Insignia NS-P2000 Guia Del Usuario página 11

Symptom Solution
The sound is
distorted.
There is a high Make sure that the RCA patch cords are
squeal noise correctly grounded.
coming from
the speakers.
Sub-woofers Always test the speakers and speaker wires.
are not Make sure the speakers are connected with
working. the correct polarity (positive (+) amplifier
output to positive (+) speaker terminal,
negative (-) amplifier output to negative (-)
speaker terminal).
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• Make sure that the level control(s) is set
to match the signal level of the head unit.
• Make sure that the crossover
frequencies have been correctly set.
• Make sure that there are no shorts on
the speaker leads.
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