1993 Cadillac DeVille Owner's Manual - Page 164

c Delco Bose System Does your Cadillac have this Delco-Bose system? r - If it does, then please keep reading here. not, then please turn ahead If to the part that describes your system. Setting the Tone BASS Move this lever up to hear more bass. TREBLE Move this lever up to hear more treble. For the clearest sound, keep both these all the way up. If a station is of weak and noisy, you can move TREBLE down to reduce the noise. DNR@* This is the Dynamic Noise Reduction button. It helps remove background hiss noise from the radio or tape player. You may wantto leave it pushed inall the time. 7 - - - *DNR@ a registered trademarkof National Semiconductor is Corporation. 151