43ENGOnce you have connected up your various audio and video systems,you can view the different sources by selecting the appropriate input.1 Check that all the necessary connections have been made (referto pages 39 and 40 for further details).2 Switch the television on and if necessary, press the VIDEO button( ) one or more times until the required input is displayed.➢ Depending on the source selected, the pictures may appearautomatically.➢ To watch television programmes again, press the TV button( ) and select the number of the channel required.Viewing Pictures From External SourcesTroubleshooting: Before Contacting Service PersonnelBefore contacting Samsung after-sales service, perform the following simple checks.If you cannot solve the problem using the instructions below, note the model and serial number of thetelevision and contact your local dealer. Check that the mains lead has been connected to a wall socket. Check that you have pressed the ON/OFF button ( ) and thePOWER button ( ). Check the picture contrast and brightness settings. Check the volume. Check the volume. Check whether the volume MUTE button ( ) has been pressedon the remote control. Adjust the colour settings. Check that the broadcast system selected is correct. Try to identify the electrical appliance that is affecting the televisionand move it further away. Plug your television into a different mains socket. Check the direction, location and connections of your aerial.This interference is often due to the use of an indoor aerial. Replace the remote control batteries. Clean the upper edge of the remote control (transmission window). Check the battery terminals. This button is only operational with an AV-Link VCR. If you have anordinary VCR, it has no effect. You must use the Record button onyour VCR remote control. Check that your AV-Link VCR has been correctly connected.No sound or pictureNormal picture but no soundNo picture or black and white pictureSound and picture interferenceBlurred or snowy picture,distorted soundRemote control malfunctionsThe Record button ( ) does not work