Re: [ARMini-support] clock reset

  • From: John Greenwood <ARMini@xxxxxxxxxxxxxxxxxxxx>
  • To: armini-support@xxxxxxxxxxxxx
  • Date: Fri, 07 Sep 2012 10:52:21 +0100

On 06 Sep, A Rawnsley <rcomp@xxxxxxxxxxx> wrote:
> In message <52cb0c5946ARMini@xxxxxxxxxxxxxxxxxxxx>
>           John Greenwood <ARMini@xxxxxxxxxxxxxxxxxxxx> wrote:

> > When I turn my ARMini on I find that the clock has reverted to 1970 if
> > it has been off for more than a few minutes. Is there a simple fix or
> > do I need to consult?

> I suspect you've had your ARMini powered off for a long time, or at 
> least, had it powered off for much more time than powered on.  Hope 
> that makes sense.

> When we ship machines, the battery will be (close to) fully charged, 
> but that will drop over time. A complete battery charge can take a 
> couple of days (we trickle-charge it to avoid damage).  Under normal 
> use, it should charge/recharge in the background, but if used only 
> lightly, it might well discharge and lose date/time.

> You can correct date/time either via !Alarm or via !Organizer.

> Make sure battery charging is enabled in !Boot - double click !Boot 
> and go to "Battery".  It should be 3.1v (second option down) and the 
> lowest charge A (ie. first option, if memory serves).  You can 
> fast-charge it with a higher A, but it is *slightly* out of spec for 
> the battery - your milage may vary.

Ahh! I have not been using it that much. This morning the battery voltage
was only 2.3 V.

I will leave it on for a couple of days.

Thanks
John

-- 
John Greenwood Bsc CEng FIEE        www.john-greenwood.co.uk
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