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1 2 3 4
6 8 79
5 10 1211
Panel controls and features
1. BASS REMOTE
Attach the included subwoofer remote to independently control the volume
level of the subwoofer.
2. HIGH LEVEL INPUTS
if your head unit does not have RCA outputs, you can use signal from the
speakers as the audio source for the USS8 and USS10. Use the supplied
cable and wire harness and connect the outputs properly as shown in the
connection diagram in this manual.
3. LOW LEVEL RCA INPUTS
Low level inputs are the recommended way to introduce an audio signal to
the subwoofer if RCA outputs are present on your head unit or other signal
source (such as a sound processor).
4. BASS BOOST
The bass boost feature will increase the bass level up 12dB.
5. SUBSONIC FILTER
Use this control to filter out low frequency noise and rumble.
6. INPUT GAIN CONTROL
After you have installed your system, turn this control to minimum.
Turn the head unit on (subwoofer will turn on via the remote connection).
Turn the head unit volume to about 2/3 full level.
Slowly turn up the subwoofer input gain control until you hear a small
amount of distortion.Then reduce the level until the distortion is completely
gone. Leave the control at this setting.
7. POWER TERMINALS
8. LOW PASS FILTER
This control permits you to define the frequency range you want the
subwoofer amplifier to receive. The subwoofer will reproduce all sound
BELOW the frequency you set.
If the rest of your system is weak on the mids, you may wish to set this
control relatively high. If the midrange is well covered by the rest of
your system, you will probably want the subwoofer to only receive
lower frequency signal.
9. AUTO TURN-ON SWITCH
Placing this switch in the ON position will cause the USS8 and USS10
to turn on as soon as you turn on the head unit in your car. If you wish
to turn it on manually, leave this switch in the OFF position.
10. PHASE SHIFT
Use this switch to help compensate for time alignment problems in the
system. Such problems usually result from having the subwoofer at a
different distance from the listener than the other speakers in the
system.
11. POWER STATUS LED
This bi-color LED glows green when power is on and no problems are
present. If protection mode is triggered it will change to red.
12. FUSE
The fuse provides protection for the unit’s circuitry.
The fuses are rated at 20A(USS8) and 25A(USS10). Do not use a fuse
with a different value and NEVER replace the fuse with a wire or coin.
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