How to teach a target without Focus Module attached to the HeadPLUS? Ashley September 29, 2018 17:08 Updated Please see the tutorial below for instructions on teaching a target without Focus Module attached to the HeadPLUS: Related articles Does the Laser Module make the lens calibration for the Focus Module unnecessary? How do I teach a new lens to the Motion Kit? HeadPLUS How do I attach the Laser Module on the HeadPLUS? Can I use an iPad to run the edelkrone app? Comments 0 comments Please sign in to leave a comment.