Terry,
Yes I think using AC will be a good test.
My understanding of voltage and current draw (amperage) is that as the
source voltage drops the current draw will increase.
The ammeter measures the current draw.
As your marine battery ages its ability to charge to any given voltage
decreases and so the lx200 drive circuits will register a higher current
draw.
At least that's what I think
Bruce T


> The owner's manual says that when my LX-200 is tracking, it should light 3
> or 4 bars on the ammeter. However, it lights 5 or 6. It also seems to
slew
> much slower than it previously did (when set for highest speed slewing).
>
> My next test will be to use AC power instead of a marine battery to power
> it, but do you think there's a problem brewing? Does the unit need
periodic
> lubrication? Is there anything else I should check?
>
> Thanks.
>
> Terry
>
>

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