AWA info Please

OK, here's a question for all the old AWA techs on here!!

 Looking for some info/schematics for a power supply 1LP82162, made for AWA
by Antaron Aust.  13.8VDC 8A supply, from old commercial 2-way site.

Also some info on the AWA "Automatic Battery Changeover Unit" 1LW82185.
This little box has 6 wires exiting - Blue, Red, Orange, Black - then Red &
Black, connected on the PCB to points A, B, C, D, E and F respectively.  So,
I gather from the simple cct and testing that Blue (A) is power supply/mains
+, Red (B) is output (to radio) +, Black (D) is negative, and (E) Black, (F)
Red is the battery - and +.  So, my question is - what is the Orange (C)
wire for?  It seems that power applied to (A) also appears at (F) as a
charge voltage? But is (C) also a battery charge???

I'm hoping one of you knowledgeable ex-AWA techie types in here will have
seen these old things around and can give me some helpful insight as to
correct connections.  The PS seems to have 2 outputs, but are they the same
output or separate??

Don't feel like fully dismantling these if I can avoid it!!!

TIA

Martin, VK2UMJ

vk2umj AT yahoo DOT com DOT au