Hello Kerry, Can you please give me the exact wording of the messages you are getting and were you getting a percentage reading before this started happening?
Regards, Dean Jackson BrailleNote Product Specialist Humanware 11 Mary Muller Drive Christchurch new Zealand DDI: +64 3 940 2265 Fax: +64-3-384 4933 Email: [EMAIL PROTECTED] Internet: www.humanware.com Skype: pulsedata-support-nz__________________________ ----- Original Message ----- From: "Kerry Greenfield" <[EMAIL PROTECTED]> To: "'Braillenote List'" <[email protected]> Sent: Monday, October 10, 2005 4:14 PM Subject: RE: [Braillenote] battery calibration > I have only had my new Braillenote for a weekand a half and I have to keep > resetting it. Today, it said the battery gauge was faulty. Any suggestions > please? > Kerry > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > [EMAIL PROTECTED] > Sent: Monday, 10 October 2005 10:32 AM > To: [email protected] > Subject: [Braillenote] battery calibration > > Hi everyone on the list, > > I've been at Humanware for a few months now and have been reading this > list, and thought I could clarify a couple of issues about battery > calibration, since that's one of the things I've been working on. Here's my > understanding: > > Firstly, you don't have to do a battery calibration - it just helps the unit > keep track of exactly what your battery capacity is. All batteries degrade > with use and after 12 months you'd expect a reduction in capacity. > If you never calibrate your unit, it may think that the battery has more > juice left than it really does. If it was me, I'd probably try to do a > recalibration once every few months and leave it running overnight so I > don't have to listen to it . In addition, some battery types (including > NiMH which the mPower uses) need a few full charge cycles before they reach > full capacity - for example, this is what the instructions for my electric > drill said. > > Secondly, the mPower and BrailleNote classic systems measure remaining > charge in different units. mPower gives a reading of how many milliAmpere > hours it thinks are left in the battery. So a battery with a design > capacity of 1800 mAh will probably reach the 1700 - 1800 mAh range. The > classic doesn't read in milliampere hours but just reads off the information > directly from the fuel gauge chip - the one I'm playing with now goes says > it's last discharge was 27,000-ish. So don't worry if your mPower doesn't > go up as high as that - it's not supposed to. > > hope that's useful! I'm copying Dean on this in case he wants to add to or > clarify my clarification <grin> > > regards, > > Andy. > > ---- > Andrew Riden > Software Development Engineer > HumanWare Ltd > 11 Mary Muller Drive, > Christchurch , > New Zealand . > > DDI +64 3 940 2264 > Fax +64 3 384 4933 > Email: [EMAIL PROTECTED] > Internet: www.humanware.com > > *Pulse Data and VisuAide have merged to form HumanWare* ___ To leave the > BrailleNote list, send a blank message to > [EMAIL PROTECTED] > To view the list archives or change your preferences, visit > http://list.humanware.com/mailman/listinfo/braillenote > > > > > ___ > To leave the BrailleNote list, send a blank message to > [EMAIL PROTECTED] > To view the list archives or change your preferences, visit > http://list.humanware.com/mailman/listinfo/braillenote >
