System Specifications; Troubleshooting - Altec Lansing SR4021 User Manual

System Specifications

Altec Lansing's superior sound comes from our proprietary 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)
Total Continuous Power
• Main Speaker unit
• Subwoofer
Frequency Response (System)
Signal to Noise Ratio @ 1 kHz input

Troubleshooting

Symptom Possible Problem
No Power Power cord isn't connected to a wall outlet.
LED lit.
Surge protector (if used) isn't powered on.
Wall outlet is not functioning.
The small speaker unit is not connected to the
larger subwoofer unit.
No sound The SIRIUS home antenna is not getting a signal.
from speakers.
Volume is set too low.
The SR receiver is not correctly seated into the
docking station.The SIRIUS receiver is not
correctly seated into the docking station.
The SIRIUS receiver is properly docked and the
SR4021 system's blue LED is lit, but the SIRIUS
receiver is in the "mute" mode.
Sound is Volume level on SR4021 system is set too high.
distorted.
97 dB
22 Watts RMS
6 Watts/channel @ 4 ohms @ 10% THD @ 150 Hz – 20 kHz
2 Channels Loaded
10 Watts @ 8 ohms @ 10% THD @ 40 – 150 Hz
Single Channel Loaded
40 Hz – 20 kHz (-10 dB)
> 70 dB
Solution
Plug the power cord into a wall outlet.
If the power cord is plugged into a surge protector, make sure the surge
protector is switched on.
Plug another device into a wall outlet (same outlet) to confirm the outlet
is working.
Insert the DIN cable from the smaller speaker unit into the input marked
"DIN" on the back of the larger subwoofer unit.
Make sure the antenna points south outdoors or through a window.
Specific instructions and tips on how to improve signal reception can be
found in your SIRIUS receiver user's guide or by visiting SIRIUS' website at
www.sirius.com or www.siriuscanada.ca.
The VOLUME knob on the SR4021 receiver controls the master volume.
Turn the knob clockwise to increase the volume.
Remove SIRIUS receiver and re-seat it in the docking station.
Turn off the "mute" function on the SIRIUS receiver by pressing the mute
button on the receiver or your remote control.
The VOLUME knob on the smaller speaker unit controls the master
volume. Turn the knob counter-clockwise to decrease the volume.
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