User guide

A complete guide on how to use all of the features of your device.

  • Firmware History

    The supported firmware version of each product differs by manufactured date.
    Check if your device has the latest version with Sena Device Manager or Sena Apps.


    v 1.0.5
    May 29, 2024

    • Officially change the device’s name from NAUTITALK Bosun to NAUTITALK BOSUN
    • Modified scanning for nearby devices when Mesh Reach-Out is not in use
    • Modified charging related temperature settings
    • Minor bug fix with making phone calls while using Mesh Intercom
    • Minor bug fix with the ringtone for incoming phone calls when Mesh Intercom is enabled
    • Minor bug fix with not hearing the ringtone for incoming phone calls while using Mesh Intercom
    • Minor bug fix with charging related settings after performing a firmware update Over-The-Air (OTA)
    • Minor bug fix with removing a popping noise that would occur when Mesh Intercom is turned on and off repeatedly
    • Minor bug fix with the device powering off abnormally
    • Minor bug fix with the voice prompts in Finnish

    v 1.0.3
    September 28, 2023

    • Removed the words “Open Mesh” when Mesh Intercom is powered on
    • Added beep sounds when placing the headset into Mobile Phone pairing using the buttons
    • Minor bug fix for charging the headset completely when the environmental temperature is low

    v 1.0
    Initial Release


  • Sena Marine App

    Get on the same wavelength as your crew by connecting your devices with the Sena Marine app. Access the list of paired devices and customize the settings to experience the full features of your devices. Manage Mesh Intercom settings, download and view the User’s Guide, get updates on the latest firmware, and more.