Filter
Top Products
Document Number: 950-0042 Description: MANUAL, JBL 4.1, All languages
Revision: 06
Muting
Turning the volume control knob completely counter-clockwise mutes the system.
Controls on the Subwoofer
Bass - Turn the knob marked Bass clockwise to increase the subwoofer level or counterclockwise to decrease the subwoofer
level.
Treble – Turn the knob marked Treble clockwise to increase the treble level or counterclockwise to decrease the treble level.
Troubleshooting
SYMPTOM
POSSIBLE PROBLEM
SOLUTION
NOTE
No power to unit. Make sure wall power
outlet or power strip has
power. Make sure all
switches for outlet/power
strip are on and that all
switches for speaker
system are on.
Check green power LED on
the sub. Are the LED’s on?
If the sub’s led is not on,
power is not getting to your
speaker system. Try the
solutions shown.
No sound from Speakers
Is the control/right satellite of
your INVADER plugged in
correctly?
Ensure that the control
speaker connector is
pushed in properly.
Remove the control /right
speaker connector from
the subwoofer, then re-
connect this cable
ensuring that the
connector is pushed in
properly.
There is an LED located in
the bottom of each of the
two satellite speakers.
These should both be lit. If
they are, your speakers are
both plugged in correctly.
Noise may be caused by
interference from the
monitor.
Turn monitor off to see if
noise is eliminated. Move
speaker cables farther
away from monitor.
Speaker is being overdriven
by an amplified audio
source.
Ensure that speaker is
connected to the
appropriate receptacle.
Check color-coding on
connectors when making
connections. Make sure
that all signal cables are
inserted snugly into
receptacles.
Volume level on sound card
may be too high.
Check volume of sound
card via Windows Volume
Control.
Distortion (static, crackling
or hissing sounds)
Sound card or audio source
material may be cause of
problem.
Check speakers with
another audio source.
Disconnect speaker input
cable (green connector)
from sound card and plug
into CD ROM headphone
jack. If static is eliminated,
troubleshoot the soundcard.
Treble
Bass