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Lx 90 gps

What is the polarity of meades external power supply + or - tip please

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LX90 GPS align in Alt/Az - posted in Meade Computerized Telescopes: I did some searching and could not find an answer. Please forgive me if this has been asked before.
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Suggested Questions And Answer :


LX6 Hand controller....error message - Meade 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/ FREE UPS


If the hand controller on the LX6 has stopped working you have a problem since meade does not support this very old telescope. My only suggestion would be to place an ad on www.astromart.com looking for a new hand controller.If the error message indicates a "motor fault" make sure you have a good power supply and or fresh batteries-- as low voltage will cause a motor fault error.Later you said it was an LX90 LNT-- ?? so which scope do you actually own???
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About my LX6, not - Meade 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/ FREE UPS


Sorry you will need to be much more specific about your scope proble,
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Thumb screws for meade finder scope - Meade 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/ FREE UPS


They are 10-32 thread; most hardware stores will have something that will substitute.
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When I press the mode key nothing happens. - Meade 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/ FREE UPS


Nothing will happen if you at the TOP of the menu tree. The mode key serves several purposes. First it works like the ESCAPE key on a computer and backs you out of the current menu UP in the menu tree one level each time you push it.If you hold it down for 2 seconds you get another menu with additional features..Check your manual for the menu tree diagram. If you are already at the TOP of the menu tree nothing happens.If the key does not work at all then the contact under the key is worn out. You can buy a "kit" to repair the contacts-- but of course you must dis-assemble the controller.
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LX90 Dec pointing out by 4 degrees over run


Go onto www.cloudynights.com and post this in the LX member forum-- and or go on YAHOO groups and post this in the LX90 forum--Are you absolutely sure that your TIME and DATE and DAYLIGHT SAVINGS (yes-no) are correct.On my LX90 the first alignment star is always NOT in the eyepiece but everything is OK once I center both alignment stars.
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MEADE LX90 TELESCOPE


Had the same problem. Took it to a dealer and we put a new controller on but the funny thing was that my old controller worked fine on another scope but it would not work on mine. Agreed with "Guest" above - Mead's after sales service is bad.
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LX90 8" LNT Polar alignment


The only reason you would want to polar align is to do astro-photography which will be difficult from your location.Use the scope in normal ALT AZ configuration. Calibrate motors, Train Drives, make sure time, date, site, are set correctly. The Calibrate sensors function sets the magnetic deviation for your SITE. Not really that important because when you center two alignment stars everything is corrected anyway.So take the wedge off the tripod --- you can still do short duration astro-photography usually not exceeding 12 second exposures and then STACK the images using software.
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Problem with alignment of Meade LX90 8" telescope


Start from scratch- RESET the hand controller.Calibrate motors using the same power source you will use outside.Re-train the drivesCalibrate sensors on PolarisUse either the 110 volt power cord, or buy a 12 volt power pack and the proper Meade 12 volt cable. (www.scopestuff.com carries the right 12 volt cable)If your scope is NOT the LNT or GPS model you must level the tripod before you align. Go to home depot and buy the $3 small plastic two way bubble level, or the bulls-eye style bubble level.Further trouble, I suggest going to the LX90 Yahoo group forum, and asking questions there.Good Luck
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I have an 8' meade telescope and cannot find my operating manual. Where may I find one for my old telescope?


This manual is located on the Meade web site here:http://www.meade.com/manuals/index.htmland here is your manual:http://www.meade.com/manuals/TelescopeManuals/LXseries/LX90-LNT.pdf
Read More At : 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/......

Leveling sensor seems to be inoperative, tube continues to slew along vertical axis until I have to turn off the computer to avoid damage. I have replaced the 3 volt battery in the Smart Finder, which, I understand, is the LNT device.


Probably your hand controller cable is broken. First thing to try is a new hand controller cable.Also check the small watch style battery inside the LNT module.If a new cable and a new battery do not fix this then it an internal circuit gone bad. Only Meade can repair this:http://www.meade.com/support/index.htmlTry the new cable first.
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