User manual SONY CDX-L280

[. . . ] Do not get the wires under a screw, or caught in moving parts (e. Before making connections, turn the car ignition off to avoid short circuits. [. . . ] 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 wires 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 cords to each other. 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). [. . . ] Yellow Gelb Jaune Giallo Geel continuous power supply permanente Stromversorgung alimentation continue alimentazione continua continu voeding Red Rot Rouge Rosso Rood Yellow Gelb Jaune Giallo Geel switched power supply geschaltete Stromversorgung alimentation commutée alimentazione commutata geschakelde voeding Warning when installing in a car without ACC (accessory) position on the ignition key switch Be sure to press (OFF) on the unit for two seconds to turn off the clock display after turning off the engine. When you press (OFF) only momentarily, the clock display does not turn off and this causes battery wear. [. . . ]