If a digital signal is detected, the S/PDIF indicator will illuminate.
This indicator is located on the rear of the subwoofer, to the left of
the color-coded satellite jacks.
If a digital signal is detected, which can only happen when the VersaJack
is set to Digital Out in the speaker controls software, the center speaker
will be muted. The LFE (Low Frequency Effects) input channel in the
ADA995 will also be muted. Since this channel is part of the total
mix of sound signals directed to the subwoofer, you probably won't be able
to detect the muting of the LFE channel.
Speakers control software: Remember, almost all speaker controls
are found in your speaker control software. Use the computer keyboard
for system volume adjustments. When problems are encountered, carefully
check all software settings first. Refer to the software documentation
to make sure that settings are correct for the desired output, then restore
defaults. Once software settings are verified and determined to be
correct, proceed with the Table of problems, possible causes, and solutions
below.
Table of problems, possible causes, and solutions
Symptoms
Possible Problem
Solution
No sound
from any speakers
Power is not turned on
Press Power On button
at the rear of the subwoofer.
AC cord is not connected
to wall outlet
Check to see if the LED
is illuminated on the rear of the subwoofer. If not, connect AC power.
Surge suppressor (if
used) is not powered on
If the AC line cord is
plugged into a surge suppressor, make sure the surge suppressor is switched
on.
Mute control on keyboard
is activated
Deactivate the computer
keyboard mute control.
Volume setting is too
low
Raise volume using your
keyboard.
Wall outlet not functioning
Plug another device into
the wall outlet (same jack) to insure it is functioning, or, try plugging
the ADA995 speaker system into a different outlet.
Triple cable is not connected
to Santa Cruz sound card
Refer to the section
Connecting
the Subwoofer to the Santa Cruz sound card in this guide for instructions
on how to connect the subwoofer to the Santa Cruz sound card. Make
sure the three triple cable plugs are inserted firmly into the correct
jacks.
Computer not sending
out signal
Use the diagnostic feature
to determine that the tone is heard through all speakers. If so,
signal from sound card is not present. See Using
the self-diagnostic feature.
Fuse is blown
Power off the ADA995
Multimedia Speaker System. Unplug the subwoofer from the AC outlet.
Check to see if the fuse in the subwoofer is blown. See Replacing
the fuse.
No sound
from subwoofer
Subwoofer
volume is too low
Increase the subwoofer
volume by adjusting the Subwoofer Level control at the back of the subwoofer.
Sound source has very
little low frequency content
If listening to .WAV
files over a computer sound card connection, try listening to a CD on your
computer CD or DVD player. .WAV files often have little low frequency
content. Try a music signal with more bass.
Decrease volume level
using the keyboard volume down button.
Sound source is distorted
.WAV files are often
of poor quality so distortion and noise are easily noticed with high
powered speakers. Try a different sound source like a music CD.
Subwoofer emits loud
humming or buzzing noise
Ground loop
Move the power cord
from the power surge protector (if applicable) and plug directly into an
AC wall outlet. Move your cables and check to see that they are making
a good connection. If you disconnect the triple cable from the Santa
Cruz sound card and the loud hum goes away, then you may need to adjust
the volume control using the keyboard as you may be overdriving the volume
settings on your speaker system.
Power off the ADA995 Multimedia Speaker System using the rocker switch
on the back of the subwoofer. Unplug the subwoofer from the AC outlet.
The fuse is located on the back of the subwoofer (to the right of the
On/Off rocker switch and green LED light). Unscrew the black cap
and visually check to see if the filament is in place. If it is not in
place, then the fuse is blown.
A spare fuse is included with your system. It's ratings are 5.0 amp,
250 vac. Should you need to
purchase another, the replacement fuse is a Radio Shack part # 270-1067.
You may replace the fuse only with a fuse of the same type and value as
this fuse.
Using the self-diagnostic feature
The ADA995 has a built-in diagnostic function to test the operation of
all speakers. This test is usually performed when no sound is detected
from the speakers, and after all other solutions have been tried in the
Table
of problems, possible causes and solutions.
Locate the DIAG OUT jack on the back of the
subwoofer. This connection
is used with the plugs on the subwoofer's triple cable. To use this
function:
Disconnect lime green, black and yellow signal cable plugs from the Santa
Cruz Sound Card (found in the back of your Dell PC). You will now test
each plug of the triple cable separately.
Note: Do not touch the exposed ends of
the triple cable plugs with your fingers during this procedure. Because
the subwoofer is powered on, touching the plug ends may cause an unexpected
loud buzz.
Insert the lime green plug into the DIAG OUT jack on the back of the subwoofer.
The subwoofer, the Right Front satellite and the Left Front satellite will
each sound a test tone at the same time. The subwoofer's tone will be a
lower frequency than the test tone sounded through the satellites. If either
of the satellites fails to sound the test tone, check its cable connection
to the subwoofer. Make sure each color coded plug (orange for Right Front
speaker, brown for Left Front speaker) is fully inserted. Retest.
Insert the black plug into the DIAG OUT jack on the back of the subwoofer.
The subwoofer, the Left Rear satellite and the Right Rear satellite will
each sound a test tone at the same time. The subwoofer's tone will be a
lower frequency than the tone sounded through the satellites. If either
of the satellites fails to sound the test tone, check its cable connection
to the subwoofer. Make sure each color coded plug (purple for Right Rear
speaker, gold for Left Rear speaker) is fully inserted. Retest.
Insert the yellow plug into the DIAG OUT jack on the back of the subwoofer.
The subwoofer and the Center speaker will each sound a test tone
at the same time. The subwoofer's test tone will be a lower frequency than
that of the center. If the center channel speaker fails to sound the test
tone, check its cable connection to the subwoofer. Make sure the cyan plug
is fully inserted. Retest.
If any satellites or if the subwoofer does not play a test tone, and if
all troubleshooting checks and solutions for "No sound from speakers" have
been performed, please contact Dell Technical Support.
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