Operating Instructions

18GB
Listening Position (listening position)
Front/Rear Position (front/rear position)
Simulates a natural sound field by delaying the
sound output from speakers to suit your
position:
 [Front Left] (front left), 
 [Front Right] (front right), 
 [Front] (center front), 
 [All] (center of your car), 
[Custom] (position set by “Advanced car audio
setting” of “Sony | Music Center”)
[OFF] (no position set)
Adjust Position (adjust position)
Fine-tunes the listening position setting: [+3] –
[Center] – [-3].
(Available only when [Front/Rear Position] is not
set to [Off] or [Custom].)
Subwoofer Position (subwoofer position)
 [Near] (near), 
 [Normal] (normal), 
 [Far] (far)
(Available only when [Front/Rear Position] is not
set to [Off] or [Custom].)
Balance (balance)
Adjusts the sound balance: [15] – [0] – [-15].
Alternatively, adjust the setting point to the left/
right in the “BAL/FAD/SW Level” setting of
“Advanced car audio setting”.
Fader (fader)
Adjusts the relative level: [15] – [0] – [-15].
Alternatively, adjust the setting point to up/
down in the “BAL/FAD/SW Level” setting of
“Advanced car audio setting”.
Subwoofer Level (subwoofer level)
Adjusts the subwoofer volume level: [-11.0] –
[0.0] – [10.0].
Alternatively, touch SW Level +/– in the “BAL/
FAD/SW Level” setting of “Advanced car audio
setting”.
Precautions
 This unit is designed for negative ground (earth)
12 V DC operation only.
 Us
e speakers with an impedance of 2 Ω to 8 Ω
(SUB), and 4 Ω to 8 Ω (FRONT/REAR).
 Do no
t connect any active speakers (with built-in
amplifiers) to the speaker terminals of the unit.
Doing so may damage the active speakers.
 A
void installing the unit in areas subject to:
– high temperatures such as from direct sunlight
or
hot air from the heater
–rain or moisture
–dust or dirt.
 I
f your car is parked in direct sunlight and there is
a considerable rise in temperature inside the car,
allow the unit to cool down before use.
 Wh
en installing the unit horizontally, be sure not
to cover the fins with the floor carpet, etc.
 I
f this unit is placed too close to the car audio unit
or antenna (aerial), interference may occur. In this
case, relocate this unit away from the car audio
unit or antenna (aerial).
 I
f no power is being supplied to the car audio
unit, check the connections.
 T
his power amplifier employs a protection circuit*
to protect the transistors and speakers if the
amplifier malfunctions. Do not attempt to test the
protection circuits by covering the heat sink or
connecting improper loads.
 Do
not use the unit on a weak battery as its
optimum performance depends on a good power
supply.
 F
or safety, keep your car audio unit volume
moderate so that you can still hear other sounds.
* Protection circuit
This amplifier is provided with a protection circuit that
op
erates in the following cases:
– when the unit overheats
– when a DC current is generated
– when the speaker terminals are short-circuited.
The POWER/PROTECTOR indicator will blink, and the
un
it will shut down. If this happens, take out the
cassette tape or disc, turn off the connected
equipment, and determine the cause of the
malfunction. If the unit has overheated, wait until it
cools down before use.
If you have any questions or problems concerning
your unit that are not covered in this manual,
please consult your nearest Sony dealer.
Additional Information