Re: Whining Pronto

["Mark McCall" <mark@xxxxxxx>]

This is totally normal.  From the Pronto faq on remotecentral.com...

A3-06   What's that buzzing sound I can hear?
The very faint buzzing sound is made by the inverter, part of the circuitry
that generates the higher voltage needed for the display's EL backlight
from
the low voltage provided by the internal battery. This is completely
normal,
there is nothing to worry about. You need to be in a very quiet environment
to hear it. All similar backlights used in other devices such as watches
and
palmtops make the same sound.

----- Original Message -----
From: nick broughton <mail@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Sunday, January 14, 2001 9:16 PM
Subject: [ukha_d] Whining Pronto


> I have just become aware of my Pronto making a whining noise whenever
the
> backlight is on.
>
> It's almost inaudible unless you hold it to your ear like a telephone.
 I
> hasten to add that I'm not in the habit of doing this, I just happened
to
> hear the noise when I activated the display earlier this evening.
>
> Does anybody else have a Pronto that does this?  Is it likely that
it's
> always done it?  Is it indicative of a greater fault, or the onset of
one?
> Should I send it back to Mike?  How will I manage without it if I do
:-( ?
>
> Seriously, I need to know if this is a fault, or 'normal' behaviour. 
BTW,
> Battery pack is still almost fully charged (that was my first
thought).
>
> Thanks in advance.
>
>
>
>
>
>