How do I log in to access the course?

You can log in two ways: With your email (you’ll get a one-time password) Or with your Shop Pay credentials if you used Shop Pay at checkout Courses and settings guides will be viewed/downloaded on the Course Home page.

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

$39.99

Trusted by over 4,000 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 4,000 anglers!

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

Set up guides for Live Scope, Traditional sonar, Clear Vu and Side Vu are spot on and very easy to read and understand.

Jeff Sanders✓ 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

Set up guides for Live Scope, Traditional sonar, Clear Vu and Side Vu are spot on and very easy to read and understand.

Jeff Sanders✓ 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

Save More With Bundles

Sonar Mastery Video Courses (2D, Down & Side Imaging - Courses Only)

Save with the Sonar Mastery Video Bundle

This course + the other two imaging mastery videos.

From $89.99 $119.99

See the Bundle

Full Boat Bundle (FFS and 3-in-1 Settings Guides + Video Courses)

Have forward-facing sonar too?

The Full Boat Bundle covers FFS guides and video courses, too.

From $153.99 $219.99

See the Full Boat Bundle

2D Sonar Mastery Course – Beginner to Advanced Fishfinder Training

Name: 2D Sonar Mastery Video Course
Brand: Fishfinder Coach
Price: 39.99 USD
Availability: InStock

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.

What's Included?

Person using a smartphone with a fishing app on a boat at sunset

Getting Started with 2D Sonar

How the image is moving and being displayed, screen interpretation for beginners.

Understanding the Cone

See exactly how the sonar beam is being sent out from the transducer to understand fish, bait, and cover.

Spectral display on a screen with color-coded data

2D Sonar Settings

Exact settings aren't covered but see how to fine-tune your unit for maximum clarity and detail.

Person wearing a cap with a display showing cone angles for different frequencies.

2D Sonar Frequencies Explained

The difference between low, medium, high, and CHIRP frequencies and when to use each.

Sonar screen with underwater view and submarine, surrounded by trees

2D Sonar Boat Speed & Chart Speed

Learn to match your speed to sonar scroll for accurate readings.

2d sonar image of baitfish and white bass.

Identifying Fish & Structure on 2D Sonar

Learn to recognize fish as arches, separate bait from gamefish, and pinpoint brush, timber, and bottom hardness.

Compatible with

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

Frequently Asked Questions

All courses are viewed directly on the site on the Course Home page.

You can log in two ways:

With your email (you’ll get a one-time password)
Or with your Shop Pay credentials if you used Shop Pay at checkout

Courses and settings guides will be viewed/downloaded on the Course Home page.

No, once you purchase a course, you have lifetime access.

Yes! The courses are designed with beginners in mind. It walks you through everything you need to confidently use your electronics.

Video courses are universal—not tied to a fishfinder brand, model, or transducer. They teach how to read and use each sonar type, and the same interpretation principles apply across brands. The courses cover general settings and what those settings change, but they do not provide exact transducer-specific settings.

PDF Settings Guides are matched to the transducer installed on your boat. They provide the exact settings or recommended ranges for that specific transducer.

We recommend the relevant bundle because it gives you both: the universal video course for reading and using sonar, and the transducer-specific PDF Settings Guide for exact settings.

Check out our bundles here for total mastery at a reduced price.

2D Sonar Mastery Video Course