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Re: meade LX200GPS telescope
The front panel for the telescope has an internal fuse. Remove the screws and look at the circuit board for a fuse. Replace with the same type and rating. The telescope has a diode with the fuse that gives some protection against reverse polarity, and the telescope should function on this fix.
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Many Meade dealers can order you a new hand controller, either Autostar II, or the 497 controller. Contact a large telescope dealer in the UK, or you can order direct from Meade here: http://www.meade.com/support/index.html
Before you panic I would update the firmware/software on the telescope. With an LX200 interface cable you
can upgrade the software in your telescope from your PC by going to
Meade's web site at www.meade.com
Download Meade's ASU (Autostar Update Utility) and the latest
software for your Autostar II absolutely free. You can also use the ASU
to add Comets, Asteroids, Satellites, and User Objects to your Autostar
II with a few simple clicks of the mouse.
Try doing either a garbage collect or a safe load-- and then reinstall the hand controller firmware--
Instructions-- depending on the type of controller
Autostar 495 or 497: You enter Safe Mode by holding the [enter] and [scroll down] keys pressed when you power up the telescope. The Autostar will say "Flash Load Ready"... now go start the ASU.
Autostar II: if you need to use Safe Mode to recover from a disaster, turn on the telescope, and key 999 before it says "Initializing" The Autostar will say "Flash Load Ready"... now go start the ASU.
LX200gps: BEFORE proceeding further, click on the OPTIONS item on the Top Bar. Now click on "Garbage Collect Hbx" ... this will perform data cleanup within the Autostar which will avoid potential mess-ups.
Two Line (orbital) Elements (TLE) loaded from your computer to Autostar will do it. You can get the TLE from www.heaven-above.com ISS orbit 1 25544U 98067A 08223.18921414 .00008400 00000-0 64811-4 0 2402 25544 051.6411 098.9613 0010451 052.2327 040.0128 15.72906000557033
This was for 08/10/08 and following days.You have to insert the TLE into Autostar by way of the #505 cable set.Then follow the instructions in the manual for a satellite. Anticipation and practice is everything.
Check and define/ assign your com ports thru autostar and consistantly use the same port everytime you connect.
Also some usb to serial adapters are unsuitable ; dont ask me why but some work with autostar and some just dont, belkin adapters almost never work but the keyspan brand works reliably. I had the same problem and the kspan adapter plus comport set up sorted it.
Hope this helps