Down Imaging Mastery Course – Beginner to Advanced
Take your sonar skills to the next level with the Down Imaging Mastery Course, a complete guide to using down imaging on your fishfinder with confidence. This course walks you step-by-step through the fundamentals and advanced applications of down imaging so you can clearly see fish, bait, and structure directly beneath your boat.
What You’ll Learn
Inside the course, you’ll master:
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Down Imaging Basics – how it differs from 2D sonar and why it provides a clearer picture of what’s below.
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Sensitivity & Contrast – fine-tuning your settings for the sharpest images.
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Frequency Selection – when to use 455, 800, or 1000+ kHz for detail, coverage, and depth.
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Interpreting Fish & Structure – spotting fish as dots, separating them from brush piles, timber, and rocks.
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Understanding the Beam – why objects look the way they do on screen based on cone angle and coverage.
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Boat Speed & Chart Speed – syncing speed with scroll for accurate imaging.
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Advanced Applications – using down imaging to find bottom hardness.
Who This Course Is For
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Anglers who want a clearer, more detailed view of what’s beneath their boat.
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Beginners who need a structured introduction to down imaging.
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Experienced fishermen looking to interpret their screens with more accuracy.
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Tournament anglers seeking every advantage in locating fish and structure.
Why Take This Course
Down imaging is one of the most powerful tools on modern fishfinders, but only if you know how to use it. This course cuts through the guesswork with real screen recordings, on-the-water instruction, and detailed breakdownsdesigned for Humminbird, Lowrance, and Garmin units.
By the end, you’ll be able to:
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Confidently identify fish and structure on down imaging.
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Adjust your unit for the best possible clarity in any condition.
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Apply advanced down imaging techniques to catch more fish.
beginner to advanced
Unlock the Full Potential of your Down Imaging
This complete training program is 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.
This is a universal course so exact settings are NOT covered. Click here to pair this with your settings guide for complete mastery.
60 minutes
Everything from A-Z for Down Imaging
This course consists of 11 videos with written overviews to help you master your sonar. This universal video course will be great for fishfinders of any brand like: Lowrance, Garmin, Humminbird, Simrad, Raymarine, and more.
an investment
Average Fishfinder Costs $1000+
Why spend thousands on equipment that isn't reaching its capabilities. Our Down Imaging Video Course will make your investment work for you.
What You'll Learn
Getting Started
How the image is moving and being displayed, screen interpretation for beginners.
Understanding the Beam
See exactly how the sonar beam is being sent out from the transducer to understand fish, bait, and cover.
Down Imaging Settings
Exact settings aren't covered but see how to fine-tune your unit for maximum clarity and detail.
Frequencies Explained
The difference between low, medium, high, and CHIRP frequencies and when to use each.
Identifying Fish & Structure
Learn to recognize fish as arches or dots, separate bait from gamefish, and pinpoint brush, timber, and bottom hardness.
Excellent Material
See More Reviews From Real PeopleI’ve spent way too many evenings searching YouTube trying to piece together how to read and set up down imaging, but everything online is either super basic or it doesn't work on my unit. This course saved me a ton of time by having everything in one place and laid out clearly.
The on-the-water video helped the most, seeing real returns and hearing what to look for while the boat is moving made it finally click.
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:
- Spent serious money on your fishfinder
- Tried tweaking settings but you’re still not confident
- Watched YouTube after YouTube and every “expert” says something different
- 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.
How to Watch This Course
Once you check out, log into your account using the same email you used at checkout.
The course will be available to watch directly on the website, no downloads needed.
Follow the full step-by-step guide here:
How to View Courses
Frequently Asked Questions
Don't see your question answered? Let us know at the bottom of the page.
Video Courses
These courses are viewed on the website.
All courses are viewed directly on the site.
Follow the step-by-step video here: How to View Courses
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
No — once you purchase a course, you have lifetime access.
PDF Settings Guide
How do I receive my settings guide?
You’ll get it in three ways:
- On the Thank You page after checkout
- In a follow-up email
- From your account dashboard when you log in
If you download it to your iPhone, it will show up in the "Files" app.
They are downloadable PDFs that show you exactly how to set up your fishfinder for the clearest, most effective sonar image possible — tailored for your specific brand and model.
Yes — as long as you use the same email you checked out with, your files will always be available in your account.
Absolutely. You can print the PDF at home for quick reference on the boat.
No— if you purchase the manual, you’ll already get the settings guide as part of it.
If you just want the settings section and not all the extra content, you can purchase thesettings guide by itself.
When you download a file on an iPhone, it usually saves to your Files app, not your Photos or Safari.
Here’s how to find it:
- Open the Files app
- Tap “Browse” at the bottom
- Go to “Downloads” or tap “Recents”
- Your PDF should be there and can be opened, saved, or shared from that location
Tip: You can also use the search bar in the Files app to look for the name of the file (e.g., “Humminbird Settings Guide”).
