1998 Buick Riviera Owner's Manual

Setting the ToneBASS: Press this knob lightly so it extends. Turn theknob to increase or decrease bass.TREB: Press this knob lightly so it extends. Turn theknob to increase or decrease treble. If a station is weakor noisy, you may want to decrease the treble.Push these knobs back into their stored positions whenyou’re not using them.TONE: This feature allows you to choose preset bassand treble equalization settings designed for classical,pop, rock, jazz, talk and country/western stations.CLASS will appear on the display when you first pressTONE. Each time you press it, another setting willappear on the display.!Press it again after C & Wappears and MANUAL will appear. Tone control willreturn to the BASS and TREB knobs. Also, if you usethe BASS and TREB knobs, control will return to themand MANUAL will appear.Adjusting the SpeakersBAL: Press this knob lightly so it extends. Turn the knobto move the sound to the left or right speakers. The middleposition balances the sound between the speakers.FADE: Press this knob lightly so it extends. Turnthe knob to move the sound the to front or rear speakers.The middle position balances the sound betweenthe speakers.Push these knobs back into their stored positions whenyou’re not using them.Playing a Cassette TapeThe longer side with the tape visible should face to theright. If the ignition and the radio are on, the tape can beinserted and will begin playing. If you hear nothing orhear a garbled sound, the tape may not be in squarely.Press EJECT to remove the tape and start over.While the tape is playing, use the VOLUME, FADE,BAL, BASS and TREB controls just as you do for theradio. Other controls may have different functions whena tape is inserted. The display will show an arrow toshow which side of the tape is playing.If you want to insert a tape when the ignition or is radiooff, first press EJECT or RECALL.Your tape bias is set automatically.3-12