1994 Chevrolet Astro Owner's Manual - Page 136

Engine Coolant Heater If you use the optional engine coolant heater before starting your engine, your heating system will produce warmer air to heat the passenger faster compartment in cold weather. See "Engine Coolant Heater" in the Index. Audio Systems Your Delco@audio system has been designed tooperate easily and give years of listening pleasure. But you will the most enjoyment out of if get it, you acquaint yourself with it first. Find out what your Delco@system can do and how tooperate all its controls, to be sure you're getting the most out of the advanced engineering that went it. into Be aware that hearing damage from loud noise almost undetectable until is it is too late. Your hearing can adaptto higher volumesof sound. Sound that seems normal canbe loud and harmful to your hearing. Take precautions by adjusting the volume control on your radio to a safe sound level before your hearing adapts to it. To help avoid hearing loss or damage: 0 Adjust the volume control to the lowest setting. Increase volume slowly until you hear comfortably and clearly. 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). Tall buildings or hills can interfere with FM signals, causing the soundto come and go. The range for most AM stations is greater than for FM, especially at night. The longer range, however, cancause stations to interfere with each other. AM can pick up noise from things likestorms and power lines. Try reducing the treble to reduce this noiseif you ever get it. AM Stereo This means the Delco@system can receive C-QUAM@ stereo broadcasts. Many AM stations around the country use C-QUAM@ to produce stereo, though some do not. (C-QUAM@ isa registered trademark of Motorola, "STEREO" light will Inc.) If your Delco@system can get C-QUAM@, your come on when you're receivingit.