An apparatus and a method for generating and outputting stereoscopic images. A device access management system may facilitate communication about a change event to the remote devices. Waste fluid pressure is sensed in the waste removal line. A plurality of cross walls at which 1 or 2 or more of vent holes are provided are arranged in the mechanism. The surge relief apparatus also includes a hydraulic accumulator in fluid communication with the control valve along with a surge relief valve in fluid communication with the accumulator. An operation member has a pawl end and a pushing end, wherein the pawl end is engaged with the first gear set to stop rotation of the first gear set and when the pushing end is pushed by the user, the pawl end is disengaged from the first gear set.