Ah ha! So maybe my knowledge doesn't apply to the BrailleNote family of
products then! I might try this out when I'm back at university since my AC
adaptor is not near me for the time being, so I'm relying on my trusty
rechargeable battery and charge it when it's at 10% or less. Thanks for the
reassurance!
Chris Hallsworth
BrailleNote mPower user
----- Original Message -----
From: "Powers, Terry (NIH/OD/DEAS) [E]" <[EMAIL PROTECTED]>
To: "Chris Hallsworth" <[EMAIL PROTECTED]>; "James
Austin" <[EMAIL PROTECTED]>; "BrailleNote List"
<[email protected]>
Sent: Wednesday, September 12, 2007 12:54 PM
Subject: RE: [Braillenote] odd behavior with ac adapter
Chris;
For once I disagree with you. I leave my m-power, on my desk, on ac
power, all the time. When not in use I close the cover, but do not
close the velcro. It has not had any effect on my unit. As I am
writing, there is no sign of my unit being at all worm after just
opening the case. I mainly close it at night or when not in use to keep
away dirt and dust.
I have 7.2 and no such problems. I have never heard of this happening
before.
Good luck on solving this problem.
Is he putting the ac adapter through the hole in the case or directly
into the machine. If using the hole in the case, try putting it
directly into the maching and closing the case. You will not be able to
velcro it but it will keep it clean while not in use. The chord going
around the side of the back of the case will prevent it from closing all
the way.
Terry Powers
-----Original Message-----
From: Chris Hallsworth [mailto:[EMAIL PROTECTED]
Sent: Wednesday, September 12, 2007 7:01 AM
To: James Austin; BrailleNote List
Subject: Re: [Braillenote] odd behavior with ac adapter
James and all, think about it. You close the case, right? That means
that air cannot be exposed to the BrailleNote. This is especially
important when charging the unit, as the electricity would heat up the
battery, hence the transformer getting fairly warm during the fast
charging process. If that heat couldn't escape, it could just build up
and up in the BrailleNote, and eventually the unit would be so hot that
smoke may be generated and, in worst cases, the unit could even explode
and start a fire. So this is why I recommend to you all never to leave
units, including a BrailleNote, closed in their cases, especially units
that don't have a fan or places where heat can escape, to which the
BrailleNote is a good example. If any of you disagree or have further
comments or queries, please let me know as I'd be very interested, but
as I have got a GCSE in physics, I should know all about how electricity
works and what would happen in these situations.
Thanks in advance.
Chris Hallsworth
BrailleNote mPower user
----- Original Message -----
From: "James Austin" <[EMAIL PROTECTED]>
To: "Chris Hallsworth" <[EMAIL PROTECTED]>
Sent: Tuesday, September 11, 2007 9:01 PM
Subject: Re: [Braillenote] odd behavior with ac adapter
Hi Chris,
Do you risk getting dust etc into the braille display if you leave
the case open? Just curious On 11 Sep 2007, at 20:49, Chris Hallsworth
wrote:
That's probably because there's no air going through to the
BrailleNote.
I'm not saying that closing the case would overheat the unit, and
that overheating can freeze the unit, but there is certainly that
possibility. If I was charging my mPower, I'd make sure that it's
well ventilated, which includes leaving the case open.
Chris Hallsworth
BrailleNote mPower user
----- Original Message ----- From: "Alex Parks" <[EMAIL PROTECTED]>
To: "Chris Hallsworth" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>; <[email protected]>
Sent: Tuesday, September 11, 2007 8:44 PM
Subject: Re: [Braillenote] odd behavior with ac adapter
Exactly, and that is the odd part. Open (the cover of the case that
is) it does fine, but when the cover is closed and secured it (the
BN) freezes.
Have a great day,
Alex
----- Original Message -----
From: "Chris Hallsworth" <[EMAIL PROTECTED]
To: "Alex Parks"
<[EMAIL PROTECTED]>,<[email protected]
Date sent: Tue, 11 Sep 2007 18:47:31 +0100
Subject: Re: [Braillenote] odd behavior with ac adapter
Alex, when you're referring to open and close, do you mean when
the BN's in
its case, or am I missing something? Thanks in advance.
Chris Hallsworth
BrailleNote mPower user
----- Original Message -----
From: "Alex Parks" <[EMAIL PROTECTED]
To: <[email protected]
Sent: Monday, September 10, 2007 1:10 PM
Subject: [Braillenote] odd behavior with ac adapter
Hi all,
I just found something extremely odd: when the BN is open, it
does fine
with the AC adapter. When it is closed, it freezes when I plug
it in and
must be reset. I even held down the spacebar and plugged it in,
but it
worked fine. Can anyone duplicate? Thanks.
Have a great day,
Alex
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