I've read that subject in the manual a couple times. May make some sense of it all tomorrow. Thanks for suggestions, Paul!
Jack --- On Sun, 12/12/10, paul stenquist <[email protected]> wrote: > From: paul stenquist <[email protected]> > Subject: Re: Dust Alert > To: "Pentax-Discuss Mail List" <[email protected]> > Date: Sunday, December 12, 2010, 7:32 PM > > On Dec 12, 2010, at 10:24 PM, Jack Davis wrote: > > > Dust Alert must work intermittently as is the case > with the DA 55~300. > > I've used the Pentax gummy pen and bulb blower. > > As I see no spots on the images, I'm beginning to > actually wonder if it's on the sensor.(?) > > Does the Dust Alert come alive only when it actually > recognized that the sensor needs cleaning? > > No. It works with dirty and clean sensors. I know it's not > always selectable. I don't remember why. Check the manual. > Paul > > > > Jack > > > > --- On Sun, 12/12/10, paul stenquist <[email protected]> > wrote: > > > >> From: paul stenquist <[email protected]> > >> Subject: Re: Dust Alert > >> To: "Pentax-Discuss Mail List" <[email protected]> > >> Date: Sunday, December 12, 2010, 6:10 PM > >> Dust alert doesn't work with some > >> lenses. Don't know why. > >> Sounds like your sensor needs cleaning. Try > blowing it off > >> with an ear cleaning bulb. If that doesn't work, > use the > >> Pentax gummy stick or some other heavy duty > cleaning kit. > >> Don't ad lib. > >> Paul > >> On Dec 12, 2010, at 8:08 PM, Jack Davis wrote: > >> > >>> I performed the Dust Alert with the K20 and > DA55~300. > >> I got a debris field similar to the one I'm > sending each > >> time. I did the Dust Removal numerous times and > all that > >> happens is the debris is re-distributed. > >>> I went to my DA*50~135 and sensor appeared > clean. I > >> then tried another lens and found the Dust Alert > grayed out > >> and has refused to wake up. > >>> I open the 55~300 aperture and peered through > it, out > >> of frustration, but saw nothing floating around in > there. > >> :( > >>> > >>> Any ideas? > >>> > >>> Jack > >>> > >>> http://photolightimages.com/aspupload/detail.asp?ID=556 > >>> > >>> > >>> > >>> > >>> -- > >>> PDML Pentax-Discuss Mail List > >>> [email protected] > >>> http://pdml.net/mailman/listinfo/pdml_pdml.net > >>> to UNSUBSCRIBE from the PDML, please visit the > link > >> directly above and follow the directions. > >> > >> > >> -- > >> PDML Pentax-Discuss Mail List > >> [email protected] > >> http://pdml.net/mailman/listinfo/pdml_pdml.net > >> to UNSUBSCRIBE from the PDML, please visit the > link > >> directly above and follow the directions. > >> > > > > > > > > > > -- > > PDML Pentax-Discuss Mail List > > [email protected] > > http://pdml.net/mailman/listinfo/pdml_pdml.net > > to UNSUBSCRIBE from the PDML, please visit the link > directly above and follow the directions. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link > directly above and follow the directions. > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

