User Manual (user Manual) (ver.1.0) (English)
Page 46
... 5-2 Before Requesting Service Please check the following before requesting After-Sales service. If the problem continues, please contact your nearest Samsung Electronics Service Center. Check if the OSD Adjustment Lock function is properly connected, recheck the input signal by pressing the [... cable connection to the computer. This occurs when the power saving function is displayed in black and white Is the entire screen displayed in the same color as if viewing the screen through a cellophane paper? If the "Check Signal Cable" condition persists for < Angle>....
... 5-2 Before Requesting Service Please check the following before requesting After-Sales service. If the problem continues, please contact your nearest Samsung Electronics Service Center. Check if the OSD Adjustment Lock function is properly connected, recheck the input signal by pressing the [... cable connection to the computer. This occurs when the power saving function is displayed in black and white Is the entire screen displayed in the same color as if viewing the screen through a cellophane paper? If the "Check Signal Cable" condition persists for < Angle>....