Focal I BUS 20 Manuel D'utilisation page 3

INTEGRATION FlAT AmplIFIEd bAss ENclOsuRE
U s e r m a n u a l
+12V: The +BATT power supply connector is dedicated to receiving the power supply cable ensuring the link between
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the amplifier and the postive (+) terminal of the battery.
GND: The GND power supply connector (ground) is dedicated to receive the negative power supply wire linking the
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amplifier and the vehicle chassis.
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REM: The REM connector ensures the link between the IBUS 20 and the source (the car radio) via a REM or REMOTE
output of the car radio. It permits to automatically switch on the amplifier as soon as the source (the car radio) is turned
on).
4 HI LEVEL INPUT: The HI LEVEL INPUT terminal permits to connect the car radio to the amplifier via the car radio
speaker outputs and the high-level connector supplied in the packaging.
5 INPUT : The RCA sockets permit to convey the low level signal of the head unit to the amplifier.
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FUSE: The FUSE connector is dedicated to receive the fuse(s) of the amplifier. In case of replacement, make sure of the
perfect conformity of the amperage.
7 REMOTE CONTROL PLUG: the REMOTE CONTROL connector is dedicated to the wiring of the remote control
supplied.
8 GAIN: The GAIN rotary potentiometer permits to adjust the signal level coming in the amplifier. CAUTION: increasing
the input gain doesn't mean more power, but more noise. The tension gain varies from 0.2V to 5V.
SUBSONIC: The SUBSONIC rotary potentiometer permits to set the high-pass filter value. The chosen value defines
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the frequency from which the signal is amplified.
BASS BOOST: The BASS BOOST rotary potentiometer permits to increase the bass level from 0 to +18dB. The central
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frequency is 60Hz.
1 1 LO PASS : The LO PASS rotary potentiometer permits the setting of the low-pass filter value. The selected value defines
the frequency until which the signal is amplified.
PHASE: The PHASE selector permits to adjsut the phase setting of the bass chanel according to the installation. To
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determine the correct position of this inverter, simply check if it provides the maximum of bass frequencies.
1 3 Auto Power On: In ON mode, it's not necessary to connect the remote cable if you're using the high level inputs. Do
not function with the RCA inputs.
1 4 LED: The light indicator permits to check the correct working of the amplifier. When the LED is green, it means the
amplifier is on and it's working correctly. WHen the LED is red, it means the amplifier is in protection mode following a
dysfunction (overheating, wrong wiring, ...).
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