Altec Lansing ADA 70 DIGITAL POWERCUBE User Manual page 8

Multimedia speaker system
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ADA70 Troubleshooting
SYMPTOMS
POSSIBLE PROBLEM
Distortion
Volume level may be too high and
(i.e. static,
causing speaker to be overdriven
crackling,
hissing)
Audio Streaming may not be turned
on.
Sound card or specific sound file/track
may be incorrect.
No Sound From
No power to unit.
Speakers
Volume level on sound card or other
audio source may be too low.
Subwoofer
Signal cable is not completely inserted
Emits Very Loud
into signal jack on subwoofer or
Humming/
speaker.
Buzzing Noise
SOLUTION
Make sure speaker is connected to
line-out jack (unamplified) and not
speaker-out jack (amplified); refer to
color-coding when making
connections. Figure 2
Check volume levels on Windows 98
Speaker control dialog box or controls
on right satellite speaker and adjust if
necessary. Figure 4
Be sure that USB Cable is securely
seated into computer and ADA70
Speaker System Unit. Figure 2
IF USB device has been previously
loaded
for
another
equipment.
Be sure directory is correctly indicated.
Check speakers with another audio
source (CD-ROM player) to see if
specific file/track may be problem.
Be sure neither bass or tremble buttons
are depressed when adjusting volume.
Figure 4
Be sure USB Audio Device has been
selected.
Make sure signal cables are inserted
snugly into signal jacks. Figure 2
ADA70 Digital POWERCUBE
NOTE
Depending on your sound card, you may also turn off
amplifier on sound card (check your sound card manual).
If this product is placed too close to a high level source of RF
energy, RF breakthrough may be experienced which can
cause some audio disturbance. If this happens, move the
product as far away as possible from the source until the
disturbance is eliminated. Using an audio input cable with a
high percentage of shielding is also helpful in reducing or
eliminating interference.
Check with an alternate audio source as mentioned above.
For this check, disconnect speakers from sound card and plug
into headphone jack on front of CD-ROM player or alternate
line-level audio source.
Provided power has been verified, it is possible to test the unit
piece
of
by pulling out the audio cable that is connected to the
computer and connecting it to an alternate audio source such
as a portable CD player.
Check with an alternate audio source as mentioned above.
If need be, turn cable slightly when inserting to ensure
complete contact.
Depending on your sound card, you may also turn off
amplifier on sound card (check your sound card manual).
TM

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