Denon AVR-400 Manual

The Denon AVR-400 is a high-performance audio/video receiver designed to deliver an immersive home theater experience. It supports various audio formats, including Dolby Atmos and DTS:X, and features multiple HDMI inputs for connecting various devices. The AVR-400 also includes advanced calibration technology to optimize sound quality based on your room's acoustics. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: HDMI inputs, Dolby Atmos support, DTS:X, built-in Wi-Fi and Bluetooth, advanced calibration technology, and multiple audio formats.

Feature	Description
HDMI Inputs	Multiple inputs for connecting devices like Blu-ray players and gaming consoles.
Dolby Atmos	Provides a three-dimensional sound experience.
DTS:X	Advanced audio format for immersive sound.
Wi-Fi & Bluetooth	Wireless connectivity for streaming music and audio.
Calibration Technology	Optimizes sound based on room acoustics.

Installation

Unpack and inspect contents. Place the receiver on a stable surface.

1. Connect speakers: Use the appropriate speaker terminals for your setup.
2. Connect video sources: Use HDMI cables for video input.
3. Plug into AC power.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the receiver; follow on-screen prompts.

1. Program channels automatically: Use the setup menu to configure.
2. Set audio preferences: Adjust settings based on your audio system.
3. For streaming: Connect to Wi-Fi and configure streaming services.

CAUTION! Ensure stable surface; avoid overheating.

Specifications

• Audio Channels: 7.1 channel surround sound.
• Power Output: 100 watts per channel.
• Supported Formats: Dolby Atmos, DTS:X, PCM.
• Inputs: 6 HDMI, 2 optical, 2 coaxial.
• Wireless: Built-in Wi-Fi and Bluetooth.
• Dimensions: 17.1 x 13.4 x 6.3 inches.
• Weight: 22.5 lbs.

Controls and Settings

Access OSD via remote control. Front Panel: POWER, INPUT SELECTOR, VOLUME.

Remote: POWER, INPUT, VOLUME, MENU, SETUP.

Audio settings: Adjust bass, treble, and balance. Video settings: Configure resolution and aspect ratio.

Connecting Devices

Connect devices using HDMI, optical, or coaxial cables.

1. Turn off the receiver and devices before connecting.
2. Match cables to ports accordingly.
3. Select input via remote control.

Tip: Ensure all devices are powered off during connections.

Playing Audio/Video Media

Supports various audio and video formats.

1. Insert media: Use the appropriate input source.
2. Play: Use the remote control to start playback.
3. Stop: Press STOP to halt playback.
4. Skip: Use the NEXT/PREV buttons for tracks.

WARNING! Do not force media into the slot; eject properly.

Accessibility Features

Closed Captions: Enable in settings for supported media. Audio descriptions available for select content.

Care & Cleaning

Unplug before cleaning. Use a dry cloth only; avoid liquids.

CAUTION! Do not spray liquids; keep away from heat and moisture.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. For support, visit www.denon.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote does not work	Obstacles/batteries	Remove obstacles; point at IR sensor; install fresh batteries.
No sound	Connections/mute	Ensure receiver is on; check connections; adjust mute.
Picture not clear	Settings	Adjust video settings in the menu.
Channels not programming	Antenna/menu	Use auto-program in menu; ensure antenna connected.
Media not playing	Media/loading	Ensure media is loaded properly; check for damage.

Reset: Menu > System > Reset if available.

Service: Visit www.denon.com for support.