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EQS744
INTRODUCTION
The Clarion EQS744 is a full-featured seven-band stereo equalizer specifically
designed for the mobile environment. Although it is housed in a one-half DIN
enclosure, the EQS744 provides a number of exceptional features in its compact
size, such as:
Seven equalization bands (at 50Hz, 125Hz, 315Hz, 750Hz, 2.2kHz,
6kHz, 16kHz), adjustable from -12dB to +12dB.
Low-pass crossover filter with selectable frequency control 60Hz or 90Hz.
Three stereo RCA outputs to drive front, rear
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CONTROL GLOSSARY Owner’s Manual 13 14 15 16 17 12 1 2 3 4 5 6 7 8 9 10 11 19 18 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
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HIGH LEVEL INPUTS L+R(SUM MONO) RIGHT(BRIDGED) STEREO EQS744 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 w
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WIRING 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
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EQS744 SYSTEM SET-UP Setting System Volume After completing the system wiring, follow the steps below to properly adjust the EQS744. 1. Turn the master control volume on the EQS744 and the amplifier gain controls to their minimum setting. 2. Turn the source unit on and increase the volume until distortion is heard, then reduce volume just below this point. * Once the source unit volume has been set, it will no longer be used. Always use the volume control on the EQS744 as the master (main) vol
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TROUBLESHOOTING Owner’s Manual TROUBLESHOOTING Problem Unit does not work; no lights. Solution Power wires are not connected. Check battery and ground wiring at unit; check battery connections Problem Sound is distorted. Solution Source unit volume is set too high. Reduce source unit volume. EQ controls are set too high. Turn EQ controls to the center position and listen for distortion again. If problem still occurs, see your authorized Clarion dealer. Speakers may be damaged. Consult your auth
