Close The Top Cover - QHYCCD QHYCFW3 Manual

Step 2 Close the top cover: Snap the upper case at the alignment position and secure the eight holes
on the edge of the filter wheel with eight flat-head screws. The filter wheel is installed.
Step 3 Install the camera
1. Fix the camera and filter wheel with M4*70mm and M4*35mm hand screws. For symmetry and
beauty, place two M4*70mm thumbscrews under the camera and an M4*3.5cm thumb screw on top
of the camera. The state of the screw is as shown in the figure below.
2. Insert the front end of the camera into the adapter ring and screw the thumb screw into the
position shown above to ensure that the camera is secured by tightening.