Using this system is easy. First, connect the power supply to the system properly to make sure it gets power. When using it for replay or time - shift functions, select the right mode on the control panel. Be careful not to expose the system to extreme temperatures or humidity as it can affect its performance. For maintenance, keep the system clean by using a soft, dry cloth to wipe it regularly. Check the power supply cords occasionally to ensure there are no damages. If you encounter any problems, contact the customer service team for help.