112home network. This setting is suitable for most cases, including use of theRoku mobile app on your smartphone.• Permissive – External control is enabled under all conditions, but acceptscommands only from private network addresses or the same subnetworkwithin your home network. This setting might be required when attemptingto operate the TV from a third-party application, for example, one of theInternet of Things (IoT) applications such as ifttt.com.• Disabled – External control is completely disabled. The TV does not acceptexternal commands from any source, including the Roku mobile app.Using the TV in a home theaterYour TV has several features that make it an ideal TV for a home theater. But youmight not notice them because they remain in the background until you decide to usethem.Turning off the speakersWhen you use your TV with a sound bar or an external amplifier and speakers, you’llprobably want to turn off the internal TV speakers.To turn off the TV’s built-in speakers, in the Home screen menu, navigate to Settings >Audio > TV speakers and change the setting.Tip:The TV’s internal speakers can be enabled and disabled automatically as neededby system audio control, as described in Enable system audio control. Using theheadphone jack also turns off the internal speakers.
