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Electrical Connection
The electrical connection should only be performed by a specialist.
To prevent short circuits and the resulting damage to the device, the minus pole (earth) of the
vehicle battery must be disconnected during connection.
Only connect the battery's minus pole again after connecting the device completely and
verifying the connection.
To inspect the vehicle voltage line voltage, only use a voltmeter or diode test lamp because
normal test lamps take up too high currents and, thus, may damage the vehicle electronics.
When placing the lines, observe that they are not crushed or scrape over sharp edges. Use
rubber sleeves in the penetration points.
Connection to the speakers must be two-wire each. Insulate any open connection points.
Only use speakers with sufficient load capacity (see "Technical Data").
Observe that all speakers have the correct polarity - that is, that plus and minus marks match.
The speaker connection cables are usually encoded. Some speaker manufacturers mark the
(+)-line with an additional colour strip, while others use a grooved line for the (+)-pole, but a
smooth one for the (-)-pole.
The device was developed for operation with speaker impedances of at least 4 Ohm. Never
connect speakers with a lower impedance.
In most vehicles, the lines for electrical connection and connection of the speakers are already placed
up to the intended installation slot.
If this is not the case, ensure that the subsequently installed lines are secured by the respective
intended vehicle fuses (see vehicle operating manual).
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Operating Instructions
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