Using the Sony MVS - 8000A video switcher is quite straightforward. First, connect it to a proper power supply using the provided power cable. Then, use the connection cables to link your input and output devices to the 51 inputs and 48 outputs respectively. The system control unit and menu panel help you manage and customize your switching operations. When using, be aware of the minor issues. Although the non - spinning fans on the left side don't seem to cause major problems currently, keep an eye on the temperature of the device. Regarding the cables, check the locking pins regularly. If the bent pins affect the connection, try to gently straighten them. For maintenance, keep the device in a clean and well - ventilated area. Dust can accumulate over time, so clean the exterior and vents occasionally.