1. Úvod
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. Bezpečnostní informace
- Před zahájením jakékoli instalace vždy odpojte baterii vozidla.
- Ujistěte se, že veškeré vedení je řádně izolováno, aby se zabránilo zkratu.
- Mount the equalizer securely to avoid movement during vehicle operation.
- Do not operate the unit in wet conditions or expose it to excessive moisture.
- Pokud si nejste jisti některou částí procesu instalace, poraďte se s profesionálním instalatérem autorádií.
3. Obsah balení
Verify that all items are present in your GR-EQ9 package:
- Gravity 7 Band Graphic Equalizer GR-EQ9 Unit
- Montážní držáky
- Montážní šrouby
- Kabeláž pro napájení/uzemnění/dálkové ovládání
- Uživatelská příručka
Image: Included mounting brackets, screws, and wiring harness for the GR-EQ9.
4. Konec produktuview
4.1. Ovládací prvky na předním panelu
Obrázek: Nahoře view of the GR-EQ9 front panel with all controls.
- PODÚROVEŇ: Upravuje výstupní úroveň subwooferu.
- HLASITOST: Master volume control for the entire system.
- SUB FREQ: Adjusts the low-pass crossover frequency for the subwoofer output (60Hz to 90Hz).
- Fader: Vyrovnává zvukový výstup mezi přední a zadní reproduktory.
- 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. Připojení zadního panelu
Image: Close-up of the GR-EQ9 rear panel connections.
- MAIN IN (L/R): RCA inputs for the primary audio source (e.g., head unit).
- AUX IN (L/R): RCA inputs for an auxiliary audio source.
- FRONT OUT (L/R): RCA outputs for front speakers.
- REAR OUT (L/R): RCA outputs for rear speakers.
- SUB OUT (L/R): RCA outputs for subwoofer amplifier. This output features a 10V line driver.
- Power Terminals (+12V, REM, GND): Connections for power, remote turn-on, and ground.
5. Nastavení
5.1. Instalace
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. Zapojení
Proper wiring is crucial for optimal performance and safety. Ensure all connections are secure and correctly polarized.
- Připojení napájení (+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.
- Zemní připojení (GND): Connect the GND wire to a clean, unpainted metal surface on the vehicle chassis.
- Dálkové zapnutí (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 vstupy: Connect the RCA output from your head unit to the HLAVNÍ IN (L/R) inputs on the GR-EQ9. If using an auxiliary device, connect its RCA output to the AUX IN (L/R) inputs.
- RCA výstupy: Připojte PŘEDEM VEN (L/R), REAR OUT (L/R), and VYHLEDAT (L/R) from the GR-EQ9 to the corresponding inputs on your ampzáchranáři.
6. Návod k obsluze
Once installed, the GR-EQ9 allows for precise audio customization.
- Zapnutí: The unit will power on automatically when the remote turn-on signal is received from your head unit.
- Výběr vstupu: Použijte AUX/CD Selector button to switch between your main audio source (CD) and the auxiliary input (AUX).
- Ovládání hlasitosti: Upravte OBJEM knob to set the overall listening level.
- Ovládání subwooferu:
- Použijte PODÚROVEŇ knob to control the output volume of your subwoofer.
- Upravte SUB FREQ knob to set the low-pass crossover point for the subwoofer, typically between 60Hz and 90Hz, to blend with your main speakers.
- Úpravy ekvalizéru: 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.
- Ovládání faderu: The FADER knob allows you to adjust the balance of sound between your front and rear speakers.
- Nastavení vstupní úrovně: Použijte HIGH LEVEL / MAIN LEVEL switch and corresponding knobs to match the input signal level from your head unit, preventing distortion.
7. Údržba
- Udržujte jednotku v čistotě otřením měkkým suchým hadříkem.
- Vyhněte se používání agresivních chemikálií nebo abrazivních čisticích prostředků.
- Ujistěte se, že všechna spojení zůstanou bezpečná a bez koroze.
8. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Žádná síla | Blown fuse; incorrect wiring; no remote signal. | Check and replace fuse; verify +12V, GND, and REM connections. |
| Žádný zvuk | Incorrect RCA connections; amplifier not powered; input source issue. | Verify all RCA cables are connected correctly; ensure amplifiers are on; check head unit output. |
| Zkreslený zvuk | 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 ampnastavení zisku čističe. |
9. Specifikace
- Model: GR-EQ9
- Rozměry produktu: 1.8 x 9 x 7.7 palce
- Hmotnost položky: 1.6 libry
- Equalizer Bands: 7 (50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, 16KHz)
- Boost/Cut: -12 dB to +12 dB per band
- Dělicí frekvence subwooferu: Adjustable (60Hz-90Hz)
- Line Driver Output: 10V (Subwoofer Output)
- Napájení: 9V-16V DC
- Speciální vlastnosti: EPICENTER, Fully Adjustable EQ Bands, Line Driver, RCA Output, Subwoofer Control
10. Záruka
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. Podpora
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 webmísto.