Operation CHARM
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GMC Truck
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1998
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Savana 1/2 Ton Van V8-5.7L VIN R
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Repair and Diagnosis
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Accessories and Optional Equipment
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Radio, Stereo, and Compact Disc
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Description and Operation
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Radio Controls
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Setting the Tone
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BASS
BASS
1.
Slide the BASS lever up in order to increase the bass response.
2.
Adjust the BASS lever down in order to decrease the bass response.