Just in case this ever happens to one of you, here is my salutary tale of
how I nearly started ripping my K3 to bits.
I had put a 7Ah SLA battery on my big 13.8V supply just to top it up. This
supply not only powers the K3/P3 but also my Samsung monitor, replacing the
electrically noisy little psu it came with. I usually turn off the psu
when I am neither using the monitor nor the radio. I turned it off and
went to bed. Came home from work the next day and noticed the monitor was
already on, so just went ahead and used it. Couple of hours later I turned
on the K3 but noticed that I was unable to connect to it from Lp-bridge or
any other software come to that. Swapped over USB to serial adapters, still
the same problem. I thought to myself that there had to be a fault with the
RS232 in the K3. Just as I was about to disconnect everything I noticed
that the psu was off, I had been running the monitor and then later the K3
off the still connected SLA battery! The K3 was still receiving fine at
the reduced voltage (my low voltage is set at 11V), but the 232 port
clearly was not.
Panic over, but only after an hour of fretting! I must be going senile.
73 Stephen G4SJP
--
Sent from Gmail Mobile
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