EQMOD-ETX

Introduction

This document describes the protocol used between the Autostar (#494, #497) controllers and the RA and DEC motors. The device investigated was the ETX60AT.

Notices

Information in this document was derived from multiple sources on the Weasner site. It is a summary of those documents and retains the original warnings/copyrights where they existed. The main information comes from -: http://www.weasner.com/etx/menu.html.
US patent #6,304,376 is held by Meade.
Some information is derived from observations of the interactions between the Autostar controllers and the DH series motors. The information in this document was not derived via disassembly of the Autostar or motor processor firmware. Care must be taken to not violate the claims of the aforementioned patent in applying this information.