1. Įvadas
Thank you for choosing the Gravity 7 Band Graphic Equalizer GR-EQ9. This equalizer is designed to provide precise control over your car audio system, allowing you to fine-tune sound frequencies for an enhanced listening experience. Please read this manual thoroughly before installation and operation to ensure proper use and optimal performance.
2. Saugos informacija
- Prieš pradėdami bet kokį montavimą, visada atjunkite automobilio akumuliatorių.
- Įsitikinkite, kad visi laidai yra tinkamai izoliuoti, kad išvengtumėte trumpojo jungimo.
- Mount the equalizer securely to avoid movement during vehicle operation.
- Do not operate the unit in wet conditions or expose it to excessive moisture.
- Jei nesate tikri dėl kurios nors montavimo proceso dalies, kreipkitės į profesionalų automobilių garso sistemų montuotoją.
3. Pakuotės turinys
Verify that all items are present in your GR-EQ9 package:
- Gravity 7 Band Graphic Equalizer GR-EQ9 Unit
- Montavimo laikikliai
- Tvirtinimo varžtai
- Power/Ground/Remote Wiring Harness
- Vartotojo vadovas
Image: Included mounting brackets, screws, and wiring harness for the GR-EQ9.
4. Produktas baigtasview
4.1. Priekinio skydelio valdikliai
Vaizdas: Viršus view of the GR-EQ9 front panel with all controls.
- SUB LYGIS: Adjusts the output level of the subwoofer.
- TŪRIS: Master volume control for the entire system.
- SUB FREQ: Adjusts the low-pass crossover frequency for the subwoofer output (60Hz to 90Hz).
- FADER: Subalansuoja garso išvestį tarp priekinių ir galinių garsiakalbių.
- AUX/CD Selector: Switches between Main (CD) and Auxiliary (AUX) input sources.
- 7-Band Equalizer Knobs: Individual controls for 50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, and 16KHz frequencies. Each band can be boosted or cut by -12dB to +12dB.
- HIGH LEVEL / MAIN LEVEL: Input level adjustment for high-level or main RCA inputs to prevent distortion.
4.2. Galinio skydelio jungtys
Image: Close-up of the GR-EQ9 rear panel connections.
- PAGRINDINIS ĮĖJIMAS (K/D): RCA įėjimai pagrindiniam garso šaltiniui (pvz., pagrindiniam įrenginiui).
- AUX IN (kairysis / dešinysis): RCA įėjimai pagalbiniam garso šaltiniui.
- PRIEKINĖ IŠORĖ (K/D): RCA outputs for front speakers.
- GALINIS IŠORINIS (K/D): RCA outputs for rear speakers.
- Žemųjų dažnių garsiakalbio išėjimas (K/D): RCA outputs for subwoofer amplifier. This output features a 10V line driver.
- Power Terminals (+12V, REM, GND): Maitinimo, nuotolinio įjungimo ir įžeminimo jungtys.
5. Sąranka
5.1. Montavimas
The GR-EQ9 is designed for flexible installation in various vehicle locations. Consider a location that allows for easy access to controls and proper ventilation.
Image: Mounting diagram for the GR-EQ9.
- Choose a suitable mounting location (e.g., under the dashboard, in the center console).
- Use the provided mounting brackets as a template to mark screw holes.
- Drill pilot holes and secure the brackets using the supplied screws.
- Attach the GR-EQ9 unit to the mounted brackets.
5.2. Laidai
Proper wiring is crucial for optimal performance and safety. Ensure all connections are secure and correctly polarized.
- Maitinimo jungtis (+12V): Connect the +12V wire from the equalizer to a constant +12V power source from the vehicle's battery. Use an inline fuse (not supplied) for protection. The unit operates between 9V and 16V.
- Įžeminimo jungtis (GND): Connect the GND wire to a clean, unpainted metal surface on the vehicle chassis.
- Nuotolinis įjungimas (REM): Connect the REM wire to the remote output of your head unit. This will turn the equalizer on and off with your car's audio system.
- RCA įėjimai: Prijunkite RCA išvestį iš pagrindinio įrenginio prie PAGRINDINIS (L/R) inputs on the GR-EQ9. If using an auxiliary device, connect its RCA output to the Aux in (L/R) inputs.
- RCA išėjimai: Prijunkite PRIEKIS IŠORĖS (L/R), GALINĖ IŠVYNĖ (L/R), and IŠDUOTI (L/R) from the GR-EQ9 to the corresponding inputs on your ampgelbėtojai.
6. Naudojimo instrukcijos
Once installed, the GR-EQ9 allows for precise audio customization.
- Maitinimas: The unit will power on automatically when the remote turn-on signal is received from your head unit.
- Įvesties pasirinkimas: Naudokite AUX/CD Selector button to switch between your main audio source (CD) and the auxiliary input (AUX).
- Garsumo valdymas: Sureguliuokite TOMAS knob to set the overall listening level.
- Žemųjų dažnių garsiakalbio valdymas:
- Naudokite POLYGIS knob to control the output volume of your subwoofer.
- Sureguliuokite SUB FREQ knob to set the low-pass crossover point for the subwoofer, typically between 60Hz and 90Hz, to blend with your main speakers.
- Ekvalaizerio reguliavimas: Use the seven individual frequency knobs (50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, 16KHz) to boost or cut specific frequency ranges. Adjust these to tailor the sound to your preference and vehicle acoustics. Each band offers a range of -12dB to +12dB.
- Fader Control: The FADER knob allows you to adjust the balance of sound between your front and rear speakers.
- Įvesties lygio reguliavimas: Naudokite HIGH LEVEL / MAIN LEVEL switch and corresponding knobs to match the input signal level from your head unit, preventing distortion.
7. Priežiūra
- Laikykite įrenginį švarų, nuvalydami jį minkšta, sausa šluoste.
- Venkite naudoti stiprių cheminių medžiagų ar abrazyvinių valiklių.
- Įsitikinkite, kad visos jungtys yra tvirtos ir be korozijos.
8. Problemų sprendimas
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Nėra galios | Blown fuse; incorrect wiring; no remote signal. | Check and replace fuse; verify +12V, GND, and REM connections. |
| Nėra garso | Incorrect RCA connections; amplifier not powered; input source issue. | Verify all RCA cables are connected correctly; ensure amplifiers are on; check head unit output. |
| Iškraipytas garsas | Input level too high; equalizer settings too extreme; poor grounding. | Adjust input level using HIGH LEVEL/MAIN LEVEL controls; reduce EQ boost; check ground connection. |
| Noise/Hiss | Poor grounding; RCA cables too close to power wires; gain settings too high. | Ensure proper grounding; reroute RCA cables away from power wires; adjust amppakėlimo stiprinimo nustatymai. |
9. Specifikacijos
- Modelis: GR-EQ9
- Gaminio matmenys: 1.8 x 9 x 7.7 colio
- Prekės svoris: 1.6 svaro
- Ekvalaizerio juostos: 7 (50 Hz, 125 Hz, 315 Hz, 750 Hz, 2.2 kHz, 6 kHz, 16 kHz)
- Padidinti/Sumažinti: -12 dB to +12 dB per band
- Žemųjų dažnių garsiakalbio skersinio dažnis: Adjustable (60Hz-90Hz)
- Linijinio valdiklio išvestis: 10V (Subwoofer Output)
- Maitinimas: „9V-16V DC“
- Ypatingos savybės: EPICENTER, Fully Adjustable EQ Bands, Line Driver, RCA Output, Subwoofer Control
10. Garantija
This Gravity product is covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included with your purchase or contact customer support for specific terms and conditions. Keep your proof of purchase for warranty claims.
11. Parama
For technical assistance, troubleshooting, or warranty inquiries, please contact Gravity customer support. Contact details can typically be found on the product packaging or the official Gravity websvetainę.
