None means that no batteries are connected to the system
1 = battery #1 is connected
2 = battery #2 is connected
both = both 1 & 2 are connected

As to which battery is #1 and #2 -- put the switch to #1 -- and disconnect one
of the batteries. If you still have power, that battery is #2, if you no longer
have power, that battery is #1

If you do not have a battery isolator, when the engine is running; put the
switch to both so both batteries get charged. If you do have an isolator, leave
it on one or two -- your choice. If the battery goes dead; switch over to the
other battery and start your engine -- go home.

On Wed, 01 Nov 2006 11:04:48 -0500, Tikbalang
wrote:

Hello,
I checked the previous posts and Battery faq but I still need a little
advice regarding my boat batteries. (I've been shocked countless times
and had two near hits with lightning so electricity and I have a
dysfunctional relationship probably aggrevated by my own stupidity.)

I own a 2000 Bayliner 2152 and it has two batteries. There is a switch
for 1, 2, All, and None.
I understand the concept about how the batteries are isolated.
So what do I set the switch at? What is the None setting for? Which
battery is 1 and which is 2?
I fear having a dead battery at sea on startup.With my luck, having
two dead batteries is just as easy as having one.

Thanks
Charles


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