1998 Chevrolet Astro Owner's Manual - Page 180

Understanding Radio Reception AM The range for mostAM stations is greater than forFM, especially at night. Thelonger range, however, can cause stations to interfere with each other. AM can pick up noise from things likestorms and power lines. Try reducing the treble to reduce this noise if you ever get it. To help avoid hearing lossor damage: 0 Adjust the volume control to the lowest setting. Increase volume slowly until you hear comfortably and clearly. NOTICE: Before you add any sound equipment to your vehicle like a tape player, CB radio, mobile telephone or two-way radio be sure you can add what you want. If you can, it's very important to do properly. Added sound it equipment may interferewith the operation of your vehicle's engine, Delco Electronics radioor other systems, and even damage them. Your vehicle's systems may interfere with the operation of sound equipment that has been added improperly. So, before adding sound equipment, check with your dealer andbe sure to check Federal rules covering mobile radio and telephone units. FM Stereo FM stereo will give you the best sound, but FM signals will reach only about 10 to 40 miles (16 to 65 km). Tal1 buildings or hills can interfere with FM signals, causing the sound tocome and go. -- -- Tips About Your Audio System Hearing damage from loud noise is almost undetectable until it is too late. Your hearing can adapt to higher volumes of sound. Sound that seems normal can be loud and harmful to your hearing. Take precautionsby adjusting the volume controlon your radio to a safe sound level before your hearing adaDts it. to 3-28