Important Note On DVB-T: For your safety, please rotate the angle of the display or turn off the display while driving. LCD may have a few bright dots, which is normal for the matrix display technology, and doesn't indicate defects of faults. Please operate instruction manual completely before use. The unit is manufactured with precision elements pay attention to protection against dampness. Prevent the hard object from scratching LCD surface. High voltage inside non-technical authorized person is not allowed to dismantle the unit.