Denon S81 Manual

The Denon S81 is a versatile audio receiver designed to deliver high-quality sound for both music and home theater applications. It features advanced audio processing technology, multiple input options, and a user-friendly interface. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Playing Audio Media 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-performance audio processing, multiple HDMI inputs, Bluetooth connectivity, and a remote control.

Feature	Description
HDMI Inputs	Multiple inputs for connecting various devices
Bluetooth Connectivity	Stream audio wirelessly from compatible devices
Audio Processing	Advanced algorithms for enhanced sound quality
Remote Control	Convenient control of all functions from a distance
Speaker Outputs	Connect multiple speakers for surround sound
Subwoofer Output	Dedicated output for enhanced bass response
Equalizer Settings	Customize sound profiles to suit your preferences
Power Output	High wattage for driving speakers effectively

Installation

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

Connect speakers: Use appropriate speaker wire for connections.
Connect audio/video sources: Use HDMI or RCA cables as needed.
Connect power: Plug into a suitable AC outlet.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the receiver; follow on-screen prompts for initial configuration.

Select input source: Use the remote to choose the desired input.
Set up speakers: Follow the on-screen instructions to configure speaker settings.
Adjust audio settings: Use the menu to customize sound preferences.

CAUTION! Ensure stable surface; avoid overheating.

Specifications

Power Output: 80 watts per channel.
Audio Formats Supported: Dolby Digital, DTS, PCM.
Inputs: 4 HDMI, 2 optical, 2 coaxial, 3 RCA.
Bluetooth Version: 5.0.
Weight: 7.5 kg.
Dimensions: 430 x 350 x 150 mm.
Operating Temperature: 0°C to 40°C.

Controls and Settings

Access settings via the on-screen display or remote control. Key controls include power, volume, input selection, and audio settings.

Remote: Power, volume, input selection, and audio mode buttons.

Audio settings include bass, treble, balance, and surround sound options.

Connecting Devices

Connect various audio and video devices using HDMI, optical, or RCA connections.

Turn off all devices before connecting.
Match cables to ports appropriately.
Select the correct input on the receiver for the connected device.

Tip: Ensure all devices are powered off during connections.

Playing Audio Media

Supports various audio formats including MP3, WAV, and FLAC.

Connect your audio source: Use Bluetooth or wired connections.
Select the input source: Use the remote to choose the connected device.
Play audio: Use the play controls on the device or remote.

WARNING! Avoid high volume levels to prevent speaker damage.

Accessibility Features

Closed captions and audio descriptions can be enabled through the settings menu for enhanced accessibility.

Care & Cleaning

Unplug the receiver before cleaning. Use a dry cloth only; avoid liquids or aerosols.

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

Regulatory Information

FCC compliance: This device complies with Part 15 of the FCC Rules. For support, visit www.denon.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound	Incorrect input selected	Check input source and volume settings.
Remote not working	Batteries dead	Replace batteries in the remote control.
Distorted sound	Speaker connections	Check speaker wire connections for secure fit.
Device not connecting	Bluetooth issues	Ensure Bluetooth is enabled on the source device.

Reset: Menu > System > Reset if available.

Service: Visit www.denon.com for support.