function	DIN pin	MJ contact	MJ color	ppole
audio out	DIN-1		ring 1		red		--
--		DIN-2		--		--		--
ptt out		DIN-3		ring 2		blue		--
--		DIN-4		--		--		--
audio in	DIN-5		tip		green		--
ground	DIN-6		ground	gold		black
V+		DIN-7		+7-18v	--		red
--		DIN-8		--		--		--
--		DIN-9		--		--		--

piccon jumper J2 (mic/ptt) NOT connected

jack contact order:
tip
ring-1
ring-2
ground

UV-3R
set regulator to 4.4v
barrel connector is center pin NEGATIVE
wires inside adapter are correct red/black