Embodiments may comprise logic such as hardware andor code to assign or offload Bluetooth applications from the main processor while maintaining the legacy interface to the OS protocol stack and compatibility to legacy Bluetooth applications. Warning indicators such as annual warning indicators and early warning indicators are assigned values and analyzed to determine the stability of a supplier. An inflatable balloon assembly is coupled with the catheter body. According to another aspect of the invention, when a captured image is transformed and displayed, the user is allowed to set the method of transformation and the degree thereof. The diaphragm device includes a rotary ring arranged rotatably in forward and reverse directions around the photographing optical axis and a click member is retained by the rotary ring rotatably only in one direction so as to rotate the diaphragm sheet in one direction. The digital level sensor assembly is particularly useful in bulk chemical refill delivery systems for high purity chemicals employing a manifold that ensures contamination free operation and canister change outs with a minimum of valves and tubing.