Firmware updates could be a chore, but it’s almost impossible to have one bug free 🙂

In this update several annoying bugs were squished and one small new feature added.  I feel like this one has fixed all the “known” issues, so I’m taking V3 out of Beta and using in from now on in all Xronos 2 clocks.  V2 is no longer supported or updated, so please upgrade to V3 if you can.


  • Fixed Alarm announcement not working when pressing Talk Button
  • Fixed RF indicator and RF statistics (for RFM12b version)
  • Fixed incorrect RF frequency shown during clock boot-up on Serial port


  • RF statistics logic has been updated. It now will always show last time clock recei