Equinox Systems GEMINI Manuel d'utilisateur télécharger pdf (Page 6)

Gemini Users Manual 1

1 Introduction

1.1 General Description

The Gemini Astronomical Positioning System is a professional

level computerized device for controlling small to medium

German equatorial telescope mounts. It was conceived and

Scott Losmandy, Norman Diehl and others)

as a tool for

locating and tracking celestial objects, and for organizing both

visual observation and astronomical imaging sessions. Even at

its first release as Level 1 (November 2000), it could be used as

a completely standalone system, or be controlled from a PC

using planetarium software or the Gemini Control Program

(GCP) developed by Daniel Görlich. Each subsequent upgrade

(Levels 2, 3 and 4) added to its functionality, its convenience of

operation, and its remote control capabilities.

The Gemini has many features to help you be efficient and save time in your

astronomical observations. Although most should be intuitive, careful reading of

this manual will shorten your learning curve and ensure success.

IMPORTANT: Please read the “Quick Start Guide” (section 2.1 of this

manual) before attempting to use your Gemini for the first time. It contains

important information to help you start using your Gemini system.

One unique feature of Gemini is its ability to perform all of its functions by

navigating multiple menus using only five buttons and a single LED readout.

While the alternative would be a control panel with multiple specialized controls,

the simplicity of the Gemini system allows for almost unlimited upgrade without

rendering the basic hardware obsolete. Starting with the Level 4 software, it is

possible to add remote hand controller functionality using a PC or PDA. Since this

is done using a serial protocol, it is even possible to design a new custom hand

controller.

Gemini is available as a retrofit kit, or pre-installed on your telescope mount at the

factory. The most recent version of Gemini's software, Level 4, is provided with all

new telescope mounts. This level is also available as a simple plug-in upgrade to

anyone who already owns Level 1, 2 or 3.

René Görlich: Original concept, control electronics, and all software programming, except for the servo

subsystem. Scott Losmandy: Had developed a servo motor board at Aveox, Inc., developed all the mechanical parts,

named the combined/finished device "Gemini," and is the producer. Norman Diehl: Co-developed control electronics

for the stepper motors (including DSC capabilities), and assisted with development of Gemini's circuitry and board

layout. George Radda and David Palombo: Developed the servo control, final board layout, and software for the

servo processor's manufacture (at Aveox, Inc.). Wolfgang Steinicke: Revised NGC/IC catalogue. Peter Ward:

Southern hemisphere testing. Many ideas for features and improvements from all.

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Equinox Systems GEMINI Manuel d'utilisateur Page 6