I tried to download latest K3 utility version 1.12.10.10 and ended up with dead radio. I tried the help advise and their recommendations ending with still nothing working. I disconnected MicroHAM keyer and the power to K3, connected radio direct to computer with RS 232 outlet direct to COM port, turned power off to radio, reapplied power and tried to reload software and still only flashing TX LED with MCU LD showing without back lit screen. Any suggestion appreciated. Roger, W7VV
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