The Denon AVR 687 is a versatile 7.1 channel AV receiver that supports various audio and video formats, including Dolby Digital, DTS, and HDMI. It features multiple inputs for connecting various devices, advanced audio processing capabilities, and a user-friendly interface. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: 7.1 channel audio, HDMI inputs, built-in AM/FM tuner, and advanced sound processing.
| Feature | Description |
|---|---|
| HDMI Inputs | Multiple HDMI inputs for connecting various devices |
| Dolby Digital | Supports Dolby Digital surround sound |
| DTS | Compatible with DTS audio formats |
| AM/FM Tuner | Built-in tuner for radio reception |
| Zone 2 Output | Allows audio playback in a second room |
| Remote Control | Includes a remote for easy operation |
| On-Screen Display | User-friendly interface for setup and adjustments |
Unpack and inspect contents. Place the receiver on a stable surface.
WARNING! Ensure all connections are secure to avoid damage.
Power on the receiver; follow on-screen prompts to configure settings.
CAUTION! Ensure stable surface; avoid overheating.
Access settings via the on-screen display or remote control. Key controls include POWER, INPUT, VOLUME, and MENU.
Remote: Includes buttons for quick access to audio settings and input selection.
Connect various devices using HDMI, optical, or analog inputs.
Tip: Ensure all connections are secure to avoid signal loss.
Supports playback of various audio and video formats.
WARNING! Do not force connections; ensure compatibility.
Includes features for hearing-impaired users, such as closed captions and audio descriptions.
Unplug before cleaning. Use a dry cloth; avoid liquids.
CAUTION! Do not use abrasive cleaners; keep away from moisture.
Complies with FCC regulations for digital devices. For support, visit www.denon.com or contact customer service.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Remote does not work | Obstacles/batteries | Remove obstacles; replace batteries. |
| No sound | Connections/mute | Check connections; ensure mute is off. |
| Picture not clear | Settings | Adjust video settings in the menu. |
| Channels not programming | Antenna/menu | Ensure antenna is connected; use auto-program. |
| Device not recognized | Connection issue | Check connections; restart devices. |
Reset: Menu > System > Reset if available.
Service: Visit www.denon.com for support.