Understanding Sonar

Authentic Lowrance ActiveTarget 2 XL transducer, ActiveTarget 2 module and HDS display beside Less Clutter, Keep Detail, with Lowrance and Sonar Shield logos.

ActiveTarget 2 XL Settings: Range, Contrast and Noise Rejection

ActiveTarget 2 XL
Authentic Humminbird MEGA Live 2 transducer and manufacturer logo beside No Connection? Power up, Wait, Connect, with the Sonar Shield publisher logo.

MEGA Live 2 Not Connecting? Check the Restart Timing

Fish Finder Troubleshooting
Two real white Sonar Shield visors fitted to Garmin fish finders on a kayak, with Fish Finder Glare and Angle, Shade, Brightness lettering.

Fish Finder Screen Glare: Check Angle, Shade and Brightness

fish finder visors
Official Humminbird MEGA Live 2 transducer photo beside mount-reference values: original MEGA Live 10 degrees per click and MEGA Live 2 7.5 degrees per click.

MEGA Live Modes and Mount Angles: First Generation vs. MEGA Live 2

Fish finder setup
Official Vexilar Vision X10 display and transducer photograph with Vexilar logo and the headline Ready before you go: updates and offline maps.

Vexilar Vision X10: Prepare Software Updates and Offline Maps Before Your Trip

Fish finder setup
Sonar Shield kayak photograph with bold blue and white text: Match your model before you choose protection.

Choosing Sonar Protection: Match the Exact Model Before You Buy

fish finder visors
Editorial typography asking Skipping the crowd? with a Lee Livesay Toledo Bend 2024 retrospective label; no angler photograph.

Lee Livesay’s Toledo Bend Lesson: Test an Area Before Avoiding the Crowd

Angler Features
ActiveTarget and Simrad educational graphic explaining the update filename exception for NSX, NSS 4 and NSO 4.

ActiveTarget Updates on Simrad: When the File Needs an .auto Name

Lowrance
MEGA Live 2 settings graphic with Balanced, Sensitivity 10 and Contrast 10 on a dark navy background.

MEGA Live 2 Settings: Balanced, High or Low Dynamic Contrast?

Humminbird
Boat bow with covered marine electronics and stowed trolling motor beside the words Room to move.

Transducer Cable Clearance: Give Your Sonar Setup Room to Move

Sonar Installation

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