User manual KENWOOD KAC-PS847

[. . . ] 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. Función de protección KAC-PS847 KAC-6405 INSTRUCTION MANUAL MODE D’EMPLOI 4/3/2 CHANNEL POWER AMPLIFIER AMPLIFICATEUR DE PUISSANCE 4/3/2 CANAUX AMPLIFICADOR DE POTENCIA DE 4/3/2 CANALES 7 Wiring • Take the battery wire for this unit directly from the battery. [. . . ] 7 Câblage 7 Cableado MANUAL DE INSTRUCCIONES 7 Speaker Selection • The rated input power of the speakers that are going to be connected should be greater than the maximum output power (in Watts) of the amplifier. Use of speakers having input power ratings that are less than the output power of the amplifier will cause smoke to be emitted as well as damage. € The impedance of the speakers that are going to be connected should be 2Ω or greater (for stereo connections), or 4Ω or greater (for bridged connections). When more than one set of speakers are going to 4Ω be used, calculate the combined impedance of the speakers and then connect suitable speakers4Ω the 4Ω to 4Ω amplifier. 7 Sélection des haut-parleur Cleaning the unit If the front panel gets dirty, turn off the power and wipe the panel with a dry silicon cloth or soft cloth. Familiarity with installation and operation procedures will help you obtain the best performance from your new power amplifier. Nettoyage de l’appareil 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-PS847/KAC-6405 Serial number Do not wipe the panel with a hard cloth or a cloth dampened by volatile solvents such as paint thinner and alcohol. They can scratch the surface of the panel and/or cause the indicator letters to peel off. B64-4791-00/00 (KV/EV) When the unit is used in the ACC ON position without turning the engine ON, it depletes the battery. 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. € After check the speaker cord and fixing the cause of the short, replace the fuse. The output level is too • The input sensitivity adjusting control is • Adjust the control correctly referring to not set to the correct position. The sound quality is • The speakers wire are connected with • Connect them properly checking the ª/· € Connect the speaker wire again so that it is (The sound is distorted. 2 [ MAX ] FCC WARNING 4 [ MIN ] 5 LPF FREQUENCY [ Hz ] INPUT SENSITIVITY [ V ] This equipment may generate or use radio frequency energy. Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual. The user could lose the authority to operate this equipment if an unauthorized change or modification is made. 2 [ MAX ] Do not connect cables and leads to both RCA cable input jacks and the speaker level input terminals simultaneously, for this may cause malfunction or damage. 2 [ MAX ] *2 ª White / Blanc / Blanco ª Gray / Gris / Gris ª Green / Vert / Verde ª Purple / Violet / Púrpura Black / Noir / Negro \ \ \ \ \ *1 A channel Left / A canal Gauche / Å Ò ª A canal Izquierdo A channel Right / A canal Droite / Å Â ª A canal Derecho B channel Left / B canal Gauche / ı Ò ª B canal Izquierdo B channel Right / B canal Droite / ı  ª B canal Derecho GND 4 [ MIN ] 5 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. [. . . ] Ch) NOTE This switch allow filtering of the speaker If you can’t find the specified capacity output signals. The filter outputs the band of lower 2 Battery terminal (POWER IN frequencies than the frequency set with BATT. € OFF position: 3 Ground terminal (GND) The entire bandwidth is output without 4 Power control terminal (P. Ch) NOTE This switch allow filtering of the speaker Controls the unit power. [. . . ]