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Simrad releases free software update for NSO, NSS and GO Series displays

by Andrew Golden 24 Jan 06:24 UTC
Active Imaging SideScan © Simrad

A new software update for Simrad® NSO, NSS and GO series displays has been released that provides new sonar functionality, sonar enhancements and other improvements to the user interface that make Simrad multifunction displays even easier to use.

The 18.3 update includes support for high-resolution Active Imaging, StructureScan® 3D with Active Imaging enhancements, Dual Mode WiFi (NSO and NSS only) and significant improvements to the user interface, including dedicated sonar pages for easier access to each sonar type.

Active Imaging

Perfect for pinpointing fish-holding areas like rockpiles, wrecks, bridge pilings, ditches and drop-offs, high-resolution Active Imaging (NSS evo3/evo2, GO series and SonarHub only) allows anglers to see structure and cover in extreme high-resolution detail, at a greater distance than any other structure imaging technology. The 18.3 software update enables support for both Active Imaging 3-in-1 (CHIRP sonar | SideScan | DownScan Imaging) and 2-in-1 (SideScan | DownScan Imaging) transducers.

StructureScan 3D with Active Imaging enhancements

Anglers will have an easier time pinpointing prime fishing areas with higher-resolution, three-dimensional views of structure and cover included with the Active Imaging enhancements for StructureScan 3D (NSO evo3/evo2, NSS evo3/evo2 only). Enhancements include a cleaner water column with less noise, refreshed color palettes and improved sonar processing to deliver the maximum amount of detail; plus a new depth-highlighting feature that colors the user-selected upper- and lower-depth limit area to help anglers better isolate specific structure and bottom depth.

Quick and easy access to Sonar

Anglers will get quicker, one-touch access to all of their sonar via a simplified NSO, NSS and GO series interface, featuring dedicated sonar pages for Echo, SideScan, DownScan Imaging and StructureScan 3D. New custom split-screen panel configurations are also available that allow anglers greater control over the display of splitscreen panels the perfect way to showcase the new Simrad capability to display SideScan, DownScan Imaging and StructureScan 3D on the same screen, at the same time.

Dual Mode WiFi

With Dual Mode WiFi, you can maintain a WiFi connection to your NSO evo3 or NSS evo3 and still use it as an access point for screen mirroring/remote control from a smartphone or tablet via the Link app. Prior to the 18.3 software upgrade, NSO and NSS displays could only perform one of the tasks at a time connecting to the internet or serving as an access point for screen mirroring/remote control. Dual Mode WiFi will be added to GO series displays in an upcoming software release.

Enhanced Amplitude Scope

Amplitude Scope enhancements for NSO evo3/evo2 and NSS evo3/evo2 displays integrate advanced sonar data into the scope, including new onscreen indicators for the location of the bottom and gain level, plus the option to display the scope horizontally across the screen.

This real-time analysis illustrates the strength of fish returns, their position, and the noise in the water column, giving users finer gain control and a greater capacity to tune the sonar display to maximize target detection. The horizontal mode allows further expansion of this detail over a larger area.

General improvements

The software upgrade includes HALO24 radar support for NSO evo2 displays, in addition to smartphone notifications for NSO evo3.

"We are excited to bring these new features and enhancements to our customers," said Leif Ottosson, Navico CEO and President. "The upgrades we have made to NSS, NSO and GO series displays will help our customers make the most of their time on the water."

For more information on the Simrad NOS 18.3 software update visit

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