Hannspree ST289MUB User Manual - Page 34

4 Troubleshooting English Situation Solution • Connect the power cord properly. • Check if the power LED is on or not. • No picture and sound. • • • No picture, or poor picture, • sound is OK. • Picture is not in color. • • Picture is OK, no sound. • • • One of the speakers has no • sound. Cannot receive some TV • channels using cable TV. Want to reset TV settings. • Cannot operate menus. • Screen image turns over. • • Snow appears on the screen. • • Blurred or overlapped • images. • • • • Remote control doesn't work. • • 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 TV channels. Make sure all cables are connected properly. Check the antenna and cable connections. Adjust the brightness in the OSD menus. Adjust the saturation in the OSD menus. 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. Adjust the balance in the OSD Audio menu. Try the Auto Scan function in the OSD Channel menu. Use the Setup Wizard function in the OSD Setup menu. If OSD items are colored in gray, the system is in a state such that those settings are not available. Make sure the video signal cable is connected properly. Adjust the location of the antenna, placing it far from roads or sources of interference. Check the antenna and the video signal line connections. Adjust the sharpness setting. Choose programs with high quality signals. Adjust the direction of the antenna or change the video signal cable. 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 the sensor is clear. Try operating the remote control at a closer distance to the TV. 34