Question about Celestron NexStar 130SLT (31145) (306 x 130mm) Telescope

2 Answers

The computer guidance seems totally dead. The hand set can maunally power the motors to turn the telescope but the screen is blank.

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  • miller-jim Dec 13, 2008

    Sorry my post was not clear.  I was talking about the hand held "computer" in the  supplied with the telescope.  There is no way I have to reload the software (and i have no software)  Do you know if thera are any key strokes on the hand held to reset the unit?


    regards

  • miller-jim Dec 13, 2008

    Very fast help. Thanks alot

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Reconnect the telescope the to computer, are all the drivers properly installed? did it work before?

Posted on Dec 13, 2008

  • Ekse Dec 13, 2008

    there is a factory setting reset in the menu, 


    The factory setting - return the nexstar hand control ot its original factory setting. Parameters such as backlash compensation values, initial date and time, longitude/latitude along with slew and filter limits will be reset. However, stored parameters such as PEC and user defined objects will remain saved even when factory settings is selected. The hand control will ask you to press O key before returning to the factory defaults settings

  • Ekse Dec 13, 2008

    User manual and also firmware update for the handheld unit are available on this page


    http://www.celestron.com/c3/product.php?...

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Reinstall the software completely.

If that does not work, it may be a cable problem.

Posted on Dec 13, 2008

  • 1 more comment 
  • Ginko
    Ginko Dec 13, 2008

    If the motors can be manually powered, then the problem is probably the software installed on the computer, or at limit the connection cable.

    To start unplug telescope and computer power and connection cables for ten minutes, this is called hard reset, and can solve problems caused by electrostatic charges by draining power completely from the devices. If the computer is a laptop, also remove laptop battery at same time.

    After this, try doing a system restore to a recent date, chose a date before you started having the problem.

    Here is how to do system restore on XP, on Vista the procedure is similar.

    If system restore does not work, try reinstalling the software completely, using again the CD that came with the telescope.

    At this point it should work, if it does not , test the telescope and software on a diffeent computer.

    If it works , reinstall windows on first computer.

    If it does not work, get a replacement connection cable.


  • Ginko
    Ginko Dec 13, 2008

    Then it is not a computer, it is the Celestron sky scout you are talking about,.

    You need to upgrade software/firmware on your sky scout, see:






    How do I update my SkyScout software-firmware?

    and

    I can’t successfully flash upgrade my SkyScout. What can I do?



  • Ginko
    Ginko Dec 13, 2008

    You may also need to upgrade the motor control firmware, download is : Motor Control Firmware Updates v.2.1.21 (3.37 MB) release notes


    If the firmware update operation gets interrupted , the control device may result damaged.


    Better to contact celestron and find step by step instructions, and safety suggestions on how to do the firmware update before starting the update.


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