Table of Contents

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AV Receiver
DTR-80.3
DTR-70.3
Instruction Manual

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Table of Contents
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Summarization of Contents

Precautions
FCC Information for User
User information and compliance details for FCC regulations.
Supplied Accessories
Installing the batteries
Instructions for installing batteries in the remote controller.
Features
Amplifier
Technical specifications for the amplifier section of the receiver.
Connections
Overview of available input and output connection ports.
Front & Rear Panels
Front Panel
Identification and function of controls on the front panel.
Rear Panel
Identification and function of connections on the rear panel.
Remote Controller
Controlling the AV Receiver
How to use the remote to operate the AV receiver.
Connecting the AV Receiver
Connecting Your Speakers
Guide to connecting speaker cables to the receiver terminals.
About AV Connections
General information and cable types for connecting AV components.
Connecting Components with HDMI
How to connect video and audio components using HDMI cables.
Turning On & Basic Operations
Turning On/Off the AV Receiver
Steps to power the AV receiver on and off.
Playback
Playing the Connected Component
Procedures for playing audio/video from connected source components.
Controlling Contents of USB or Network Devices
How to browse and play media from USB drives or network devices.
Listening to AM/FM Radio
Instructions for tuning into and enjoying AM/FM radio stations.
Using Basic Functions
Using the Automatic Speaker Setup
Step-by-step guide for automatic speaker calibration using the microphone.
Using the Listening Modes
Selecting Listening Modes
How to choose different sound processing modes for various content.
Using the Home Menu
Audio
Access to audio settings like sound program, bass, and Audyssey.
Video
Access to video settings like wide mode and picture mode.
Advanced Setup
Common Procedures in Setup Menu
General steps for navigating and making settings in the setup menus.
Input/Output Assign
HDMI Input
Assigning HDMI inputs to specific input selectors on the receiver.
Speaker Setup
Speaker Configuration
Specifying connected speakers and crossover frequencies for each.
Audyssey
Audyssey
Enabling or disabling Audyssey sound processing and modes.
Dynamic EQ
Adjusting sound quality for low volume listening levels.
Picture Adjust
Picture Mode
Selecting preset picture modes or customizing settings.
Troubleshooting
Can’t turn on the AV receiver
Steps to resolve issues when the AV receiver does not power on.
There’s no sound, or it’s very quiet
Solutions for audio output issues, including no sound or low volume.
Firmware Update
Update via network
Instructions for updating the AV receiver's firmware using a network connection.
Update via USB storage
Instructions for updating the AV receiver's firmware using a USB device.
Connection Tips and Video Signal Path
Video Connection Formats
Overview of different video connection types supported by the receiver.
Network/USB Features
Connecting to the Network
How to connect the AV receiver to a home network for internet access.
Server playback
How to play digital music files from a computer or media server.
Specifications (DTR-80.3)
Amplifier Section
Detailed technical specifications for the amplifier section.
Tuner Section
Detailed technical specifications for the tuner section.
Specifications (DTR-70.3)
Amplifier Section
Detailed technical specifications for the amplifier section.
Tuner Section
Detailed technical specifications for the tuner section.

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