A cost effective apparatus for preparing solutions is provided. An actuator assembly including a shaft constrained by said housing moves along a path from a normal position to an actuated position as well as a momentary position. Useful data is transmitted to the fire alarm control unit between two voltage pulses. A body coupler section is provided for assembling the body to the support member. According to the present invention, an MMCE for multi-mode control is provided to integrate and manage an idle state for each access mode of multi-mode user equipment, thereby minimizing power consumption due to access of the multi-mode UE to a radio access system. According to one aspect of the present invention, a method for checking a file that is associated with a first set of standards and a second set of standards into a repository includes providing the file to a checking arrangement that includes a checking tool and an adapter that is interfaced with the checking tool.