However, you should make adjustments corresponding to your specifi c car. If you have any questions or require information regarding installation kits, consult your JVC car audio dealer or a company supplying the kits. CAUTIONS AND NOTES This unit is designed to operate on 12 V DC, NEGATIVE ground electrical systems. • This unit uses BTL (Balanced Transformerless) amplifi er circuitry, i.e., fl oating ground system, so please comply with the following: Do not connect the “·” terminals of the spe