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To ensure proper performance and avoid potential safety hazards, we recommend that it be connected to a circuit with 20-amp capacity. Connecting multiple amplifiers to the same circuit, or connecting the amplifier to a circuit used by other heavy-power devices, such as high-wattage lights, may cause circuit breakers to trip.
Packing materials that cannot be collapsed should be saved along with the carton in a plastic bag. Signature 2.1 When positioning the amplifier in its final location, make certain that it has adequate ventilation on all sides, as well as on the top and bottom.
£ AC Power Cord: Connect this plug to a wall- mounted AC outlet. Due to the current draw of the Signature 2.1, it is NOT recommended that the accessory outlets on the back of the audio/video components be used to power this product.
Remote Turn-On Using an External AC-to-DC Converter If the 2.1 is not used with a compatible Harman Kardon product, it is still possible to activate the unit for automatic turn-on. To control the amplifier in this manner you will need a small UL/CSA approved class 2 AC-to-DC power converter capable of delivering a 6- to 12-volt DC signal.
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Do not overtighten or use tools, as this may damage the plastic terminal cap or break the delicate wire strands and decrease system performance. Signature 2.1 Important Note: When making speaker wire connec- tions, be certain that none of the strands from one lead touch any other lead.
The Signature 2.1 may be operated in either a manual or automatic mode. If the unit is being used in standalone operation you should follow the instructions below for Manual Operation. When the 2.1 is connected to another Signature Series product or to another compatible device, follow the instructions for Automatic Operation.
If these solutions do not rectify the problem or if the problem recurs, contact your dealer or an authorized Harman Kardon service depot for assistance.