Applies to: RLC-420.
Step 1. Remove the black screw as shown. Ensure to keep it at hand.
Step 2. Hold and Pull the black part at the same time rotating Part A in the direction shown in the photo.
Step 3. Move Part A as shown in the photo. Using the four (4) screws provided, fasten Part B to the location you want to install.
Step 4. After fastening Part B, put Part A in place. Ensure that the holes coincide with the edges to keep them secured. You may adjust the viewing to the desired angle. Then put the black screw in place.