In that sound. terminals. The upper cover can be reinstalled along with the reinstallation of the main body of the unit, such that the cover is aligned with other devices for neat and better look. How to dismount: Unscrew the terminal screw with Allen wrench . . Note: . Do not insert anything this unit. Doing so case, turn down the bass level until the distortion • When the connection of the Head Unit or this unit is stops. not completed. . Speaker output terminals Equipped with RCA output for adding a power Setting range: 0 dB to 15 dB . Speaker output connector amplifi er. It is not a Speaker input terminal. . Crossover fi lter switch (LPF, OFF, HPF) LPF (Low Pass Filter): LPF cuts off the treble, . Left Side ( . ) . SP ( . ) outputs only a low-pitched sound for . Left Side ( . ) . SP ( . ) OFF: All frequency bands are output ltering. . Right Side ( . ) . SP ( . ) Select when a subwoofer is not . Right Side ( . ) . SP ( . ) . Speaker input terminals (LEFT, RIGHT) . Input select switch (LINE, SPEAKERS) LINE: When using RCA INPUT SPEAKERS: When using HPF (High Pass Filter): Sound . Fuses (FUSES) (25 A . 3) speakers for a high-pitched sound after deleting . Upper cover CY-PA4003U/CY-PA4003U/ 14 15 16 English CY-PA4003U/PA2003U/PAD1003U 17 English CY-PA4003U/PA2003U/PAD1003U Speaker System Setting 4CH Input 4-channel Speaker System 3-channel Speaker System 2-channel Speaker System (Monaural) INPUT CH A RCA cord (option) (from Head Unit output terminal) INPUT CH B Speaker output CH A Speaker output CH B Left (min. 2 .) INPUT CH A INPUT CH B RCA cord (option) (from Head Unit output terminal) Speaker output CH A Speaker output CH B Subwoofer (Bridge connection) (Monaural) RCA cord (option) Speaker output CH A (from Head Unit output terminal) Left.Right (min. 4 .) INPUT CH A INPUT CH B Subwoofer (Bridge connection) (Monaural) Left.Right (min. 4 .) Speaker output CH B Subwoofer (Bridge connection) Left.Right (min. 4 .) (Monaural) RCA cord (option) (from Head Unit output terminal) Speaker output CH A (Outputs left channel audio.) Input the front left channel (white)/rear left channel (white). Input the front right channel (red)/rear right channel (red). (Bridge connection) Left (min. 4 .) Speaker output CH B (Outputs right channel audio.) (Bridge connection) Right (min. 4 .) 2-channel Speaker System (Stereo) Switch to 4CH. Switch to 4CH. Switch to 4CH. Switch to 4CH. Right (min. 2 .) Left (min. 2 .) Right (min. 2 .) Left (min. 2 .) Right (min. 2 .) Note: . When the Head Unit is connected to the RCA cord, note that the RCA white and red leads differ in color from the unit terminals. . Connect both front left/rear left and front right/rear right inputs. Using a single input connection halves the output. Special Application Example: Connecting left channel audio output to CH A and right channel audio output to CH B. English English Speaker System Setting (continued) Speaker System Setting 2CH Input 2-channel Speaker System (Stereo) Special Application INPUT 4-channel Speaker System Example: If the Head Unit only has a single pre-out, connect it to this unit for 4-channel audio output. RCA cord (option) (from Head Unit output terminal) 2-channel Speaker System Input the left channel (white). RCA cord (option) (from Head Unit output terminal) Input the right channel (red). Speaker output CH A Speaker output CH B Input the left channel (white). Input the right channel (red). Not used. Speaker output CH A Left (min. 4 . ) Note: . The fader control is ineffective. . The speaker outputs A and B are at the same level. . The 3-channel speaker output is not allowed Switch to 2CH. Left (min. 2 . ) Right (min. 2 . ) Left (min. 2 . ) Right (min. 2 . ) Not used. RCA cord (option) (from Head Unit output terminal) Special Application Example: If the Head Unit only has a single pre-out, connect it to this unit for 2-channel audio output. Switch to 2CH. Speaker output Left Right with the 2-channel input connection. (min. 2 . ) (min. 2 . ) . When the Head Unit is connected to the RCA cord, note that the RCA white and red leads differ in color from the unit terminals. 1-channel Speaker System (Monaural) INPUT RCA cord (option) (from Head Unit output terminal) (Bridge connection) Note: . This is not a monaural output. . The 3-channel speaker output is with the 2-channel input connection. . When the Head Unit is connected cord, note that the RCA Speaker output CH B (Bridge connection) differ in color from Speaker output Left . Right (Monaural) (Bridge connection) (min. 4 . ) Right (min. 4 . ) CY-PA4003U/CY-PA4003U/ 18 19 Subwoofer English English Speaker System Setting Note for Bridge Speaker Connection . In case of 2-channel/stereo connection: 2-channel (Monaural) Speaker System In case of multiple speakers to be mounted in a bridge connection, confi rm the summed impedance to be 4 . 8 INPUT Right (min. 4 . ) RCA cord (option) (from Head Unit out...
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