APPENDIXTROUBLESHOOTINGminiCheck to see if there is any object between the product and the remote controlcausing obstruction. Ensure you are pointing the remote control directly at the TV.i,i,iEnsure that the batteries are installed with correct polarity (+ to +, - to -)._,_,_Ensure that the correct remote operating mode is set: TV, VCR etc.ram,Install new batteries.ram,Is the sleep timer set?miniCheck the power control settings. Power interrupted.rT1z_Dx86iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii!i! ! ! !i!iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii i i!ii! ! i! i!Check whether the product is turned on.Try another channel. The problem may be with the broadcast.Is the power cord inserted into wall power outlet?Check your antenna direction and/or location.Test the wall power outlet, plug another product's power cord into the outletwhere the product's power cord was plugged in.This is normal, the image is muted during the product startup process. Pleasecontact your service center, if the picture has not appeared after a few minutes.Adjust Color in menu option.Try unplugging any others electronics that are near by to see if interference iscausing the problem.Try another channel. The problem may be with the broadcast.Are the video cables installed properly?Activate any function to restore the brightness of the picture.Check for local interference such as an electrical appliance or power tool.Station or cable product experiencing problems, tune to another station.Station signal is weak, reorient antenna.Check for sources of possible interference.Check antenna (Change the direction of the antenna).Check HDMI cable over version 1.5.If the HDMI cables don't support HDMI version 1.5, it can cause flickers or noscreen display. In this case use the latest cables that support HDMI version 1.5.