A rowing trainer includes a frame, and a seat affixed to the frame. An inflow passage that allows the openings to communicate with the outside is arranged between the two walls. The message bars are spaced between the chimes so that a striker is free to contact each chime. A request for checkout completion information by the webstore is encoded in the graphical checkout identifier, which is transmitted to the webstore for display. The operations center server prompts the installer with a series of prompts to obtain equipment installation information. The inner and outer cam mating ends have cam bores and inner and outer cam mating end ramps that cooperate to alternately engage and release the pin rod dowel from the cam interior such that the latch is respectively placed in the latched and unlatched positions during reciprocation of the pin rod shaft through the cam bore.