User manual KENWOOD KAC-PS501F

[. . . ] KAC-PS501F 4-CHANNEL POWER AMPLIFIER INSTRUCTION MANUAL © B64-1444-00 (EM) Safety precautions 2WARNING To prevent injury or fire, take the following precautions: · When extending the ignition, battery, or ground cables, make sure to use automotivegrade cables or other cables with a 10 mm2 (AWG8) [5 mm2 (AWG10) × 2] or more to prevent cable deterioration and damage to the cable coating. · To prevent a short circuit, never put or leave any metallic objects (such as coins or metal tools) inside the unit. · If the unit starts to emit smoke or strange smells, turn off the power immediately and consult your Kenwood dealer. · Do not touch the unit during use because the surface of the unit becomes hot and may cause burns if touched. 2CAUTION · To prevent a short circuit when replacing a fuse, first disconnect the wiring harness. NOTE · If you experience problems during installation, consult your Kenwood dealer. [. . . ] to adjust the central frequency that you want to emphasise. 3 OPEN/CLOSE button · When the B. M. S. (+6) position, the slide panel will open or close each time the button is pressed. switch is set to the (REMOTE) position, the centre unit will control the slide panel. If you want to adjust the control inside the slide panel, you can open/close the slide panel temporarily by pressing the OPEN/CLOSE button. NOTE · (REMOTE) OPEN/CLOSE position: When the switch is in this position, only the opening/closing of the slide panel can be controlled from the centre unit; the bass cannot be boosted. AMP AMP AMP Centre unit BASS BASS BASS setting status Flat +6 +12 Bass boost Flat (OFF) Slide panel CLOSE OPEN · (REMOTE) B. M. S. position: When the switch is in this position, any of the three bass boost settings -- FLAT, +6dB and +12dB -- can be selected from the centre unit. If "+6 dB" or "+12 dB" is selected, the slide panel will open. AMP AMP AMP Centre unit BASS BASS BASS setting status Flat +6 +12 Flat +6dB +12dB Bass boost (OFF) (ON) (ON) Slide panel CLOSE OPEN · B. M. S. (+6) position: When the switch is in this position, the bass is boosted by 6dB, regardless of any operation carried out from the centre unit. AMP AMP AMP Centre unit BASS BASS BASS setting status Flat +6 +12 Bass boost +6dB (ON) Operations using the Slide panel OPEN/CLOSE button · If the slide panel meets an obstacle whilst sliding, the slide operation will be halted. If this happens, remove the obstacle and then press the OPEN/CLOSE button again. is in the (REMOTE) position, and control operations are carried out on the centre unit, the slide panel will return to the status set on the centre unit even if it is opened/closed using the OPEN/CLOSE button. · If the centre unit power is switched OFF, or the vehicle engine is turned OFF, when the slide panel is open, the slide panel will automatically close. When the power is turned back ON, or when the vehicle engine is turned ON, the slide panel will carry out an action depending on the setting status of the B. M. S. switch is in the (REMOTE) position, the slide panel will obey the setting on the centre unit. (+6) position, the slide panel will return to its original open state. 2CAUTION Take care not to allow your finger or any other object to be trapped by the slide panel whilst it is sliding. English 7 Indicator 1 2 COOLING FAN COOLING FAN AIR INDUCTION OPERATION/PROTECTION 3 OPERATION/PROTECTION OPEN/CLOSE 4/3/2 CHANNEL POWER AMPLIFIER FILTER FREQUENCY A POWER OPEN/CLOSE LOW VOLTAGE 50 LO PASS 200 50 HI PASS 200 B B. M. S. 50 LO PASS 200 50 HI PASS 200 4 LOW VOLTAGE B. M. S. 5 1 POWER indicator This indicator glows when the unit's power is turned ON. s PROTECTION function This unit incorporates a protection function which protects the main unit and speakers from troubles. The unit stops to function when the protection function is activated. 2 COOLING FAN indicator When the unit's internal temperature rises, the side fan is activated. If the internal temperature rises even further, the slide panel opens automatically, and the cooling fan on the top is activated. Whilst the top cooling fan is in operation, the COOLING FAN indicator blinks. · When the OPERATION/PROTECTION indicator blinks: · A speaker cable may be short-circuited. · The temperature of the internal parts may be higher than 120°C (248°F) · The fuse of this unit may be blown. · The unit may be malfunctioning and sending DC signal to the speaker output. 3 OPERATION/PROTECTION indicator This indicator glows when the power comes ON normally. If the PROTECTION function is activated, the indicator blinks or goes out. 4 LOW VOLTAGE indicator This indicator glows when the power voltage falls below 11V (volts). [. . . ] CLOSE 50 HI PASS 200 L LINE R OUT 100 3 4 (MIN) (MAX) 50 1 50 200 LO PASS 15Hz INFRASONIC 5 0. 5 0. 2 B. M. S. (+6) B. M. S. (High pass) Subwoofer (L + R) (Bridged) qPrinciple of Tri-mode Method of frequency band division using a coil and capacitor···in case of 6dB/oct. slope Crossover Frequency 0 dB -3 dB L C Coil (L): Passes low frequencies and blocks high frequencies. (Low pass) Capacitor (C): Passes high frequencies and blocks low frequencies. [. . . ]