... Yes the VFO Button is working - i can change the VFO
I'll load the full MPLAB to have a look to the FW - one of my favorites is programming of µC - AVR, FPC with Lazarus... - and now i'll have a look to the PICs
Testing RS232 works also. But i´am not able to flash new FW . I hold VFO Button and push PWR button - no responds to Bootloader - ingenia did not find the Juma