower regions.

On the contrary, you will get a glimpse of water currents while using the max mode option of the SwitchFire Sonar feature.

Bonded glass formed display

The display of Humminbird 409850-1 Helix 7 SI GPS Fish Finder is surely one of the best you have ever experienced so far.

It has a display bonded with a glass cover.

This additional feature of the display ensures better protection for the users’ eye and let them have a clearer view without any eye pain or strain.

Moreover, you can also use this unit even in the direct sunlight as your view won’t get hampered because of the bonded glass cover.

The screen is also of landscape design and you can get the full benefits of the split-screen imaging option.

Ultra large screen display

Humminbird 409850-1 Helix 7 SI GPS Fish Finder comes with an amazingly large and wider LED screen with an aspect ratio of 16:9.

The screen resolution is 800 X 480 pixels and 256 colors are available on the screen.

A LED backlight is also available with this display for providing nighttime services to its users.

Humminbird 409850-1 Helix 7 SI

  • Side Imaging, Down Imaging, and Dual Beam Plus included
  • 7” HD color screen
  • 100ft SI range 1500ft depth capability
  • Internal precision GPS
  • 480 x 800 pixel resolution

The users can enjoy a greater viewing area due to the ultra-large screen of this device and get more detailed and more defined images of the bottom surface.

Selective FishID+ Sonar Features

Another useful and exclusive feature of Humminbird 409850-1 Helix 7 SI GPS Fish Finder is its selective FishID+ sonar features.

This option uses the SwitchFire Sonar beam or the Dual Beam Sonar features of different frequencies and detects the fishes from different positions of the bottom surface.

Then it provides a fish-like sign to the returned sonar beam to the device.

Thus you can easily locate the fish’s exact and accurate positions while it’s flying and thus can be able to catch them up easily during your fishing time.

UniMap Cartography

UniMap Cartography is a traditional feature that almost comes up with all the running models from Humminbird.

Humminbird 409850-1 Helix 7 SI GPS Fish Finder is also equipped with this function.

This function uses GPS and provides the more detailed mapping of more waypoints and hotspots.

This technology covers all the coastal lines of the USA border and also all the inland lakes within the border as well.

It uses 30 meters per pixel rate of mapping for the chart plotting features.

Bird’s Eye View function

Another exclusive option that you will get while using the Humminbird 409850-1 Helix 7 SI GPS Fish Finder is its Bird’s Eye View technology.

It is actually operated by a strong GPS system and provides three-dimensional views of your current location.

You can also set your viewpoint both the below surface of your boat and also to the above of your exact position as well.

Thus, you can enhance the chances of getting more clarity in your view and makes sure about great navigation as well.

Transom transducer mounting body

Last but not the least feature of Humminbird 409850-1 Helix 7 SI GPS Fish Finder is its transom transducer mounted body. The model is XNT 9 SI 180 T.

It operates with any frequencies like 83, 200, or 455 kHz ranges.

There is a built-in temperature probe that comes along with this transducer. It helps to detect the temperature of the water surface.

Humminbird 409850-1 Helix 7 SI

  • Side Imaging, Down Imaging, and Dual Beam Plus included
  • 7” HD color screen
  • 100ft SI range 1500ft depth capability
  • Internal precision GPS
  • 480 x 800 pixel resolution

It also presents the data on the screen. Sometimes you might need to know the water temperature for making yourself sure about the exact position of the fishes’ species, vegetation, hotspots, and so on.

This feature will help you in that state.

FAQs

Will I get some additional information like boat speed or water temperature while using this unit?

Yes, you will. Humminbird 409850-1 Helix 7 SI GPS Fish Finder provides additional info on boat speed, depth range, water temperature. Additionally, a lot more staff for making the task more convenient to its users.

Will this unit be suitable for fishing in the shallower water regions?

Yes, surely this unit will be. Humminbird 409850-1 Helix 7 SI GPS Fish Finder provides the best noise-free service. This is one of the best options for fishing in the shallower water regions apart from the deeper ones.

Will this unit come with any other additional tools along with it?

Yes, it will. You will get the Helix 7 series unit cover and RAM mount along with this unit while purchasing.

Conclusion

If you are looking for any mid-ranged fish finder you can surely pick this Fish Finder without any single hesitation.

This unit is one of the most effective and budget-friendly options. Enjoy your fishing time to its fullest with Humminbird 409850-1 Helix 7 SI GPS Fish Finder.

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Welcome to FishFinder Review. Here at we will be examining a variety of popular fish finders, depth finders, GPS, and chartplotters.

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