28 EnglishBasic FeaturesSelf Diagnosis✎ Self Diagnostic might take few seconds, this is part ofthe normal operation of the TV.■ Picture Test: Use to check for picture problems.Yes: If the test pattern does not appear or there isnoise in the test pattern, select Yes. There may be aproblem with the TV. Contact Samsung’s Call Center forassistance (1-800-SAMSUNG).No: If the test pattern is properly displayed, select No.There may be a problem with your external equipment.Please check your connections. If the problem persists,refer to the external device’s user manual.■ Sound Test: Use the built-in melody sound to check forsound problems.✎ If you hear no sound from the TV’s speakers,before performing the sound test, make sureSpeaker Select is set to TV Speaker in theSound menu.✎ The melody will be heard during the test even ifSpeaker Select is set to External Speaker or thesound is muted by pressing the MUTE button.Yes: If you can hear sound only from one speaker or notat all during the sound test, select Yes. There may be aproblem with the TV. Contact Samsung’s Call Center forassistance (1-800-SAMSUNG).No: If you can hear sound from the speakers, select No.There may be a problem with your external equipment.Please check your connections. If the problem persists,refer to the external device’s user manual.■ Signal Information: (digital channels only) An HDchannel’s reception quality is either perfect or thechannels are unavailable. Adjust your antenna toincrease signal strength.■ Troubleshooting: If the TV seems to have a problem,refer to this description.✎ If none of these troubleshooting tips apply, contactthe Samsung customer service center.Software UpgradeSoftware Upgrade can be performed by networkconnection or downloading the latest firmware from “www.samsung.com,” to a USB memory device.Current Version - the software already installed in the TV.✎ Software is represented as “Year/Month/Day_Version.”Installing the Latest Version■ By USB: Insert a USB drivecontaining the firmwareupgrade file, downloadedfrom “www.samsung.com,”into the TV. Please be carefulnot to disconnect the poweror remove the USB driveuntil upgrades are complete.The TV will be turned off andon automatically after completing the firmware upgrade.When software is upgraded, video and audio settingsyou have made will return to their default settings. Weadvise you to to write down your settings so that youcan easily reset them after the upgrade.■ By Online: Upgrade the software using the Internet.✎ First, configure your network. For detailedprocedures on using the Network Setup, refer tothe “Network Connection” instructions.✎ If the internet connection doesn’t operate properly,the connection may be broken. Please retrydownloading. If the problem persists, download byUSB and upgrade.■ Alternative Software (backup): Displays the softwareversion downloaded through By Online. During thesoftware upgrading, When the Upgrade will discontinuefrom last step, this function be activated.HD Connection GuideRefer to this information when connecting external devicesto the TV.Contact SamsungView this information when your TV does not work properlyor when you want to upgrade the software. You can findinformation regarding our call centers and how to downloadproducts and software.TV Rear PanelorUSB DriveSoftware UpgradeBy USB By OnlineAlternative Software ----/--/--_-----U Move E Enter R ReturnCurrent Version 2010/01/18_000001