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  1. #1
    rubenmg's Avatar
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    DeVere Closed Loop System 5108

    Hello,

    I want to use my DeVere 5108 with color head filters, (usually I use Ilford filters).

    I havenīt manual or instructions of closed loop system. My problem is:
    If i want to filter #4, for example, I introduce the amount of M necesary. But when I turn of, filters are placed to zero, and only moved again, when light is turn on.

    Is there some metod to prevent the filters move to turn off the enlarger?
    Is there some metod to move filters with enlarger ligth off?

    Thank you,

    Regards,
    Ruben

  2. #2
    Jesper's Avatar
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    Maybe I misunderstand the description, but I have a 5108 with colour head and the filters only move when I move them.
    As long as I don't turn the dials they will remain in the same positions.

    I have however, a printed manual and if you are interested I can scan it for you.
    It will take some time to scan so maybe someone else got it as a pdf, but if not I will scan it for you.

    Jesper

  3. #3
    rubenmg's Avatar
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    Hello Jesper and thank you for your answer.

    Are your DeVere the closed loop system? That is, filters move by hand or by motor?

    Ruben

  4. #4
    Jesper's Avatar
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    Filters move by hand.

    You got the other version?

  5. #5
    rubenmg's Avatar
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    Yes, mine is closed loop system and itīs probably that your enlarger is dychromat system.

    In my enlarger filters move by motor througth display.

    Thank you, regards,

    Ruben

  6. #6
    ic-racer's Avatar
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    Quote Originally Posted by rubenmg View Post
    Yes, mine is closed loop system and itīs probably that your enlarger is dychromat system.

    In my enlarger filters move by motor througth display.

    Thank you, regards,

    Ruben
    I'm very familiar with all the workings of the Omega closed loop system. Yes they need the lamp to be on to make any adjustment. The omega does NOT move them to zero when the lamp is off, but I don't know if this is normal with your system.

    Is there a delay when making the exposure for the filters to go back to position? Why do you think it is not working correctly. What exactly is the problem? Why would you need the filters in position with the lamp off?

    Also, try using the combined M and Y settings listed on the Ilford website. You should be able to get even exposures between contrast settings, just like the Ilford filter set.

  7. #7

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    Ruben:

    During next week you might to try calling:

    Lightwave: +44 1959 570281 (mail@lightwaveservicing.co.uk)

    Odyssey Sales: +44 1273 676768 (john@de-vere.com)

    Tom

  8. #8
    rubenmg's Avatar
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    I'm very familiar with all the workings of the Omega closed loop system. Yes they need the lamp to be on to make any adjustment. The omega does NOT move them to zero when the lamp is off, but I don't know if this is normal with your system.

    I never used this system, and my DeVere had a circuit modification for to introduce an Analyser pro in system. Turn on and turn off is with Analyser, but filters move with DeVere display.

    Is there a delay when making the exposure for the filters to go back to position?
    Yes there is. When light turn on filters start to move to chosing position.
    Why do you think it is not working correctly. What exactly is the problem?
    The problem is that if I start to print a copy, the first few seconds would be white light until the filter is put in position.
    Why would you need the filters in position with the lamp off?
    For the same reason

    Thank you very much!!!

    Ruben

  9. #9
    ic-racer's Avatar
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    OK, I see the problem now. I looked at your web page and saw that Analyzer pro, but thought that was for a different enlarger, as I would think it was not compatable with the Devere closed loop.

    I guess the previous owner figured out (maybe) how to integrate the two systems.

    To diagnose this problem I'd try to see if the Devere system works by itself. So, how does the Analyzer pro hook into the Devere? Can it be disconnected?

  10. #10
    rubenmg's Avatar
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    This is modification for introduce Analyser Pro.

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