1999 Lexus RX 300 Owners Manual - Page 271

AIR CONDITIONING AND AUDIO If a cassette is already in the slot, push the "TAPE" button. Dolby Noise Reduction* feature: If you are listening to a tape that was recorded with Dolby* B or C Noise Reduction, push the button by the double-D symbol until the appropriate symbol appears on the display. The Dolby B NR mode reduces tape noise by about 10 dB. The Dolby C NR mode reduces tape noise by another 10 dB or about 20 dB total. For best sound reproduction, select the same NR mode that was used to record the tape. To play a tape recorded without Dolby NR, push the button until the symbol disappears from the display. * Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. "DOLBY" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. (b) Manual program selection 20R023a 254