Question about Meade ETX-125EC (500 x 127mm) Telescope

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I need a new vertical lock for my ext-70at astro telescope with autostar controller.Where can I purchase one?

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From Meade--

See this web site:
http://www.meade.com/support/index.html

Posted on Oct 13, 2010

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I have a Meade ETX-70AT scope that I inherited from a neighbor years ago. It came with two eye pieces (9 and 25 mm), a tripod, and an Autostar which I believe is the #494 model. On the bottom of the...


The hand controller cable is probably defective-- right at the connector that plugs into the scope. Any computer network "wizard" can replace the connector. The wires must be in the exact same sequence when he repairs it.

If this simple fix does not work and you KNOW that the batteries are good-- then the hand controller is defective and will need to be replaced.

Jul 04, 2011 | Meade 494 AutoStar Telescope Control Unit...

1 Answer

The vertical lock knob on my Meade ETX-70AT was over tightened and is broken. I contacted Meade and was told that they no longer stock this part. Looking for a source for the part.


You might be able to drill a hole through the plastic knob and use a washer and a bolt to hold the screw tight. Or do something like this fix:

http://www.schlatter.org/Dad/Astronomy/etx90decknb.htm

Mar 21, 2011 | Zhumell Meade ETX-70AT Astro Telescope...

1 Answer

ETX-80 hand controller say's "Self Check Failed"


You may need to reload the firmware by following these instructions for Safe Load:

From the Autostar 2.0 README file: "SAFE LOADER MODE IN YOUR Autostar:
If the firmware in your Autostar crashes and you cannot access the "DOWNLOAD" menu item on your handbox, you can use the "SAFE LOADER" feature of your new Autostar software (version release 1.1G and above). To get into the safe loader, follow these simple steps: 1. Make sure the Autostar and ETX are turned off.
2. Press and hold the "ENTER" key and the Scroll Down Key located to the right of the help key on the Autostar handbox.
3. While depressing both keys, turn on your Autostar power switch. This will require you using both hands.

You should see "FLASH LOAD READY" on your display. This indicates that you can proceed to Update new software to your Autostar."

This is for the 497 controller. There is NO safe load for the 494 controller.

Nov 01, 2010 | Meade ETX-80AT-TC Telescope

1 Answer

I have a broken autostar 2 telescope controller and need a replacement but can not find one in the UK


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

Oct 24, 2010 | Meade LX200GPS Telescope

1 Answer

Lz200gps doesn't boot and I can't communicate via com1


Before you panic, try a new hand controller cable. You can buy these from Meade or for a better one from www.scopestuff.com

"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.

Read this page all the way through--

http://www.weasner.com/etx/autostar/guide-asu3x.html



Jun 02, 2010 | Meade LX200GPS Telescope

1 Answer

I need to replace my meade autostar controller battery pack. Do you know where I can find one?


Most of these telescopes will run off an outside 12 volt power pack. You never said which autostar controller you have???

Like this:

http://www.astromart.com/articles/article.asp?article_id=87

Sep 13, 2009 | Meade Autostar Telescope with Tripod

1 Answer

Autostar


Double check the cable from the Autostar to the telescope. Sometimes the ends go bad. They can be replaced with regular telephone cables.

Aug 29, 2008 | Meade ETX-125EC (500 x 127mm) Telescope

1 Answer

Computer control and pointing with NorthStar Goto & Autostar


Your reseller is correct. The wire (Meade cable #505) goes from an RS232 serial port on PC to a 4pin RJ plug. This plugs into the 2nd socket on the bottom of an Autostar 497 handset, the other socket being used for the curly lead to the telescope. So it goes PC to Autostar to telescope.

A common error is to try plugging the serial wire into an "AUX" ort on the telescope control panel - same connector. Not only does this not work, it can cause a lot of damage.

Wired like this you can control the scope from Meade's Autostar Suite (or many other planetarium softwares). You can also update the Autostar software to the latest 2009 version.

What else can go wrong? Well, many people want to control from a laptop, and modern ones don't have RS232 serial ports. Then you need a USB-to-serial convertor dongle, which effectively add a serial port to a laptop. But they often give it a very high port number (eg COM17) that the planetarium software does not find. Use Control Panel to reset the USB-serial-port to COM 1, 2, 3 or 4 and all should be well. But it can be a right fiddle!

Apr 01, 2008 | Bushnell NorthStar Goto 100mm 788840...

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