Last updated: 19 September 2009

[NEW!] Mike here: ETX-LS AutoStar III 1.2g and AutoStar Update 5.9 were released on 18 September. This hopefully corrects the problems noted 16 September that occurred when applying the 1.2g update via ASU 5.8. From Meade's web site:

The new LS telescope version 1.2g software update includes GPS performance improvements for faster and more reliable alignments. This update is available for download now by running the AutoStar Updater (ASU) on your PC and selecting "Upgrade AutoStar Software Now". Check back frequently for more information on future software updates.

Subject:	ETX-LS updater warning
Sent:	Wednesday, September 16, 2009 11:47:10
From:	P. Clay Sherrod (drclay@tcworks.net)
A major warning for anyone wishing to update the ETX-LS to the newer
firmware in search of a fix for the errant or slow GPS:

Do not attempt....not with the ASU 5.8 updater or any previous.  There
is a bug in the updater program that corrupts the upload and apparently
sends ETX 497 data into the Autostar III, which pretty much wipes out
the database.  Meade has just confirmed this issue and they are looking
into it....if you have a working ETX-LS, do not attempt to upgrade your
firmware at this time.

There is a new version (v1.2g) that apparently fixes the slow (or
non-existent) GPS fix, but having to enter the date and time manually is
better than no operation at all.  Note that Andrew Johansen has pointed
out that if you insert TWO C-cell batteries in the compartment, in the
slot closest to the eyepiece end of the OTA, your LS will retain time,
date and location with its internal clock.

Those who do lose their operating system will need to flash load the
database via a mini-SD card inserted into the card port on the
telescope; no USB connection can be made to the telescope once the
firmware is corrupted.

Dr. Clay
Arkansas Sky Observatories
MPC H45 - Petit Jean Mountain South
MPC H41 - Petit Jean Mountain
MPC H43 - Conway West

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Copyright ©2009 Michael L. Weasner / etx@me.com
Submittals Copyright © 2009 by the Submitter
URL = http://www.weasner.com/etx/warnings/etx-ls-12g.html