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ONKYO TX-NR646 AV Receiver: Basic Manual

Your guide to setup, connections, and operation.

Welcome to Your ONKYO TX-NR646

This manual provides essential information for setting up and operating your ONKYO TX-NR646 AV Receiver. It covers initial connections, system configuration, audio and video playback, and advanced features to enhance your home entertainment experience.

Key Features

Support for Dolby Atmos and DTS:X for immersive, object-based audio.
7.2-channel amplification for robust sound.
Advanced network capabilities including Internet Radio, DLNA, and AirPlay.
Wi-Fi and Bluetooth connectivity for wireless streaming.
Multiple HDMI inputs/outputs with 4K and HDCP 2.2 support.
AccuEQ Room Calibration for optimized sound based on your room acoustics.
Multi-zone audio playback for different rooms.

Getting Started and Operation

This manual guides you through:

Step 1: Connections - Connecting speakers, TVs, and other audio/video sources.
Step 2: Initial Setup - Including AccuEQ Room Calibration and network configuration.
Step 3: Playing Back - Basic operations, network functions, radio, and multi-zone audio.
Troubleshooting - Solutions for common issues.
Specifications - Technical details of the receiver.

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