How to Read SonTek-RS5 LED Signals During Setup

April 25, 2025

Wondering what the LED lights on your SonTek RS5 ADCP are telling you?

In this quick walkthrough, SonTek Product Manager Ken Sim breaks down the RS5 and USB radio LED patterns—what they mean, when they appear, and how to use them to ensure a successful field connection.

These small indicators provide big insight into your system’s status during setup and communication. Watch and learn how to troubleshoot smarter and connect with confidence.

Learn more on the RS5 page!