input: [EITAS] 1194.25(j.1) [Category] Self Contained, Closed Products [Supporting Features] Not Applicable. BNCollege.com platform does not have operable controls. [Summary of Supported] Not Applicable [Section 508 Rule] 
output: The position of any operable control shall be determined with respect to a vertical plane, which is 48 inches in length, centered on the operable control, and at the maximum protrusion of the product within the 48 inch length (see Figure 1 of this part).