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Meade autostar hand unit fails after 2 seconds changed hand units

Reverse polarity applied to unit then this problem began. cannot find a fuse on the autostar board.

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Does the Autostar start to come on then fail, ie you get the bleep and initial display, then nothing more? If so, it sounds like it is not completely blown.

I wonder if you need to reload the firmware? You can do this if you have a serial cable to connect it to a PC. To put the Autostar into "Bootstrap loader" mode, power off, then hold down the top left and bottom right buttons on the Autostar whilst you turn the power on (needs at least 3 hands!). The screen displays a different message and waits for new firmware to arrive up the serial lead. Look on Mike Weasner's site www.weasner.com/etx for full instructions.

Posted on Aug 15, 2009

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How To Upgrade Your Handbox
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Autostar Update is an application that functions to transfer the event files and software updates from your computer, through the serial port, USB or Connector Cable Set depending on your telescope model. The Autostar Update application is available as a stand-alone client application for Windows. The most recent versions of AutoStar Update automatically check for the newest versions of the AutoStar Updater and download it if necessary. It is critical that you use the most recent AutoStar Updater to ensure that you get the proper software updates for your system.
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