| SYMPTOM | POSSIBLE PROBLEM | SOLUTION | |
| Sound is | Volume level set too high. | Turn the VOLUME knob counterclockwise to lower the volume. | |
| distorted. | 
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| Computer operating system volume level is set | Adjust the computer operating system volume and balance levels to the | ||
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 | too high. | center as a starting point, then adjust the level on the speaker using the | |
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 | volume control. | |
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 | Sound source is distorted. | WAV files are often of poor quality. So distortion and noise are easily noticed | |
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| Radio | Too close to a radio tower. | Move your speakers until the interference goes away. | |
| interference. | 
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| No sound | Bad connection. | Check to make sure that all cables are connected properly and are making a | |
| from subwoofer. | 
 | clear connection. | |
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 | Sound source has little  | Many .WAV and .MID files often have little  | |
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 | flat when you listen to them on a computer. Try a song with more bass — | |
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 | something from your CD collection. | |
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 | Subwoofer volume is too low. | Turn the SUB LEVEL knob clockwise to raise the subwoofer volume. | |
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| Low hum | The AC in your house is at 60 cycles per second, which | Some low hum may be detected when your speaker system is powered on | |
| from subwoofer. | is within the audio frequency of the subwoofer. | without an audio source playing, or when the volume is set at an extremely | |
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 | low level. | |
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| Loud hum | Bad connection. | Unplug the AC power cord from the surge protector (if used), and plug directly | |
| from subwoofer. | 
 | into an AC wall outlet. | |
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 | Move your cables. Check to ensure they are making a clear connection. | |
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 | Volume on your audio source device is set too high. | Disconnect your 3.5mm stereo cable from the audio source. If the loud hum | |
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 | goes away, lower the volume on the audio source. | |
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 | Lower the volume or bass level on your computer, portable device, etc. | |
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 | Subwoofer volume is too high. | Turn the SUB LEVEL knob counterclockwise to lower the subwoofer volume. | |
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| Distorted monitor. | Subwoofer too close to monitor. | Because the subwoofer is not magnetically shielded, it can cause distortion if | |
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 | it’s too close to your monitor. Move the subwoofer so it’s at least 2 feet from | |
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 | your monitor. | |
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