User manual KENWOOD KAC-7404

[. . . ] € If the unit does not seem to be working right, consult your Kenwood dealer. Précautions de sécurité Protection function The protection function is activated in the following situations: This unit is equipped with a protection function for protecting this unit and your speakers from various accidents or problems that can occur. When the protection function is triggered, the power indicator goes off and the amplifier stops operating. € When the unit malfunctions and a DC signal is sent to the speaker output. [. . . ] Familiarity with installation and operation procedures will help you obtain the best performance from your new power amplifier. 7 Sélection des haut-parleur Limpieza de la unidad Nettoyage de l’appareil 4Ω 4Ω 4Ω 4Ω For your records Record the serial number, found on the back of the unit, in the spaces designated on the warranty card, and in the space provided below. Refer to the model and serial numbers whenever you call upon your Kenwood dealer for information or service on the product. Model KAC-7404 Serial number Do not wipe the panel with a hard cloth or a cloth dampened by volatile solvents such as paint thinner and 4Ω alcohol. They can scratch the surface of the panel and/or cause the indicator letters to peel off. Com © 2011 JVC KENWOOD Corporation B64-4907-00/00 (KV) When the unit is used in the ACC ON position without 4Ω turning the engine ON, it depletes the battery. 6 Connection / Raccordements / Conexiones 4 1 Since there are large variety of settings and connections possible according to applications, read the instruction manual well to select the proper setting and connection. Remove the ignition key and disconnect the negative · Terminal of the battery to prevent short circuits. Set the unit according to the intended usage. Connect the input and output wires of the units. Connect the power wire, power control wire and grounding wire following this order. The user could lose the authority to operate this equipment if an unauthorized change or modification is made. Troubleshooting guide What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. ) Aparato central (reproductor de discos compactos , etc. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment may cause harmful interference to radio communications, if it is not installed and used in accordance with the instructions. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. € Increase the separation between the equipment and receiver. € Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. € Consult the dealer or an experienced radio/TV technician for help. [. . . ] When multiple speakers are to be connected, ensure that the combined impedance is 2Ω or greater for each channel. € Bridged connections: When you wish to use the unit as a high-output amplifier, bridged connections are used. (Make connections to the LEFT channel ª and the RIGHT channel · When multiple speakers are to be connected, ensure that the combined impedance is 4Ω or greater. 6 SPEAKER OUTPUT terminals (SUB) As this unit accepts speakers with a minimum impedance of 2 ohms, connect speakers with 2-ohm or higher impedance to these terminals. [. . . ]