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Anleitung Zusammenfassung
English 3 Controls / Indicator (W) 20 40 10 1 23 This is a 4 channel amplifier including 2 stereo amplifiers in a body. One amplifier is referred to as amplifier A and the other is amplifier B. This unit is compatible with a large variety of systems by combining the switches and functions described in the following. 1 INPUT SENSITIVITY control Set this control according to the pre-output level of the center unit connected with this unit, or to the maximum power output of the genuine-accessory car stereo. The sensitivities of amplifiers A and B can be adjusted independently regardless of the position of the input selector switch. Use the diagram on the right as a guide. NOTE For the pre-output level or the maximum power output, refer to the “Specifications” in the instruction manual of the center unit. 2 Bch BASS BOOST switch Setting this switch to "ON" emphasizes the bass. You can use the BASS BOOST for amplifier B only. • ON position: BASS BOOST is +6 dB. • OFF position: BASS BOOST is OFF. 456 3 FILTER switch This switch allows to apply high-pass or low-pass filtering to the speaker outputs. • HPF (High-Pass Filter) position: The filter outputs the band of higher frequencies than the frequency set with the FILTER FREQUENCY control. • OFF position: The entire bandwidth is output without filtering. • LPF (Low-Pass Filter) position: The filter outputs the band of lower frequencies than the frequency set with the FILTER FREQUENCY control. 4 OPERATION switch The amplification methods of the signals input to amplifiers A and B can be selected independently according to the setting of this switch. • STEREO position: The amplifier can be used as a stereo amplifier. •MONO (Lch) position: Amplifies the signal input from the left side only. Set to this position and make bridged connections to use as a high-power monaural amplifier. (The input right signal is not output.) 5 INPUT SELECTOR switch This switch selects the input method of the signals to be amplified by amplifiers A and B. •A B position: Amplifies both of the signals input to amplifiers A and B. •A position: Amplifies only signal input amplifier A with both amplifiers A and B. 4 English 7 7 7 Power indicator When the power is turned on, the Power indicator lights. If the Power indicator does not light when the power is turned on, the protection function may be activated. Check whether there is any indication of trouble. ¦ 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 shortcircuited. • 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 5 Connection ¦ Terminal names 40 890! @ # 8Fuse (40 A) NOTE If you can’t find the specified capacity fuse at your store etc., consult your Kenwood dealer. 9Battery terminal 0Ground terminal !Power control terminal Controls the unit ON/OFF. NOTE Controls the unit power. Be sure to connect it with all the systems. @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. • Bridged Connections: When you wish to use the unit as a high- output monaural amplifier, bridged connections are used. (Make connections to the LEFT channel 9 and the RIGHT channel · SPEAKER OUTPUT terminals.) The speakers to be connected should have an impedance of 4. or greater. When multiple speakers are to be connected, ensure that the combined impedance is 4. or greater. $% ^ amplifier. Otherwise malfunction may result. #RCA cable ground lead terminal When using an RCA cable with a ground lead attached, connect the ground lead to this terminal. $LINE IN terminal %LINE OUT terminal These jacks output respectively the signals input to amplifiers A and B. They always output the stereo signals regardless of the position of the OPERATION switch. ^Speaker level input terminals NOTE • The genuine-accessory car stereo shall have a maximum power output of no more than 40 W. • Do not connect the speaker output leads from a power amplifier (Optional) to the speaker level input terminals of this unit, for this may cause malfunction or damage. • Do not connect cables and leads to both RCA cable input jacks and the speaker level input terminals simultaneously, for this may cause m...