This is a new firmware written from scratch for the FX-4CR radio.
Due to a hardware change this version will not be flashed on radios delivered after January 2024.
(Updates will be available later.)
Use this firmware only if you are comfortable with the technique.
Read and comprehend the service manual.
Note down all the values of the various menus, both user and technical.
The EEPROM memory has been erased.
To return to official firmware, you must re-enter the previously noted values.
Download and install the last firmware release.
The FX-4CR-V2 releases can be found at releases.
You must align your radio before transmitting, otherwise the power and voltage will not be correct.
Please read the user manual.
There are some changes in features.
Keep in mind that this is the first public release and there may be some glitches.
73, Daniel F5BUD