Protection Circuit - Crunch GROUND POWER GPX1000.1D Manual De Uso

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PROTECTION CIRCUIT

The POWER/PROTECTION LED (Fig. 1,9) lights up green, if the amplifier is in operation.
The POWER/PROTECTION LED (Fig. 1,9) lights up red, when the amplifier is overheated, or a short circuit
occurs resp. a too low impedance load is connected to the speaker outputs. If this events, the internal built-in
protection circuit shuts down the amplifier automatically. The amplifier should work again properly after you
have solved the problems.
FIGURES
(P. 28-30)
CONNECTIONS AND CONTROLLERS (FIG. 1)
(1) Audio signal outputs to run additional amplifiers
(2) Audio signal inputs
(3) Gain level controller
(4) Phase Shift switch
(5) Subsonic filter controller
(6) Low Pass filter controller
(7) Bass Boost controller
(8) Connector for the included bass level remote controller
(9) Power-/Protection-LED
POWER SUPPLY AND TURN ON CONNECTION (FIG. 2)
(1) GND terminal for the ground
(2) REM terminal for the turn on connection
(3) +12 V terminal for the positive-connection of the battery
(4) Vehicle's battery
(5) In-Line Fuse (not included in the scope of delivery)
(6) Turn on wire from the head unit or the electrical antenna
(7) Fuse
1-CHANNEL OPERATION MONO 1 SUBWOOFER (FIG. 3)
If you want to run the amplifier with the 2 line output channels from the head unit to drive a subwoofer, connect
the following setup:
(1) To the head unit, line output left or subwoofer output
(2) To the head unit, line output right or subwoofer output
(3) Bass level remote controller
(4) Subwoofer (2 - 8 Ω)
1-CHANNEL OPERATION MONO 2 SUBWOOFERS (FIG. 4)
If you want to run the amplifier with the 2 line output channels from the head unit to drive two subwoofers, con-
nect the following setup:
(1) To the head unit, line output rear left or subwoofer output
(2) To the head unit, line output rear right or subwoofer output
(3) Bass level remote controller
(4) Subwoofer 1 (4 - 8 Ω)
(5) Subwoofer 2 (4 - 8 Ω)
IMPORTANT!
Always observe the correct polarity of all connections!
11
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