Thank you for purchasing Labtec® Spin™-55 computer speakers. Your Labtec speakers are quick to install, easy to
use and produce great sound.
Connecting the speakers
You can connect your speakers to your computer
soundcard, or to an external audio source, such as
a CD player, cassette tape deck, or radio. Connect
your speakers as shown below: Note: If your
soundcard has both a line level output and a
speaker output, use the line level output.
Adjusting volume for the
first time
• Open your soundcard’s mixer program. In
Windows you’ll find this program by double-
clicking the small speaker icon in the lower right
corner of the screen.
• Set your Labtec speaker volume control to its
center position.
• With a music CD playing, adjust the mixer’s
main volume to 2/3 or greater and center
balance. Close or minimize the mixer program.
• Now use the speaker volume control to adjust
the volume for your system.
Using headphones
You can plug most types of headphones into the headphone jack on the front of the main speaker. When you plug in
headphones, the speakers stop producing sound. To adjust the volume for your headphones, use the controls on the
front of the main speaker.
Troubleshooting
For problems with your computer, consult the user’s guide that came with it.
Speakers produce weak or no sound.
• Is the power light on? Make sure the speakers are connected to the power adapter and the power button is on.
• Is there output from the soundcard? Try connecting the speakers to an alternative audio source - for example, a
CD player, cassette tape deck, or radio. If there’s sound from the speakers, the problem is probably with your
soundcard. If no other sound source is available, try removing the plug from the soundcard and turning the
speaker to maximum volume. You should hear a hum or buzz when you touch the tip of the plug. If you do, the
speaker is ok, and you should check your soundcard setup.
• Are headphones plugged into the speaker? Sound is blocked whenever the headphones are plugged in. Try
removing them to restore sound to the speakers.
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