User's Manual

Appendix E. Computer Control an GEM28 Mount

The GEM28 mount can be controlled by a SmartPhone, a Tablet or a computer. It is supported by two types

of computer connections:

 Connect to a computer via USB port on hand controller. The mount can be controlled via

ASCOM protocol (Windows OS), or directly by some software, such as Sky Safari (Mac OS)

 Connect wirelessly via built-in wireless connection. The mount can be controlled via ASCOM

protocol (Windows OS), SmartPhone/Tablet and Mac OS wirelessly.

To control the mount via ASCOM protocol, you need:

1. Download and install the latest ASCOM Platform from http://www.ascom-standards.org/. Make

sure your PC meets the software requirement.

2. Download and install the latest iOptron Commander/ASCOM drive for GEM28 from iOptron

website. The GEM28 uses Commander for a CEM120/CEM70/CEM26/GEM28 mount.

3. Planetarium software that supports ASCOM protocol. Follow software instructions to select the

iOptron Telescope.

Please refer to iOptron website, www.iOptron.com, under the product page, or Support Directory, iOptron

ASCOM Driver for more detail.