HANNspree ST251MKB User Manual

Contents

33English4 TroubleshootingSituation SolutionNo picture and sound.• Connect the power cord properly.• Check if the power LED is on or not.• Press on the control panel or remote control.• press INPUT to cycle through connected video sources.• Press channel up or channel down to switch to other TVchannels.• Make sure all cables are connected properly.No picture, or poor picture,sound is OK.• Check the antenna and cable connections.• Adjust the brightness in the OSD menus.Picture is not in color. • Adjust the saturation in the OSD menus.Picture is OK, no sound.• Make sure the source device is functioning properly.• Make sure the audio cable is connected securely.• Turn the mute off.• Press volume up on the control panel or remote control.One of the speakers has nosound.• Adjust the balance in the OSD Audio menu.Cannot receive some TVchannels using cable TV.• Try the Auto Scan function in the OSD Channel menu.Want to reset TV settings. • Use the Setup Wizard function in the OSD Setup menu.Cannot operate menus. • If OSD items are colored in gray, the system is in a statesuch that those settings are not available.Screen image turns over. • Make sure the video signal cable is connected properly.Snow appears on the screen.• Adjust the location of the antenna, placing it far fromroads or sources of interference.• Check the antenna and the video signal line connections.Blurred or overlappedimages.• Adjust the sharpness setting.• Choose programs with high quality signals.• Adjust the direction of the antenna or change the videosignal cable.Remote control doesn’t work.• Make sure the battery is inserted correctly.• Replace the battery with a new one.• Make sure the TV power cord is plugged in securely.• Make sure the path between the remote control and thesensor is clear.• Try operating the remote control at a closer distance tothe TV.