User manual SONY VAIO VGN-FW550F/T

[. . . ] Tip (-B- ) For connecting two or more CD/MD changers, the source selector XA-C30 (optional) is necessary. The power antenna control lead (blue) supplies +12 V DC when you turn on the tuner. When your car has built-in FM/AM antenna in the rear/side glass, connect the power antenna control lead (blue) or the accessory power input lead (red) to the power terminal of the existing antenna booster. [. . . ] 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 ground 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. Choose the installation location carefully so that the unit will not interfere with normal driving operations. Avoid installing the unit in areas subject to dust, dirt, excessive vibration, or high temperatures, such as in direct sunlight or near heater ducts. Use only the supplied mounting hardware for a safe and secure installation. You may not be able to install this unit in some makes of Japanese cars. How to detach and attach the front panel () Before installing the unit, detach the front panel. Before detaching the front panel, be sure to press . Press , then slide the front panel to the right, then gently pull out the left end of the front panel. Before installing the unit, remove the protection collar and the bracket from the unit. Engage the release keys together with the protection collar . [. . . ] Pull out the release keys to remove the protection collar . Place the hole of the front panel onto the spindle on the unit, then lightly push the left side in. Insert both release keys together between the unit and the bracket until they click. [. . . ]