2D sonar screenshot showing fish outlined in blue and red on a white background with 2D SONAR MASTERY COURSE text
Bass angler on Minn Kota-equipped boat with rod bent, winter timber in background
2D sonar screen showing brush piles, bait columns, and fish arches with hard bottom returns in yellow
2D sonar screenshot showing fish outlined in blue and red on a white background with 2D SONAR MASTERY COURSE text
Bass angler on Minn Kota-equipped boat with rod bent, winter timber in background
2D sonar screen showing brush piles, bait columns, and fish arches with hard bottom returns in yellow

2D Sonar Mastery Video Course

$39.99
/
  • Trusted by over 5,000 anglers
  • Universal 2D sonar instruction across brands
  • Learn to read fish arches, bait balls, and structure
  • Learn from clear, step-by-step videos
  • Instant Video Access
  • Buy Once, lifetime updates included

Our video courses are universal and will work with any brand. If you want exact settings for your transducer too, check out our bundles.

Trusted by over 5,000 anglers

Across 12 countries

If you want to be better equipped to use your high dollar fish finder it is highly recommended that you let this man share his knowledge with…
Phillip Newcomb✓ Verified buyer
What a difference using this tutorial to clear up some of the issues I was having with my sonar units. I highly recommend using the program.
Chuck Blocker✓ Verified buyer
The instructions were clear and very easy to follow. It really helped me to understand the settings and what they do. I highly recommend it.
Robert Swann✓ Verified buyer
I got both and loved both great details and easy to understand! Great people to work with they answered every time quickly! Awesome thanks.
Danny Phillips✓ Verified buyer
Being frustrated with my electronics I turned to Fishfinder coach for very clear explanations of the screens and settings. Very helpful.
Jim Murray✓ Verified buyer
I was confused on how to down load and use. To my surprise I received a call and was walked through step by step great customer service.
James Lynch✓ Verified buyer
Helped me with my settings and fish ID. The very first time out after the vids I caught more fish.
Denis Hussin✓ Verified buyer
If you want to be better equipped to use your high dollar fish finder it is highly recommended that you let this man share his knowledge with…
Phillip Newcomb✓ Verified buyer
What a difference using this tutorial to clear up some of the issues I was having with my sonar units. I highly recommend using the program.
Chuck Blocker✓ Verified buyer
The instructions were clear and very easy to follow. It really helped me to understand the settings and what they do. I highly recommend it.
Robert Swann✓ Verified buyer
I got both and loved both great details and easy to understand! Great people to work with they answered every time quickly! Awesome thanks.
Danny Phillips✓ Verified buyer
Being frustrated with my electronics I turned to Fishfinder coach for very clear explanations of the screens and settings. Very helpful.
Jim Murray✓ Verified buyer
I was confused on how to down load and use. To my surprise I received a call and was walked through step by step great customer service.
James Lynch✓ Verified buyer
Helped me with my settings and fish ID. The very first time out after the vids I caught more fish.
Denis Hussin✓ Verified buyer

What’s Included?

2D sonar screenshot showing fish outlined in blue and red on a white background with 2D SONAR MASTERY COURSE text

2D Sonar Course

Universal video course · 11 videos · 81 minutes

View lessons
Overview and sonar coverage
  • Overview
  • When To Use 2D Sonar
  • Understand The Cone
General settings
  • Choosing Frequencies
  • Selecting Color Palettes
  • Setting Chart Speed
  • Setting Sensitivity
  • Setting Contrast
Reading fish and on-the-water examples
  • Fish Are Arches
  • On The Water

2D Sonar Mastery Course – Beginner to Advanced Fishfinder Training

Unlock the full power of your fishfinder with the 2D Sonar Mastery Course, a complete training program designed to take you from beginner basics to advanced on-the-water application. Whether you’re new to sonar or looking to sharpen your skills, this course gives you the knowledge and confidence to read your screen like a pro and catch more fish.

Universal Across Brands: This course teaches how to read and use 2D sonar. It is not specific to a fishfinder brand, model, or transducer—the same 2D sonar interpretation principles apply across Garmin, Humminbird, Lowrance, and other brands. The course explains general settings and what they change, but not exact transducer-specific settings. For exact settings matched to the transducer on your boat, use a PDF Settings Guide. We recommend the 3-in-1 Sonar Bundle for both the universal courses and the transducer-specific guide.

What You’ll Learn

This step-by-step course covers everything you need to know about 2D sonar, including:

  • Getting Started – core settings, transducer setup, and screen interpretation for beginners.

  • Sonar Sensitivity & Contrast – how to fine-tune your fishfinder for maximum clarity and detail.

  • Frequencies Explained – the difference between low, medium, high, and 1000+ kHz for range, detail, and coverage.

  • Identifying Fish & Structure – learn to recognize fish as arches or dots, separate bait from gamefish, and pinpoint brush, timber, and bottom hardness.

  • Boat Speed & Chart Speed – matching your speed to sonar scroll for accurate readings.

  • Advanced Techniques – spotting thermoclines, interpreting subtle signals, and maximizing your fishfinder in different conditions.

Who This Course Is For

  • Beginners who want a clear, easy-to-follow introduction to 2D sonar.

  • Experienced anglers who want to move beyond guessing at their screens and start making sonar-driven decisions.

  • Tournament fishermen and serious weekend anglers looking for an edge in finding and catching fish faster.

Why Choose This Course

Unlike scattered YouTube clips or vague manuals, the 2D Sonar Mastery Course delivers a structured, start-to-finish system for learning sonar. Each module builds on the last, with real on-the-water examples, detailed screen recordings, and clear explanations that work for Garmin, Humminbird, and Lowrance units.

By the end of this course, you’ll be able to:

  • Confidently adjust your sonar settings for any condition.

  • Accurately identify fish, bait, and bottom composition.

  • Apply advanced 2D sonar knowledge to put more fish in the boat.

Common Questions

Yes. This course is universal by sonar type and teaches you how to read and use 2D sonar across fishfinder brands, models, and transducers. It covers general settings and what they change, not the recommended settings for one specific transducer. Those are in the transducer-specific PDF Settings Guides.

The current 2D Sonar Mastery Video Course follows these lesson groups:

  • Overview and sonar coverage: Overview, When To Use 2D Sonar, Understand The Cone
  • General settings: Choosing Frequencies, Selecting Color Palettes, Setting Chart Speed, Setting Sensitivity, Setting Contrast
  • Reading fish and on-the-water examples: Fish Are Arches, On The Water

Yes. The course starts with the fundamentals for its sonar type, then moves through general settings, reading the image, and on-the-water examples in the lesson order.

The course covers the general 2D sonar settings in its lesson list and explains what they change. It does not provide exact settings for every transducer. A transducer-specific PDF is included only when the purchase option you select explicitly says it includes one.

YouTube can be useful for individual questions. This course keeps the complete lesson sequence for one sonar type together, from setup and general settings through reading the image and using it on the water.

ChatGPT can help explain sonar terms and answer questions. This course teaches its sonar type through an ordered lesson sequence using screen recordings, actual sonar screens, and on-the-water videos.

The current course has 11 videos and runs 81 minutes.

The course is watched on the Course Home page. Log in with the email used at checkout to receive a one-time password, or use the same Shop Pay account if you checked out with Shop Pay.

Yes. Course Home is a website, so you can watch in a current web browser on a phone, tablet, or computer while you are signed in.

Yes. The current course access policy says purchased courses do not expire. Return to Course Home with the same customer account to rewatch the lessons.

Compatible with

Product image with a white background
Logo of a yellow flower with a red center on a white background
LOWRANCE logo on a white background
SIMRAD logo on a red background
Raymarine logo on a red background
Furuno logo on a white background

Universal 2D sonar instruction across brands

I’ve spent years on the water rigorously testing 2D Sonar transducers across various units and bodies of water, all to deliver the most effective tips for reading and using your setup.

Written About In

Excellent Material

I’ve bought several programs from Hugh, and he always does an amazing job showing how to use electronics in a way that’s easy to understand. He’s quick to respond to any questions on his website and truly cares about helping people. Hugh is one of the kindest and most honest people I’ve ever met—always patient and hands-on. I highly recommend anything Hugh offers. So much money gets spent on equipment that’s hard to figure out, but Hugh explains everything clearly and makes learning enjoyable. You can tell he really loves what he does and wants others to feel confident using their devices.

Frankie Huggins
Verified Customer
See More Reviews From Real People
Image showing a Humminbird Helix 10 and a Lowrance HDS 12 Live sitting together on a bass boat driver's console.

Everything from A-Z for 2D Sonar

This course consists of 11 videos covering 80 minutes in total with written overviews to help you master your 2D Sonar. This universal video course will be great for fishfinders of any brand like: Lowrance, Garmin, Humminbird, Simrad, Raymarine, and more. 

Instant Video Course Access

As soon as you check out, you’ll have instant, lifetime access to the video courses in the bundle. These universal courses teach how to read and use sonar across fishfinder brands, models, and transducers. The PDF Settings Guides provide the exact settings for your selected transducers. Navigate to the Course Home page to start learning right away.

Why not just learn it on Youtube?

Comprehensive and Structured Learning

Unlike YouTube, where information is scattered across various videos and channels, your course compiles everything in one place. The content is meticulously organized to provide a step-by-step learning experience, ensuring you don't miss any crucial information.

Expertise from a Professional

My livelihood depends on my expertise in fishfinders. I am on the water every day, constantly learning and refining my skills. Unlike many YouTube "experts," I have real-world experience and a proven track record in professional tournament fishing and guiding.

Reliable and Up-to-Date Information

YouTube content can quickly become outdated. Your course is regularly updated with the latest techniques and tips, ensuring that learners always have access to current information.

Garmin GPS device on a stand with a blurred outdoor background

AN INVESTMENT

2D Sonar Setup = $1200 +

Why spend thousands on equipment and not have it performing its best? Our Video Course will maximize your 2D Sonar's capabilities.

If You're Skeptical, Read This First

If your electronics were dialed in and you were happy with what you’re seeing, you wouldn’t still be searching for answers.

I know how this goes. You’ve already:

1) Spent serious money on your fishfinder

2) Tried tweaking settings but you’re still not confident

3) Watched YouTube after YouTube and every “expert” says something different

4) Seen perfect demo screenshots online but your screen doesn’t look like that on the water

That’s exactly why Fishfinder Coach exists.

I’m on the water every week, guiding and testing on Garmin, Lowrance, and Humminbird units in real conditions, not factory defaults.

If you're skeptical, good. You should be.
Just know this, every single review on this site came from someone who felt exactly like you do right now.

When your screen finally makes sense, that skepticism turns into confidence real quick.

See Real Results From Other Anglers

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