| 摘要 |
An item of electrical equipment Ä1Ü, in particular a compact disc player, or changer, is coupled by a cable Ä35Ü to a second unit Ä5Ü such as a radio. The connection has several poles Ä95,100Ü connected to different reference voltages Ä15,25Ü. Within the radio, the two voltages on the poles are coupled. A third pole is provided for a supply voltage. A control element is included in the CD player, such that if the connection between the units is broken, then the controller detects the condition and activates the anti-theft protection |
