naturerecordists
[Top] [All Lists]

Re: External powering issue with my SD-702

Subject: Re: External powering issue with my SD-702
From: "Paul Jacobson" thebrunswicktwitcher
Date: Thu Nov 29, 2007 10:35 pm ((PST))
After a further scan of the manual, it seems that you can change the  
ext battery low voltage warning from the factory default of 11V to  
10VDC-18VDC in 0.1V increments.  It might be worth changing this to  
13V and seeing if this triggers a change over to the internal battery?

cheers
Paul

On 30/11/2007, at 4:49 PM, Paul Jacobson wrote:

> Hi John,
>
> Your NiMH pack would have a discharged voltage of around 12V.
> According to the 702 manual the external battery low voltage
> threshold is 11V, so I suspect that the external pack reaches a point
> where it cannot supply sufficient current to run the 702 before the
> power management circuit detects low voltage and switches to the
> internal battery.
>
> The solution would be to either get the factory to change the low
> threshold point to something like 12.5 or 13V for use with the 12
> cell pack, or to use a 10 cell instead.
>
> cheers
> Paul
>




<Prev in Thread] Current Thread [Next in Thread>
Admin

The University of NSW School of Computer and Engineering takes no responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the naturerecordists mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU