Bedienungsanleitung Crunch dsx4500 (Seite 20 von 32) (Deutsch, Englisch)

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GND

Connect the GROUND terminal with a suitable contact ground point on the vehicle’s chassis. The ground wire must be as short

as possible and must be connected to a blank metallic point at the vehicle’s chassis. Ensure that this ground point has a stable

and safe electrical connection to the negative “–”pole of the battery. Check this ground wire from the battery to the ground point

if possible and enforce it, if required. Use a ground wire with a sufficient cross section (at least 10 mm

) and the same size like

the plus (+12V) power supply wire.

BEFORE THE CONNECTION

For the professional installation of a sound system appropriate wiring kits are available in car audio retailer stores. Attend the sufficient

profile section (at least 10 mm

), the suitable fuse rating and the conductivity of the cables when you purchase your wiring kit. Clean and

remove rust-streaked and oxidized areas on the contact points of the battery and the ground connection. Make sure that all screws are

fixed tight after the installation, because loosely connections may cause malfunctions, unsufficient power supply or interferences.

We reccomend therefore the CRUNCH CR10WK wirekit.

REM (TURN-ON SIGNAL)

Connect the turn-on signal (e.g. automatic antenna) or the turn-on remote signal of your headunit with the REM-terminal of the

amplifier. Use therefor a suitable cable with a sufficient cross section (0,5 mm

). Thereby the amplifier will turn on or off automatically

with your headunit.

BATT+12V

Connect the BATT+12V-terminal with the +12V pole of the vehicle’s battery. Use therefor a suitable cable with a sufficient cross

section (min. 10 mm

) and install a additional in-line fuse. For safety reasons the distance between the fuseblock and the battery

must be shorter than 30 cm. Do not install the fuse into the fuseblock until the installation is accomplished.

FUSE

The inserted fuses protect the amplifier from shorts and capacity overload. The equipped standard fuse is suitable for a 4 ohm

speaker load. For a 2 ohm speaker load the current consumption increases by 50%, thereby the fuses may need to be replaced

by fuses with a higer rating.

INSTALLATION INSTRUCTIONS

ELECTRICAL INTERCONNECTION

Installation of RCA/Audio signal cables and power supply.

Observe while installation not to lead the audio cables between the headunit and the amplifier together with

the power supply wires on the same side of the vehicle. The best is a areal separated installation in the

left and right cable channel of the vehicle. Therewith a overlap of interferences on the audio signal will be

avoided. This stands also for the equipped bass-remote wire, which should be installed not together with

the power supply wires, but rather with the audio signal cables.

REFERENCE NOTE

421 3

POWER INPUT

GND REM 12V

SPEAKER OUTPUT

FUSE

BRIDGED

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