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Manafacture: Clarion File size: 1.37 mb File name: EQS744,0.pdf Language of manual:

Low-pass crossover filter with selectable frequency control 60Hz or 90Hz. Three stereo RCA outputs to drive front, rear and subwoofer audio systems. Auxiliary stereo RCA inputs with adjustable gain control. Separate controls for master system volume, subwoofer volume, front/rear fader and selection of main or auxiliary inputs. For optimum performance, the EQS744 should be installed by an authorized Clarion dealer. ABOUT THE MANUAL AND WARRANTY To start enjoying your new Clarion EQS744, please read the instructions listed in this manual. Please read your warranty card and save your sale receipt. Because these items are essential for warranty service. TABLE OF CONTENTS Description . . . . . . . . . . . . . . . . . . . . . . . . . .2 Control Glossary . . . . . . . . . . . . . . . . . . . . .3 Applications . . . . . . . . . . . . . . . . . . . . . . . . .4 Mounting Precautions . . . . . . . . . . . . . . . . .4 Wiring Precautions . . . . . . . . . . . . . . . . . . .5 System Set-up . . . . . . . . . . . . . . . . . . . . . . .6 Auxiliary Input . . . . . . . . . . . . . . . . . . . . . . .6 Troubleshooting . . . . . . . . . . . . . . . . . . . . . .7 Product Specs . . . . . . . . . . . . . . . . . . . . . . . .7 DESCRIPTION The Clarion EQS744 is a seven-band stereo equalizer. Each frequency band is indi vidually adjustable to meet individual listening preferences. The EQS744 also features a subwoofer crossover, subwoofer level control and a master system volume control. The subwoofer output makes use of a built-in 18dB per octave electronic crossover that is fixed at 60Hz or 90Hz. The EQS744 has the built-in an auxiliary input that allows use with portable devices (such as MP3 player) or a video system. Owner’s Manual Owner’s Manual 11213234567891019181114151617 1. Sub level 11. 16kHz adjustment 2. Volume control 12. Power plug 3. AUX switch 13. Front output 4. Fader control 14. Rear output 5. 50Hz adjustment 15. Main input 6. 125Hz adjustment 16. AUX input 7. 315Hz adjustment 17. Sub output 8. 750Hz adjustment 18. AUX gain control 9. 2.2kHz adjustment 19. Low-pass frequency 60/90Hz 10. 6 kHz adjustment CONTROL GLOSSARY Volume control - This is the master volume control for the system. Fader control - This is used to balance the sound between the front and rear speakers. AUX switch - This allows you to select between the main input and an auxiliary source. Equalizer band frequency adjustment - This adjustment allows you to adjust the frequency for each of the seven frequency band. CONTROL EQS744 4 APPLICATIONS Low-pass frequency switch - This allows the subwoofer crossover to be set at 60Hz or 90Hz. Subwoofer level control - This is the volume control for the subwoofer. The sub woofer level control allows you to adjust the subwoofer volume at any time to match any listening preference. AUX gain controls - These controls allow individual left and right input gain adjustment for the auxiliary input. APPLICATIONS The system diagram below will help you plan your own installation. Source Unit Aux. Source BATTERY + - Remote Turn-on Front Amp/Rear Amp Sub Amp Chasis Groung (Bare Metal) CASSETTE IN POWER STEREO Hi-Fi REPEAT AUTO ENHANCE REWIND L R EJECT REW FF PLAY STOP VIDEO PLAYER VDH9300 D G TAL AUTO TRAC G FUSE HIGH LEVEL INPUTS RIGHT LEFT .25v 2.5v 18 0 550 330 x1 x10 LP HP OFF STEREO RIGHT(BRIDGED) L+R(SUM MONO) 110 POWER 55 240 RCA INPUTS GAIN BASS BOOST dB FREQ Hz X-OVER MODE INPUT SELECT X-OVER FREQ MULT APX201.2 MOUNTING PRECAUTIONS The EQS744 graphic equalizer can be mounted next to the source unit or under the dash with the supplied mounting brackets. For easy system set-up, mount the equalizer so the front panel controls will be easily accessible from the driver's seat after installation. In addition, observe the following precautions: 1. Check clearances on both sides of a planned installation before drilling any holes or installing any screws. 2. When routing RCA cables, keep them away from power cables and output speaker wires. Owner’s Manual Owner’s Manual 3. Do not allow liquids or foreign objects to enter the unit. 4. If the unit should become wet, turn off all power and ask your authorized Clarion dealer to clean or service the unit. WIRING PRECAUTIONS Read all wiring precautions. If you are not sure of the connections, contact your authorized Clarion dealer. 1. This unit operates on automotive 12V negative ground power source and requires additional mobile audio components for proper operation. 2. Disconnect the negative (-) lead of the battery before making any power connections. 3. A good chassis ground connection is critical to the performance of your Clarion equalizer. Use the shortest ground wire possible and securely connect to the car chassis along with the source unit ground to minimize resistance and avoid noise problems. 4. Extra cable can cause signal loss and act as an "antenna" for noise. Use only high quality RCA cables that are no longer than necessary to make a direct connection with...

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