Ken,
Since the K3 is "doing its thing" normally, try another USB to serial
adapter, or another computer.
There are 3 possible things that could be at fault - the computer, the
USB to serial adapter, or the K3 RS-232 interface.
Do what you can to reduce the possible points of failure down to one.
73,
Don W3FPR
On 3/29/2015 9:30 AM, K M Dailey wrote:
Hi Ross,
Yup, tried that - powered the K3 off, waited 30 secs, powered on and held the
Power button down until the red TX light comes on and MCU LD appears - still no
comms to the iMac.
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