Sound issueThere is an echo sound coming from the speakers. Different decoding speeds between the product speakers and external speakers can cause an echo.In this case, set Speaker Settings to External.Remote control issueThe remote control does not work. Make sure that the batteries are correctly in place (+/-).Check if the batteries are flat.Check for power failure.Make sure that the power cord is connected.Check for any special lighting or neon signs switched on in the vicinity.Source device issueA beeping sound is heard when my PC is booting. If a beeping sound is heard when your PC is booting, have your PC serviced.

Samsung DB32D User Manual