Altec Lansing VS3121 System Specifications, Troubleshooting, Symptom, Possible Problem, Solution

SYSTEM SPECIFICATIONS*

Altec Lansing’s superior sound comes from our patented Dynamic EQ technology, which utilizes custom-built, high-fidelity drivers, state-of-the-art equalization circuitry, and a harmonious mix of the following specifications:

Sound Pressure Level (SPL):	99 dB	POWER REQUIREMENTS
Total Continuous Power:	30 Watts RMS	USA, Canada and applicable
		Latin American countries:	120 V AC @ 60 Hz
• Front Speakers:	6 Watts/channel @ 4 ohms
	@ 10% THD @ 150 – 18000 Hz
	2 Channels Loaded	Europe, United Kingdom,
• Subwoofer:	18 Watts @ 8 ohms	applicable Asian countries,
	@ 10% THD @ 30 – 150 Hz	Argentina, Chile and Uruguay:	230 V AC @ 50 Hz
	Single Channel Loaded
		ETL/cETL/CE/NOM Approved
System Response:	40 Hz - 20 kHz (-10 dB)
Signal to Noise Ratio
@ 1 kHz input:	> 75 dB
Drivers (per satellite):	Two 2" full-range driver
Subwoofer:	One 5.25" woofer

*Power rating conforms to FTC Amplifier Rule #16 C.F.R. Part 432.

TROUBLESHOOTING

SYMPTOM	POSSIBLE PROBLEM	SOLUTION
No LEDs are lit.	Power isn’t turned on.	Turn the VOLUME knob on the control pod until you hear a click sound.
		An LED will light on the control pod when the power is ON.
	AC power cord isn’t connected to the wall outlet.	Check to see if the “Power On” LED is illuminated on the control pod. If not,
		connect AC power.
	Surge protector (if used) isn’t powered on.	If the AC power cord is plugged into a surge protector, make sure the surge
		protector is switched on.
	Wall outlet not functioning.	Plug another device into the wall outlet (same jack) to verify the wall outlet
		is working.
No sound from	Power isn’t turned on.	Verify the AC power cord is plugged into the wall outlet.
one or more
		Turn the VOLUME knob on the control pod until you hear a click sound.
speakers.
		An LED will light on the control pod when the power is ON.
	Volume is set too low.	Turn the VOLUME knob clockwise to raise the volume.
		Check volume level on the computer sound card or alternate audio source
		device, and set at mid-level.
	3.5mm stereo cable isn’t connected to audio source.	Check plug connections on the audio source. Make sure the signal cables are
		inserted firmly into the correct jacks.
	3.5mm stereo cable is connected to wrong output on	Make sure the 3.5mm stereo cable is connected and fully inserted into the
	audio source.	“line-out,” “audio-out,” or the headphone jack of the audio source.
	Problem with audio source device.	Test the speakers on another audio device. Remove the 3.5mm stereo cable
		from the audio source device and connect it to the “line-out,” “audio-out,”
		or the headphone jack of another audio source.
Crackling sound	Bad connection.	Check all cables. Make sure they are connected to the “line-out” or “audio-out”
from speakers.		jack on your sound card or other audio source — NOT “speaker-out.”
	Volume level in computer operating system is set too	Check the computer operating system volume level and decrease it if necessary.
	high.
	A problem with your audio source device.	Unplug the stereo cable from the audio source. Then plug it into the
		headphone jack of an alternate audio source (e.g., Walkman, Discman or
		FM radio).

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