Compression Button (COMP)

Pressing the COMP button while in the CD play mode alternately enables and disables the CD compression feature. When the compression function is enabled, the dynamic (volume) range of the audio signal is reduced by increasing the volume of the low volume passages to compensate for ambient (road) noise. This allows the listener to hear the low volume passages over road noise without increasing the overall volume above the desired level. The COMP indicator will appear on the display when the feature is functional.