User manual KENWOOD KAC-M615D

[. . . ] (Use a power wiring cord with a diameter of 5 mm2 (AWG 10) or greater. ) • When more than one power amplifier are going to be used, use a power supply wiring wire and protective fuse of greater current-handling capacity than the total maximum current drawn by each amplifier. Speaker selection CAUTION To prevent damage to the machine, take the following precautions: • Be sure the unit is connected to a 12V DC power supply with a negative ground connection. • Do not open the bottom covers of the unit. • Do not install the unit in a spot exposed to direct sunlight or excessive heat or humidity. [. . . ] 5. Connect the power wire, power control wire and grounding wire following this order. 6. Install the installation fittings in the unit. 8. Connect the negative · terminal of the battery. CAUTION Installation procedure Protection function  • Do not install in the below locations; (Unstable location, In a location that interferes with driving, In a location that gets wet, In a dusty location, In a place that gets hot, In a place that gets direct sunlight, In a location that gets hit by hot air) • Do not install the unit under the carpet. Otherwise heat build-up occurs and the unit may be damaged. • Install this unit in a location which allows heat to easily dissipate. Once installed, do not place any object on top of the unit. • The surface temperature of the amplifier will become hot during use. Install the amplifier in a place where people, resins, and other substances that are sensitive to heat will not come into contact with it. • Do not mount the unit in a place where the ducts of the unit are blocked. Blocking these openings will inhibit the cooling of the internal temperature and result in malfunction. • When making a hole under a seat, inside the trunk, or somewhere else in the vehicle, check that there is nothing hazardous on the opposite side such as a gasoline tank, brake pipe, or wiring 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 a speaker wire may be short-circuited. • When a speaker output contacts ground. • When the unit malfunctions and a DC signal is sent to the speaker output. • When the internal temperature is high and unit won’t operate. • When a ground wire of the center unit (cassette receiver, CD receiver, etc. ) or this unit is not connected to a metal part serving as an electrical ground passing electricity to the battery's negative · terminal. English KAC-M615D_M_1English. indd 4 08. 10. 15 5:05:51 PM Connection WARNING Remove the ignition key and disconnect the negative · terminal of the battery to prevent short circuits. CAUTION • If sound is not output normally, immediately turn power off and check connections. [. . . ]  After check the speaker cord and fixing the cause of the short, replace the fuse. The output level is too small (or too large).  The input sensitivity adjusting control is not set to the correct position. [. . . ]