User manual KENWOOD KAC-PS520

[. . . ] They can scratch the surface of the panel and/or cause the indicator letters to peel off. When the unit is used in the ACC ON position without turning the engine ON, it depletes the battery. There is a Protection function installed in the unit to protect the unit and speakers from various problems. When Protection operates, the indicator informs you of the condition. [. . . ] The color can't be set when the indicator is blinking. The filter outputs the band of lower frequencies than the frequency set with the LPF FREQUENCY control. From the Kenwood center unit Switch is set in the remote position, the bass boost amount and frequency offset can be controlled from the center unit. You are notified of the unit's condition and malfunction (Protection function) by the indicator. Center unit display "Flat"/ "OFF"/ "1" "+6"/ "1"/ "2" "+12"/ "2"/ "3" "+18"/ "3"/ "4" Center unit display "Normal" Setting Bass boost OFF (Flat) Bass boost +6 dB Bass boost +12 dB Bass boost +18 dB The color you want can be selected with the variable color button. ­ When during operation ­ When the center unit/B. When the power voltage is less than 11V. The cause may be one of the below times. When the battery wire is too small or too long and can't supply enough current. For the center unit control method and setting display, refer to the Instruction Manual for the center unit. There may be cases when the center unit can't set the "Bass boost +18dB" or "Frequency Offset". When the unit has failed and direct current voltage is generated to the speaker's output. Turn the power OFF and release the protection. If the indicator doesn't quit blinking, contact your Kenwood dealer. When the inside of the unit is overheating. When you wish to use the unit as a stereo amplifier, stereo connections are used. the speakers to be connected should have an impedance of 2 or greater. When multiple speakers are to be connected, ensure that the combined impedance is 2 or greater for each channel. When you wish to use the unit as a highoutput monaural amplifier, bridged connections are used. When multiple speakers are to be connected, ensure that the combined impedance is 4 or greater. The rated input of the speakers should be no less than the maximum output of the amplifier. When using an RCA cable with a ground lead attached, connect the ground lead to this terminal. [. . . ] Be sure to connect capacitors to speakers to which high frequencies will be passed. 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. [. . . ]