This model is not capable of firmware updates in the field so no files are available for download. Contact Lectrosonics if you need a firmware update.
R400a/E02-779 v1.2 – 27 August 2013
- Corrected FM deviation level in audio compatibility mode 3.
- Make squelch system immune to high intensity supersonic content in the audio.
R400a/E02-779 v1.1 – 19 January 2011
- When generating a tone on one output (balanced or unbalanced), the other output will now remain squelched.
- Fixed a bug that resulted in perceived RSSI level differences between the main screen and the scan screen.
R400a/E02-779 v1.0 – 14 September 2010
First production release.