User manual KENWOOD KAC-624

[. . . ] They can scratch the surface of the panel and/or cause the indicator letters to peel off. To prevent battery rise When the unit is used in the ACC ON position without turning the engine ON, it depletes the battery. Use it after starting the engine. 2CAUTION To prevent damage to the machine, take the following precautions: Protection function There is a Protection function installed in the unit to protect the unit and speakers from various problems. When Protection operates, the display informs you of the condition. Display "E-01" Informations When the inside of the unit is overheating. [. . . ] · If the fuse blows, check wires for shorts, then replace the fuse with one of the same rating. · Check that no unconnected wires or connectors are touching the car body. Do not remove caps from unconnected wires or connectors to prevent short circuits. · Connect the speaker wires to appropriate speaker connectors separately. Sharing the negative wire of the speaker or grounding speaker wires to the metal body of the car can cause this unit to fail. · After installation, check that the brake lamps, winkers, and wipers work properly. Power control wire Left input Right input Lead terminal* Right speaker Left speaker Speaker (Bridged) Controls KAC-X521/ KAC-PS521 KAC-624/ KAC-PS621 1 Fuse (KAC-624/PS621 : 25 A × 3 , KAC-X521/PS521 : 30 A × 2) 2 Battery terminal 3 Ground terminal 4 Power control terminal Controls the unit ON/OFF. NOTE # Power indicator Lights when the POWER switch is turned On. The indicator flashes several seconds when the POWER switch is turned On or when the Protection function is activated. $ LPF FREQUENCY control Sets the cutoff frequency when the "FILTER" switch is set to "LPF". Sets the cutoff frequency when the "FILTER" switch is set to "HPF". Controls the unit power. Be sure to connect it with all the systems. % HPF FREQUENCY control ^ FILTER switch 5 Speaker output terminals · Stereo Connections: 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. The setup items and set values are switched as follows. Display Range "VOLT"/"CURR"/"TEMP"/"FAN" "BASS" 60/80/100/200 (Hz) "BA G" B­15 -- B+15 (dB) "BA Q" Q1. 00/Q1. 25/Q1. 50/Q2. 00 " EXT" "TREB" "TR G" "VOL" "TEMP" "DEFA" "AMP" ON/OFF 10/12/15/17 (kHz) T­15 -- T+15 (dB) ­20 -- 0 (dB) FAHR (Fahrenheit) or CELS (Centigrade) 0--7 Adjustment Item For the operation method refer to 'Display mode' Bass Center Frequency Bass level Bass Q Factor When the bass extend is set to ON, low frequency response is extended by 20%. Treble Center Frequency Treble level Volume offset The Fahrenheit or Centigrade temperature unit can be selected for the Display mode. For the operation method refer to 'Default' The ID Number you have assigned is displayed. Canceling the Demonstration mode Press any button to cancel the Demonstration mode. 6 English Control an Amp from Center Unit You can control the sound by controlling amplifiers from the Center Unit. Messages that may be displayed on the Center Unit When you are selecting an item with the Amp Control, an error status of the amplifier is displayed on the Center Unit. Display Informations "AMP × E-01"/"AMP × COND E-01" When the inside of the unit is overheating. When the unit has failed and direct current voltage is generated to the speaker's output. "AMP × E-02"/"AMP × COND E-02" NOTE 1 Enter AMP Control mode Select the AMP Control mode by following the 'AMP Control' procedure given on the Operation Manual of the Center Unit. NOTE Use the set item and value operation buttons by following the instructions given on the Operation Manual of the Center Unit. 2 Select an amp number to operate Operate the desired set item with the Center Unit. Select the "AMP NO"/"AMP CONTROL NO" display. NOTE Turn the POWER switch Off and release the protection. If the error message continues, consult to the KENWOOD's dealership. "AMP × E-03"/"AMP × COND E-03" "AMP OFF" NOTE When the Center Unit is in the STANDBY mode, message "AMP OFF" is displayed and you cannot operate the set items. When the speaker cord is shorted. When the speaker output is in contact with the vehicle ground. [. . . ] · Release the AMP Control mode of the Center Unit. · Always set the ID number of the Master amplifier to "0". · After you have changed the ID number of an amplifier, turn Off the POWER switch of the Center Unit first, then turn it On again. · The AMP Control of the Center Unit is being used. · An incorrect ID number is used for the Master amplifier. [. . . ]