Using this BSS BLU - 16 Signal Processor is easy. First, connect it to the correct power supply provided. Make sure the power cord is firmly plugged in. When using, place it in a dry and well - ventilated area to avoid overheating. For maintenance, clean the exterior regularly with a soft cloth. Don't expose it to water or extreme temperatures. If you encounter any problems, check the power connection first and then contact the customer service if needed.