1998 Chevrolet Blazer Owner's Manual - Page 172

AM-FM Stereo with Compact Disc Player and AutomaticTone Control (If Equipped) SCV Your system has a feature called Speed-Compensated-Volume (SCV). With SCV, your audio system adjusts automatically to make up for road and wind noise as you drive. Set the volume at the desired level. Move the control ring behind the upper knob to the right to adjust the SCV. Then, as you drive, SCV automatically increases the volume, as necessary, to overcome noise at any particular speed. volume The level should always sound the sameto you as you drive. If you don't wantto use SCV, turn the control all the way down. Each notchon the control ring allows for more volume compensation atfaster vehicle speeds. Finding a Station AM-FM: Press this button to switch between AM, FM1 and FM2. The display will show your selection. TUNE: Press this knob lightlyso it extends. Turn it to choose radio stations. Push the knob back into stored its position when you're not usingit. SEEK: Press the right arrow to tune to the next higher station and the left arrow to tune to the next lower station and stay there.The sound will mute while seeking. Playing the Radio PWR-VOL: Press this knobto turn the system on and off. To increase volume, turnthis knob to the right. Turn it to the left to decrease volume. The knob capable of is rotating continuously. RECALL: Display the time with the ignition off by pressing this button. When the radio is playing, press this button to recall the station frequency. 3-20