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

["Rodgers, David" <david.rodgers@xo.com>]

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