Simrad NSO evo3S Software - 26.1

Simrad NSO evo3S Software - 26.1

Release Date: 18 February 2026

Version: 26.1-72.1.28

We are pleased to announce new software for the NSS® evo3 and evo3S family of multi-function displays. This bulletin outlines the great new features, fixes, and improvements of this software release. The software is available for download from Simrad-Yachting.com website or by over-the-air update when the display is connected to the internet.

 

ActiveTarget® 2 XL Support

New with the 26.1 software update is support for the all-new ActiveTarget® 2 XL System.

 

ActiveTarget® Beam Indicator Icon Accuracy Improvements

For optimal ActiveTarget® Beam Indicator Icon accuracy, the MFD must be connected to a NMEA2000 network that includes a Heading Sensor.

 

Airmar® Chirp Improvements

Sensitivity and target return strength improvements when using Airmar® High-Wide and Medium chirp transducers.

 

Support for SideScan and DownScan imaging functionality when using the StructureScan® 3D module with Simrad NSX® and NSS4® systems

Simrad NSX® and NSS4® systems can now use StructureScan® 3D module as a sonar source for SideScan and DownScan Imaging™. Simrad NSX® and NSS4® displays must be updated to the latest 2.3 software. The StructureScan® 3D sonar module must be updated to this new 26.1 software using one of the following devices: NSO® Evo2, NSS® Evo3/3S, NSO® Evo3/3S, NSS® Evo2.

 

Other Fixes and Improvements

  • Fixed a bug where user is asked to select chart source on every reboot when there are multiple C-MAP® charts on the same SD card. New chart cards come with purchased area and ENC version prompting the message.
  • Fixed an issue where ActiveTarget® could automatically change range while manual depth range was applied.
  • Release notes of applicable updates will be shown in the software updates screen. Connect the unit to the Internet (Settings > About > Check for updates)