How to check FW updates:
- Go to HW info page (from menu of long pres button 1 )
- Push button

- Follow instruction
Test FW releases:
1.2.6-MCB-150
- Added support of microphone with self control in Microphone menu (VOX will be releasedd later)
- Added support of input audio mixer (short press of RF encoder)


Small HW update: it needs to replace R23 resistor so