Extended operating range means the display will be readable at higher and
lower temperatures versus a standard one. You still need to adjust the
contrast voltage to get optimal results.


> -----Original Message-----
> From: David Dunn [mailto:ddunn@TCAINTERNET.COM]
> Sent: Friday, August 10, 2001 11:09 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [OT] : Extended Temp Displays
>
>
> I realize that extended temp LCD displays have a wider
> operating temperature, but what *specifically* does this mean.
>
> More / Less contrast changes at the wider temperatures ?
>
> I've got a standard temp display but i'm finding that the
> contrast on it is too dark at it's upper operating limits
> (around 120 degrees F).  The unlit segments begin to grow
> dark around that temp and it's hard to see the ones you
> want to be able to see.
>
> I'm looking for real specifics here on what using an extended
> temperature display does for you, not just "it lets you
> use it at higher and lower temperatures"
>
>
> Thanks for your comments !
>
>
> David Dunn
>
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