This article lists announcements related to the Signature for 2026. It is updated throughout the year whenever new firmware or other important information is released, making it easy to stay informed about updates for your instrument.
Release notes
For a full overview of new features and fixes related to new firmware and software releases, please refer to the release notes. For firmware the release notes can be found on the software and firmware download page together with the firmware. Software release notes can be found under the Help tab within the software.
May
| 11.05.26 | A new version of the Signature Deployment (v4.7.35) is released: software webpage / Microsoft Store |
| 17.05.26 | The Echosounder license is now available for the Signature 250 in addition to Signature 1000, 500, and 100. For more information please contact your local Nortek sales representative. |
| 21.05.26 | A new version of the Signature Deployment (v4.7.36) is released: software webpage / Microsoft Store |
April
| 13.04.26 |
A new version of the Signature Deployment (v4.7.29) is released: software webpage / Microsoft Store Observation of Infragravity waves is now supported for the Signature 1000 and Signature 500. Please see this article: How can I measure Infragravity waves with my Signature? for further details on the configuration of the instrument as well as data processing. 3D calibration is now supported in the software. For details about compass calibration, please refer to our article Compass calibration |
| 15.04.2026 |
A new firmware version has been released (2217_7): Nortek | Nortek Software 💡Update required! All users are recommended to update to the latest firmware version to ensure optimal performance. For some instruments, a 3D calibration will be required after the firmware update to ensure correct heading and direction measurements. The latest version of Nortek Deployment software will indicate if this applies to your instrument. If your are unsure or require assistance, please contact your Nortek representative or support team. |
March
| 05.03.26 | A new version of the Integrators guide is released: Integrators Guide |
January
| 28.01.26 | A new version of the Signature Deployment (v4.7.20) is released: software webpage / Microsoft Store |
Updated