A memory system including asymmetric high-speed differential memory interconnect includes one or more buffer units coupled to one or more memory units such as memory modules, for example, via a parallel interconnect. In a case where the first operation has been detected during the zoom control in a first mode, the control unit performs the zoom control in a second mode until a first time elapses after the first operation has been detected, and, when the first time has elapsed, the control unit switches the second mode to the first mode. The compositions can further include optional ingredients such as surfactants, fragrances, waterproofing agents, and coloring agents. The first coupling member is disposed in the first body. The converging optics may include a parabolic reflector and an aspheric lens. Thereafter, that portion of the display image unrelated to the content requiring adjusted brightness is processed to account for the adjusted intensity of the light source.