Professional Mariner charger, manual needed

[Monterey10]

OK, I've inherited a clean looking Prof.Mariner "Newpro 20/35) automatic battery charger. I need the instructions. It appears that it has a post for 20 amps of 12 volts (house?) and two banks which are for charging? The question is, which is which? I don't want to boil my batteries away hooking to the wrong lugs. It appears to be a 1990 vintage charger. Thanks in advance. Craig

 

[bdsweeting]

May gleen some info from here:-

http://www.promariner.com/index.html

But don't get your hopes up!

 

[Monterey10]

I wrote them. Hopefully someone there can remember back to 1990.