1. Úvod
The Denon DRA-900H is a 2-channel stereo network receiver designed to deliver high-fidelity audio and advanced video capabilities. It features 100W per channel amplification, built-in HEOS for multi-room audio streaming, and supports 8K video processing with HDCP 2.3, ARC/eARC, Dolby Vision, HLG, and Dynamic HDR. This manual provides essential information for setting up, operating, and maintaining your DRA-900H receiver.
Obrázek 1.1: Přední strana view of the Denon DRA-900H Stereo Network Receiver with its remote control.
2. Obsah balení
Ověřte, zda jsou v balení obsaženy všechny níže uvedené položky:
- Denon DRA-900H Main Unit
- Napájecí kabel
- Remote Control and 2 x AAA Batteries
- AM / FM antény
- Audyssey Microphone and Stand
- Literature (User Manual, Quick Start Guide)
- Drátěné štítky
3. Bezpečnostní informace
Before operating the unit, please read all safety instructions carefully. Keep this manual for future reference. Do not expose the unit to rain or moisture to reduce the risk of fire or electric shock. Ensure proper ventilation and avoid blocking ventilation openings. Refer all servicing to qualified service personnel.
4. Connections and Setup
This section guides you through connecting your DRA-900H to speakers, audio/video sources, and your network.
4.1 Zadní panel Overview
Obrázek 4.1: Detailní view of the DRA-900H rear panel, highlighting connection points for speakers, HDMI, network, and analog audio.
4.2 Připojení reproduktorů
The DRA-900H supports a 2-channel stereo setup. Connect your left and right speakers to the corresponding SPEAKER terminals (A or B) on the rear panel. Ensure correct polarity (positive to positive, negative to negative).
4.3 Připojení HDMI
Connect your video sources (e.g., Blu-ray player, game console, streaming device) to the HDMI IN ports. Connect your TV to the HDMI OUT (ARC/eARC) port. The DRA-900H features 3 dedicated 8K inputs and 1 output supporting 8K/60Hz and 4K/120Hz pass-through.
Image 4.2: A hand connecting an HDMI cable to one of the HDMI input ports on the receiver's rear panel.
4.4 Připojení zdrojů zvuku
- Analogový zvuk: Use RCA cables to connect devices like CD players or tape decks to the AUDIO IN ports.
- Phono vstup: Connect a turntable to the PHONO (MM) input. Ensure your turntable has a Moving Magnet (MM) cartridge.
- Digitální zvuk: Use optical or coaxial cables for digital audio sources.
- USB: Connect a USB storage device to the front panel USB port for audio playback.
Image 4.3: The DRA-900H receiver positioned next to a turntable, illustrating a common setup for vinyl playback.
4.5 Síťové připojení
Connect the receiver to your home network via an Ethernet cable to the NETWORK port or wirelessly using the built-in Wi-Fi. Ensure the antennas are properly connected for optimal wireless performance.
4.6 Připojení napájení
After all other connections are made, connect the power cord to the AC IN terminal on the rear panel and then to a wall outlet.
4.7 Asistent počátečního nastavení
Upon first power-on, an on-screen Setup Assistant will guide you through the initial configuration steps, including speaker calibration with the Audyssey microphone, network settings, and input assignments. Follow the instructions displayed on your TV screen.
5. Základní obsluha
5.1 Zapnutí/vypnutí
Stisknutím tlačítka POWER na předním panelu nebo na dálkovém ovladači zapnete nebo vypnete přístroj.
5.2 Výběr vstupu
Use the SOURCE SELECT knob on the front panel or the input selector buttons on the remote control (e.g., CD, HDMI, PHONO) to choose your desired audio/video source.
5.3 Ovládání hlasitosti
Adjust the volume using the VOLUME knob on the front panel or the VOLUME +/- buttons on the remote control.
Ovládání 5.4 tónů
The DRA-900H includes BASS and TREBLE controls on the front panel to adjust the low and high frequency response of your audio.
6. Pokročilé funkce
6.1 Vestavěný systém HEOS
HEOS technology allows you to stream music wirelessly from various online services, local network storage, or USB drives to the DRA-900H and other HEOS-enabled devices in your home. Control HEOS functions using the dedicated HEOS app on your smartphone or tablet.
Image 6.1: A smartphone screen showing the HEOS app, which allows control over music streaming and multi-room audio.
6.2 Hlasové ovládání
The DRA-900H is compatible with major voice assistants. You can use voice commands to change audio tracks, control volume, switch inputs, and manage music playback. Refer to the specific voice assistant's documentation for setup and command details.
6.3 Přehrávání zvuku ve vysokém rozlišení
The receiver supports high-resolution audio formats, which can be played from network sources or a USB memory device connected to the front panel USB port.
6.4 Bezdrátové připojení
In addition to HEOS, the DRA-900H supports Bluetooth and AirPlay 2 for direct wireless streaming from compatible devices.
Image 6.2: The front panel of the DRA-900H, indicating its wireless connectivity features like Bluetooth and Wi-Fi.
7. Řešení problémů
If you encounter issues with your DRA-900H, refer to the following common problems and solutions:
- Bez napájení: Ensure the power cord is securely connected to both the receiver and the wall outlet. Check the power switch on the unit.
- Žádný zvuk: Verify speaker connections and polarity. Check the input source selection. Ensure the volume is not muted or set too low. Confirm that the correct audio output is selected on your TV or source device.
- Žádné video: Check HDMI cable connections between the source, receiver, and TV. Ensure the correct HDMI input is selected on the receiver and the correct input on your TV.
- Problémy s připojením k síti: Verify your Ethernet cable connection or Wi-Fi settings. Restart your router and the receiver.
- Dálkové ovládání nefunguje: Zkontrolujte baterie v dálkovém ovladači. Ujistěte se, že mezi dálkovým ovladačem a infračerveným senzorem přijímače nejsou žádné překážky.
For more detailed troubleshooting, consult the full online manual or Denon support resources.
8. Specifikace
Key technical specifications for the Denon DRA-900H:
| Funkce | Specifikace |
|---|---|
| Rozměry produktu | 13.3 x 17.1 x 5.9 palce |
| Hmotnost položky | 22.5 libry |
| Číslo modelu položky | DRA900H |
| Značka | Denon |
| Technologie připojení | Bluetooth, WiFi, Ethernet |
| Typ ovladače | Android, iOS (HEOS App), Remote Control |
| Speciální funkce | ARC/eARC, HEOS Built-in, Voice Control Compatibility |
| Kompatibilní zařízení | Speakers, Turntables, CD Players, Game Consoles, Streaming Devices |
| Celkový počet portů HDMI | 7 (6 vstupů / 1 výstupy) |
| Kódování zvuku | Stereo |
| Režim zvukového výstupu | Stereo |
| Konfigurace kanálů prostorového zvuku | 2 kanál |
9. Údržba
To ensure the longevity and optimal performance of your DRA-900H, follow these maintenance guidelines:
- Čištění: Gently wipe the exterior surfaces with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or chemical sprays.
- Větrání: Ensure that the ventilation openings on the top and sides of the unit are not blocked. Adequate airflow prevents overheating.
- Odstranění prachu: Periodically use a soft brush or a vacuum cleaner with a brush attachment to remove dust from the vents.
- Napájecí kabel: Pravidelně kontrolujte napájecí kabel, zda nejeví známky poškození.
10. Záruka a podpora
For information regarding the product warranty, please refer to the warranty card included in your package or visit the official Denon website. For technical support, product registration, or service inquiries, please visit the Denon support page or contact their customer service directly.
Oficiální Denon Webmísto: www.denon.com
