Samsung UN40D5550RF User Manual (user Manual) (ver.1.0) (English) - Page 60

■■ Speaker Settings ●● Speaker Select (External Speaker / TV Speaker) If you are listening to the sound track of a broadcast or movie through an external receiver, you may hear a sound echo caused by the difference in decoding speed between the TV's speakers and the speakers attached to your audio receiver. If this occurs, set the TV to External Speaker. NN When you set Speaker Select to External Speaker, the TV's speakers are turned off. You will hear sound through the external speakers only. When ◀ you set Speaker Select to TV Speaker both the TV's speakers and the ▶ external speakers are on. You will hear sound through both. NN When Speaker Select is set to External Speaker, the VOLUME and MUTE buttons will not operate and the sound settings will be limited. NN If there is no video signal, both the TV's speakers and the external speakers will be mute. English