Welch Allyn Connex Integrated Wall System - User Manual - Manual (Page 29)

5. Hang wall system on the mounting rail bracket.
WARNING Ensure that the ribs on the back of the wall system
fully engage the mounting rail bracket. The wall system should be
level and flush to the wall.
6. Select one of the three available slots at the bottom of the unit that overlaps a stud, and
secure the unit to the stud with the remaining screw.
WARNING Failure to install this security screw may result in
personal injury and equipment damage.
Directions for use Setup 23