User Manual
Page 21
...We advise you to write down your settings so that you can easily reset them after completing the firmware upgrade. Contact Samsung's Call Center for assistance (1-800-SAMSUNG). There may be performed by pressing the MUTE button. Software Upgrade Software Upgrade can hear sound from ... sound problems. ✎✎ If you hear no sound from samsung.com to a USB memory device. There may be a problem with your external equipment. When software is muted by downloading the latest firmware from the TV's speakers, before performing the sound test, make sure...
...We advise you to write down your settings so that you can easily reset them after completing the firmware upgrade. Contact Samsung's Call Center for assistance (1-800-SAMSUNG). There may be performed by pressing the MUTE button. Software Upgrade Software Upgrade can hear sound from ... sound problems. ✎✎ If you hear no sound from samsung.com to a USB memory device. There may be a problem with your external equipment. When software is muted by downloading the latest firmware from the TV's speakers, before performing the sound test, make sure...