Meade #909 Accessory Port Module, Required for AutoGuider Applications for LX90.

The #909 accessory port module expands the functions of the LX90 SCT's computer control panel. It provides Autostar handbox control of an optional electric focuser (for visual and photographic use) and optional corded illuminated reticle eyepieces (for guided long exposure astrophotography). It also provides a port for a CCD autoguider for long exposure automatically-guided astrophotos.

The #909 attaches to the rear cell of the Meade LX90 Schmidt-Cassegrain scope, just under the visual back and star diagonal. A bracket attaches permanently to the scope, using a supplied hex wrench and socket-head screws.

The #909 snaps into place in the bracket. While the #909 is easily removed by pulling forward on a clip at the top of the bracket and sliding the #909 downwards, the module is also small enough to be left in place permanently. The #909 connects to the AUX port of the scope's computer control panel by means of a supplied coiled cord.

The Autostar hand control can control the speed and direction of focus of an optional #1206 electric focuser plugged into the #909. It can also control the intensity, blink rate, and on/off cycle time of optional Meade 9mm and 12mm corded illuminated reticles.

The #909 does not require batteries. It is powered by the LX90's power source. However, it does require the use of Autostar software version 2.2 or higher. If your Autostar handbox has a version lower than 2.2, you can download the correct software from Meade's website (www.meade.com) using an optional #505 connector cable kit.

A word of caution. Plugging an optional illuminated reticle eyepiece into the identically-shaped electric focuser port of the #909 can damage the reticle illuminator. Any such damage is not covered by warranty.