Re: [Leica] best way to clean a LS-2000

["Mark E Davison" <dmark8@qwest.net>]

David,

It usually
- ----- Original Message -----
From: "Rodgers, David" <david.rodgers@xo.com>
To: <leica-users@mejac.palo-alto.ca.us>
Sent: Wednesday, June 20, 2001 1:21 PM
Subject: RE: [Leica] best way to clean a LS-2000


> Mark,
>
> I believe the LS-30 and LS-2000 keep certain exposure settings in memory.
> These settings are not purged until the scanner is turned off, or until
you
> remove the negative feeder, or slide feeder. (Removing the film strip
holder
> that fits into the slide mount does not purge the setting).
>
> I just read a note on this recently. Sorry I can't give more detail. I've
> read a host of material lately and I can't remember where exactly I read
> what. You mentioned Blue channel. That rings a bell. I just remember
reading
> something that said in certain instances this may cause exposure or color
> shifts when scanning, and the fix is to turn the scanner off to reset the
> setting. It's not something you can do via software (though maybe with
> Nikonscan 3.1, if it's a bug and Nikon fixed it). Are you using the same
> film always, or are you using different films? I'd be curious if removing
> the holder from the scanner resets things and fixes the problem without
> having to turn the scanner off.  If not, it could be something other than
> what I'm referring to. I usually have to reboot my system for to reconnect
> when I turn the scanner off and on. That's a pain.
>
> I'll keep digging and see if I can come up with the source info. I'm
> inclined to think it was at Hamrick's site (Vuescan). Lots of good stuff
> there.
>
> Dave
>
> -----Original Message-----
> From: Mark E Davison [mailto:dmark8@qwest.net]
> Sent: Wednesday, June 20, 2001 5:49 AM
> To: leica-users@mejac.palo-alto.ca.us
> Subject: Re: [Leica] best way to clean a LS-2000
>
>
> I sometimes have a halo problem with my LS-2000 that I can work around by
> turning the scanner off, waiting a minute or two, and then turning it back
> on again. The scanner acts as if some sensor is getting saturated with
> charge and can't bleed it off. This especially effects the blue channel. I
> notice it most when scanning very dense slides where I have turned up the
> analog master gain.
>
> Mark Davison
>
>
>