User manual SONY HID-B7 IMPORTANT INFORMATION GUIDE

[. . . ] When no car circuits are rated high enough, connect the unit directly to the battery. Be sure to connect the earth cord before connecting the amplifier. If you connect an optional power amplifier and do not use the built-in amplifier, the beep sound will be deactivated. Tip (2-B- ) For connecting two or more CD/MD changers, the source selector XA-C30 (optional) is necessary. [. . . ] Tip (2-B- ) For connecting two or more CD/MD changers, the source selector XA-C30 (optional) is necessary. The power aerial control lead (blue) supplies +12 V DC when you turn on the tuner. When your car has built-in FM/AM 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 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 key 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. 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. Before installing the unit, remove the protection collar 5 and the bracket 1 from the unit. 1 Engage the release keys 7 together with the protection collar 5. 2 Pull out the release keys 7 to remove the protection collar 5. 1 Insert both release keys 7 together between the unit and the bracket until they click. 2 Pull down the bracket 1, then pull up the unit to separate. If the frequency allocation system of your country is based on 10 kHz (200 kHz) interval, set the switch on the bottom of the unit to the 10 k (200 k) position before making connections. Bend these claws outward for a tight fit, if necessary (5-2). Make sure that the 4 catches on the protection collar 5 are properly engaged in the slots of the unit (5-3). [. . . ] Bend these claws outward for a tight fit, if necessary (5-2). Make sure that the 4 catches on the protection collar 5 are properly engaged in the slots of the unit (5-3). You may not be able to install this unit in some makes of Japanese cars. How to detach and attach the front panel (7) Before installing the unit, detach the front panel. [. . . ]