Altec Lansing VS4121 manual Symptom Possible Problem Solution

SYMPTOM	POSSIBLE PROBLEM	SOLUTION
No sound from	Bass volume is set too low. Sound source has little	Adjust the bass level on the front of the right satellite. Many .WAV and .MID
subwoofer.	low-frequency content.	files often have little low-frequency content and sound flat when you listen
		to them on a computer. Try a song with more bass—something from your
		CD collection.
Radio	Too close to a radio tower.	Move your speakers to see if the interference goes away. If not, you may be
interference.		able to purchase a shielded stereo cable from your local electronics store.
Low hum from	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
subwoofer.	is within the audio frequency of your subwoofer.	without an audio source playing, or when the volume is set at an extremely
		low level.
Loud hum from	Bad connection.	Unplug the power cord from the surge protector (if used), and plug directly
subwoofer.		into an AC wall outlet.
		Move your cables. Check to ensure they are making a clear connection.
	Volume on your audio source set too high.	Lower the volume or bass level on your computer, portable audio device, etc.
Not enough bass	Check the volume on audio source.	Increase the volume on the audio source.
from subwoofer.
	Bad connection.	Check to make sure all cables are connected properly and are making a
		clear connection.
	Bass setting is too low.	Increase bass level on front of right satellite.
Too much bass	Bass setting is too high.	Decrease the bass level on front of the right satellite.
from subwoofer.
Distorted	Subwoofer too close to monitor.	Because the subwoofer is not magnetically shielded, it can cause distortion if
monitor.		it’s too close to your monitor. Move the subwoofer so it’s at least 2 feet from
		your monitor.

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