1998 Chevrolet Blazer Owner's Manual - Page 167
1998 Chevrolet Blazer Manual
Page 167 highlights
AM-FM Stereo with Cassette Tape and Automatic Tone Control (If Equipped) SCV Your system has a feature called Speed-Compensated-Volume (SCV). With SCV, your audio system adjusts automaticallyto make up for road and wind noise as you drive. the volume at the Set desired level. Move the control ring behind the upper knob to the right to adjust the SCV. Then, as you drive, SCV automatically increases thevolume, as necessary, to overcome noise at any particularspeed. The volume level should always sound the same to youas you drive. If you don't want to useSCV, turn the control all the way down. Each notch on the control ring allowsfor more volume compensation at faster vehicle speeds. Finding a Station Playing the Radio AM-FM: Press this button to switch between AM, FMl and FM2. The display will show your selection. PWR-VOL: Press this knobto turn the system on and off. To increase volume, turn the knob to the right. Turn it to the left to decreasevolume. The knob is capable of being rotated continuously. RECALL: Display the time with the ignition offby pressing this button. When the radio is playing, press this button to recall the station frequency. TUNE: Press this knob lightlyso it extends. Turn it to choose radio stations. Push the knob back into its stored position when you're not using it. SEEK: Press the right arrow to tune to the next higher station and the left arrow tune to the next to lower station and stay there.The sound will mute while seeking. 3-15