Chapter 4 69Using the TV’s Menu SystemFixed/Variable OutThe Fixed/Variable Out menu displays a choice list that lets you turn the TV’sfront internal and external speakers on or off and set the Fixed/Variable audiooutput to a fixed- or variable-control level. The choices are:• Variable Output, Speakers On This setting turns the TV’s front speakersOn and allows variable output from the TV’s Fixed/Variable Audio Outputjacks. Use this setting if the TV is not connected to an audio receiver oramplifier and the volume is controlled by the TV.• Variable Output, Speakers Off This setting turns the TV’s front speakersOff and allows variable output from the TV’s Fixed/Variable Audio Outputjacks. Use this setting if the TV is connected to an audio receiver or amplifierand the volume is controlled by the TV.• Fixed Output, Speakers Off This setting turns the TV’s front speakers Offand provides fixed output from the TV’s Fixed/Variable Audio Output jack toa receiver or amplifier. With the Fixed Output, the TV’s volume control,graphic equalizer, and mute are disabled. This output is ideal whenconnecting to an audio receiver or amplifier that has its own remote controlfor controlling the volume.Note: If the Internal Speaker source switch on the back of the TV is set toEXT AMP, it overrides any above setting of Speakers Off and allows theinternal speakers to be used as a center speaker input.Digital Audio OutIf you’ve connected a six-channel receiver to the TV’s DIGITAL AUDIO OUTPUTjack with a digital optical cable, you can receive Dolby Digital* surround soundif transmitted. Choose the correct setting in the Digital Audio Out menu:• Auto Select If selected, your TV automatically chooses between DolbyDigital and PCM based on the audio signal it is receiving. This is the bestselection if you have a decoder with Dolby Digital* and PCM that wasmanufactured in the last several years.• PCM (Pulse Code Modulation) If selected, the TV sends all signals throughthe Digital Audio Output in PCM.SubwooferThe built-in Subwoofer enhances low-frequency audio. The Subwoofer settingcan only be changed if the Fixed/Variable audio output is set to the VariableOutput. The choices are: Subwoofer On or Subwoofer Off.Note: The Subwoofer setting turns Off when Variable Out, Speakers Off isselected in the Fixed/Variable Out menu.SubwooferSubwoofer9Digital Audio Out8Fixed/Variable Out7Balance6SAP5Audio Language4Sound Logic3Audio Processor2Equalizer Presets1Go Back0Main Menu AudioPress or to point to an option, then press OK to select it.Press to return to the Audio menu.This TV has a subwoofer built into it which can be turned onor off. A subwoofer enhances low-frequency audio. To addmore bass to the audio, set the low-frequency sliders in theGraphic Equalizer screen to a higher setting.A change in this screen is applied to all inputs.Subwoofer OnSubwoofer OffSubwoofer9Digital Audio OutDigital Audio Out8Fixed/Variable Out7Balance6SAP5Audio Language4Sound Logic3Audio Processor2Equalizer Presets1Go Back0Main Menu AudioPress or to point to an option, then press OK toselect it. Press to return to the menu.Choosing Auto Select will send a Dolby Digital signal (whenavailable) out of the DIGITAL AUDIO OUTPUT on the back ofthe TV. If Dolby Digital is not available then a PCM signal issent out of the DIGITAL AUDIO OUTPUT.Choosing PCM will always send a PCM signal out of theDIGITAL AUDIO OUTPUT.A change in this screen is applied to all inputs.PCMAuto Select*Manufactured under license from Dolby Laboratories. “Dolby” and the double-D symbol are trademarks of Dolby Laboratories.Subwoofer9Digital Audio Out8Fixed/Variable OutFixed/Variable Out7Balance6SAP5Audio Language4Sound Logic3Audio Processor2Equalizer Presets1Go Back0Main Menu AudioPress or to point to an option, then press OK toselect it. Press to return to the menu.Use Variable Output if volume will be controlled by the TV.Use Fixed Output when connecting to an audio receiver oramplifier with its own remote control for volume control.Note: If the INTERNAL SPEAKER SOURCE switch on the back ofthe TV is set to EXT AMP, it will override any above settingof "Speakers Off" and allow the internal speakers to be usedas a center-audio input.A change in this screen is applied to all inputs.Fixed Output, Speakers OffVariable Output, Speakers OffVariable Output, Speakers On