An invention is provided for gate training in memory interfaces. The assembly comprises an elongated outer sleeve arranged to pinch any thickness wall structure and an elongated delivery bolt arranged to be received through the outer sleeve. The eNB downlink signal is distributed in synchronization through the LTE-CD to all WBRTs for downlink simulcast transmission to all UEs in the coverage area. The controller communicates ejection data to the ejection nozzles in accordance with a cumulative correction factor for each printhead module, including printhead modules having non-rotationally displaced nozzles, to at least partially compensate for the rotational displacement. The second device captures the image using an image sensing device. A clutch is arranged in an electrically parallel relationship and configured to operably connect the motor to the auxiliary power unit when engaged, the motor and the clutch powered by a common input line.