A method and apparatus for system level management to a wireless device using measurements. The pump is driven by a self-contained, closed hydraulic system, activated by an electric, pneumatic or hydraulic motor. The central document is periodically filed with the patent office to form the basis for a patent application pursued by a common assignee. The blind may comprise a plurality of layers to provide the structure, including at least one structural layer located between at least one interior rubber layer and at least one exterior gelcoat layer, the earthen material adhered to the exterior most layer of the hunting blind. One method embodiment comprises storing account-specific configuration data at a device included among a group of devices, the account specific-configuration data capable of being shared among the group of devices common to a single account; and storing device-specific configuration data at the device, the device-specific configuration data not shared among the group of devices. As a result, the lateral resolution of the transparent thin-film is estimated based on the Rayleigh criterion, 0.