A hot contact adapter for use with portable computing devices, such as laptop, notebook and tablet computers, PDA’s and gaming devices, is disclosed. During this process the molten material is brought into contact with the coating on the mold surface, the thickness of said coating being selected in coordination with the heat penetration coefficient of the coating material such that a specified 60\xb0 gloss level andor color value L is obtained for the injection-molded part. The VSB reception system also includes a supplemental data processor for processing the supplemental data segment from the demultiplexer in a reverse order of the transmission system, to obtain the supplemental data, thereby carrying out the slicer prediction, decoding, and symbol decision more accurately by using the predefined sequence, to improve a performance.