[Orion] Firmware upgrade and CW/ACOM2000A issue again

[Barry N1EU]

FWIW, I used to have the ARC fault problem a couple of years back with my FT-1000MP and Acom 2000A.  Piotr sent me scope photos of the timing problem with his Omni VI+ and Acom back when he was troubleshooting the problem and best I could determine the same root cause was not the issue in my case.

I've used the v.1372 Orion in CQ WW CW (beta) and half of ARRL160 fairly intesively in qsk (keying loop) mode with zero delay without a single instance of ARC fault.  This doesn't mean to say that others might not benefit from applying Acom's mod (which I haven't done).

73,
Barry N1EU

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