User's Manual

Appendix D. iGuider for CEM70G

CEM70G has a built-in iOptron iGuider

guiding system. It includes a 30mm diameter and 120mm

focal length guiding scope and a Windows based driverless guiding camera.

1. Focus adjuster locking screw (2mm hex), 2.Focus adjuster, 3.Lens cover

The iGuider only support ASCOM guiding. Please follow mount computer control reference to

make sure that a proper iOptron Commander/ASCOM Drive is installed based on your mount

type. CEM40G/GEM45G and CEM70G uses different Commander/ASCOM Drive. Test the

mount computer control before setup the autoguiding.

1. Connect iGuider to a PC

The iGuider guiding system is connected internally to the mount main USB port. For example,

CEM70G is connected to the USB3.0 port on the main control board.

Connect the mount to a PC via main USB port. Check your PC device list via Device Manager,

you should see an iOptron iGuider under the Camera.

2. Setup PHD2 Guiding

Download freeware PHD2 autoguiding software from https://openphdguiding.org/downloads/.

Please select V2.6.7 or later version.

Start the PHD2 to start New Profile Wizard: