45Support InformationFrequently Asked Questions (FAQ)Questions AnswersSound NetworkingWhy is there no sound comingfrom the TV?Make sure the volume is up and MUTE is off.Confirm the TV speakers are set to ON by pressing MENU andselecting “Audio” --> “Advanced audio”.Check that the correct SAP (Secondary Audio Program) isselected by pressing the SAP button on the remote control.(p. 15)If the TV is connected to a Panasonic Home Theater via HDMIcable, then check VIERA Link controls. (p. 29)If the TV is connected to a Home Theater via optical cable,then: Check the connection, the audio system is on, thecorrect input is selected.Check “HDMI 1 in” or “HDMI 2 in” analog/digital audio settings.Why is the sound unusual,distorted, low volume or inanother language?Check that the correct SAP (Secondary Audio Program) isselected by pressing the SAP button on the remote control.Check that all connections of external equipment connected tothe TV are secure.When using Cable or Satellite box, check the device’s audiosettings. (Example: try changing the box’s Audio Range to‘narrow’)Why is there a clicking, ticking orbuzzing sound coming from theTV unit?When TV power is turned on or shut off there are electricalcomponents that make a click sound. This is normal operation.Changes in the temperature and humidity of the room maycause thermal expansion and contraction that can producesounds. This is not a sign of faulty operation or a malfunction.How do I get “Online Movies” towork on my TV?1. You need a broadband (high speed) Internet service with aspeed of no less than 1.5 Mbps (p. 30).2. Connect the TV to the Internet through your router by anEthernet cable or a Panasonic Wireless LAN Adapter (Optionalaccessory).3. Run the “Connections Test”, under the Network menu.If Connection test fails, then check with your Internet serviceprovider or router/modem manufacturer if there are firewall,content filter or proxy settings that may block the TV fromaccessing the Internet.How do I check for the latestsoftware (firmware) version formy TV?In the main menu, select “Network”. Select “Software update”.The current version and latest version software will be shown.If software update is “grayed out”, the TV is not connectedto the Internet. If newer version is available, update your TV.Follow the on-screen instructions, do not power off the TV untilthe update is complete. Be patient; firmware update may takea while.How do I get the Software updateinformation and downloadperiodically?In the main menu, select “Network”. Highlight “Networksoftware notice”.Make sure that setting is “On”.When the TV is turned On, update message is displayed ifavailable. Follow the direction of the screen to download.Can I use any USB Wi-Fi adapterto connect the TV to my wirelessnetwork?The TV’s internal software is designed to work withPanasonic’s Wireless LAN Adapter. Checkwww.panasonic.com/NetConnect for latest information.