User manual SONY CDX-R3300

[. . . ] Do not get the leads under a screw, or caught in moving parts (e. Before making connections, turn the car ignition off to avoid short circuits. Connect the power connecting lead 7 to the unit and speakers before connecting it to the auxiliary power connector. [. . . ] When your car has built-in FM/MW/LW aerial in the rear/side glass, connect the power aerial control lead (blue) or the accessory power input lead (red) to the power terminal of the existing aerial booster. A power aerial without a relay box cannot be used with this unit. Memory hold connection When the yellow power input lead is connected, power will always be supplied to the memory circuit even when the ignition switch is turned off. notes on speaker connection · Before connecting the speakers, turn the unit off. Use speakers with an impedance of 4 to 8 ohms, and with adequate power handling capacities to avoid its damage. Do not connect the speaker terminals to the car chassis, or connect the terminals of the right speakers with those of the left speaker. Do not connect the earth lead of this unit to the negative (­) terminal of the speaker. To avoid a malfunction, do not use the built-in speaker leads installed in your car if the unit shares a common negative (­) lead for the right and left speakers. Do not connect the unit's speaker leads to each other. note on connection If speaker and amplifier are not connected correctly , "FAILURE" appears in the display. In this case, make sure the speaker and amplifier are connected correctly. Auxiliary power connector may vary depending on the car. Check your car's auxiliary power connector diagram to make sure the connections match correctly. there are three basic types (illustrated below). [. . . ] Before detaching the front panel, be sure to press (OFF). Attach part A of the front panel to part B of the unit as illustrated and push the left side into position until it clicks. Warning when installing in a car without ACC (accessory) position on the ignition key switch After turning off the ignition, be sure to press and hold (OFF) on the unit until the display disappears. [. . . ]