About UV-K5 CEC Firmware Version 0.1X (from v0.1p) 1.About Version 0.1X This version is the stable version of UV-K5 Version 0.1P In Version 0.1P, many things were changed, including the internal variable structure, and we received feedback for about 8 days to check if there were any problems. The original plan was to just change the name from Version 0.1P to Version 0.1X, but several features were added as follows. Please read Version 0.1P for main features 2.SSB Filter (bandwidth) The filter can select one of these : VFO, 3K, 2K, 1.7K, 3K+, 2K+,1.7K+ This filter operates only in SSB mode and is disabled in existing FM mode. If you select a filter with +, the + mode is also applied to CW mode VFO : Previous firmware state. It is selected among WIDE/NARROW selected in VFO 3K ~ 1.7K : When actually measured, it is a little wider than stated. 3K+ ~ 1.7K+ : It improves the functionality of the existing filter. ...