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Section 4.1 - System Requirements

Gemini Commander

In order to use the Gemini Commander control software, you will need the following software installed on your system:

• Windows XP, Vista, Windows 7, Windows 8/8.1 or Windows 10 or higher

• ASCOM Platform 6.1 SP1 or later

• Microsoft .NET Framework 3.5 or later

Gemini Commander is a very lightweight program, so if your computer meets the minimum system requirements for the software listed above, you should have no problem using Gemini Commander.

Gemini Commander requires less than 5 MB of hard drive space.

If you are unsure of whether you have the correct .NET Framework and/or ASCOM Platform installed, simply run the installer for Gemini Commander. The installer will automatically search your system for the required components and provide a link where you can download any that are missing.

Control Website

To run the web page-based controls for the Gemini hub, all you need is an updated version of one of the following supported browsers and a wireless or wired Ethernet connection to the hub.

The Gemini control website is supported on the following browsers:

• Internet Explorer
• Mozilla Firefox
• Google Chrome
• Safari (in both Mac OS X and iOS)
• Opera
• Android Browser
• iPhone Browser

Power Connection

The Gemini focuser hub requires 12VDC to function properly. A suitable power power supply is provided with every controller purchase. Please contact Optec, Inc in the event that you require a replacement power supply. Using non Optec power supplies may cause damage to you unit.

Data Connections

There are three options for establishing the data communication link between your PC and the Gemini hub: standard RS-232 serial, wired Ethernet, and wireless Ethernet via Wi-Fi (requires purchase of the Wi-Fi optional board). See the Hardware reference for details.