According to the one but last firmware:
Changelog:
- Added: copying the current memory channel settings to?VFO mode by?long press the V/M key
- Added: adjusting power in?TONE mode
- Added: switching PRE/ATT by?long pressing
- Added: frequency tuning step 500?Hz
- Adjusted: speed of?TUNE/MULTI encoder in?INTEL mode
- Adjusted: SWR monitor indication
- Adjusted: power in?FM mode
- General stability fixes