Harman Kardon AVR 255 User Manual

AVR 255/AVR 355 Audio/Video Receiver
OWNER’S MANUAL
Composit
AVR
Info
R
esolution Audio Effects
Video Modes
S
urround Modes
Back/Exit
S
ource List
AB
L
K
OK
ENGLISH

Harman Kardon AVR 255 Specifications

General

Impedance	8 Ω
Frequency range	20 - 20000 Hz
Audio output channels	7.1 channels
Signal-to-Noise Ratio (SNR)	100 dB
Total Harmonic Distortion (THD)	0.07 %
HDMI	Yes
Audio system	Dolby Digital
Dimensions (WxDxH)	440 x 351 x 151 mm
Power requirements	2 x 65 W
HDMI ports quantity	3
Output power description	192 kHz
S-Video inputs quantity	1
Component video (YPbPr/YCbCr) in	4
Headphone connectivity	-
Product color	Black, Silver

Weight and Dimensions

Weight	13600 g

Summary

Introduction to Harman Kardon AVR

Description and Key Features

Highlights the receiver's capabilities, including surround sound and video processing.

Safety Information and Precautions

Important Safety Instructions

Crucial precautions for safe operation and installation of the apparatus.

Front Panel Controls Overview

Rear Panel Connections Guide

Main Remote Control Functions

Remote Button Functions Explained

Explanation of each button's primary function on the AVR remote control.

Installation and Connections

HDMI Connections and Setup

Details on connecting HDMI devices and configuring video/audio signals.

Speaker Selection and Placement

Speaker Installation Guidelines

Recommendations for optimal speaker placement and configuration for surround sound.

System Configuration

Source Selection and Setup

Assigning audio/video inputs and configuring settings for each source device.

System Calibration and Adjustments

Speaker Setup with EzSet/EQ

EzSet/EQ Calibration Process

Step-by-step guide for using the EzSet/EQ microphone for automatic speaker calibration.

Manual Speaker Setup

Determine Speaker Crossover

Manual process for setting speaker crossover frequencies based on specifications.

Measure Speaker Distances

Manual process for measuring speaker distances for delay settings.

Manual Configuration Options

Number of Speakers and Crossover

Configuring speaker presence and crossover frequencies manually.

Speaker Level and Distance Adjustment

Adjust Speaker Distance Menu

Manually setting speaker distances for precise audio delay calibration.

Setting Channel Output Levels Manually

Adjusting individual speaker channel output levels for balanced sound.

Audio Level Reset and Test Tone

Reset Speaker Levels

Option to reset all speaker levels to factory default (0dB).

Using the Test Tone Feature

Utilizing the internal test tone to adjust speaker levels and modes.

Surround Mode Chart

Dolby and DTS Surround Modes

Basic Operation and Settings

Turning AVR On/Off and Mute Function

Source Selection and Video Input

Digital Audio Signal Information

Understanding Digital Audio Formats

Multiroom Operation Setup

Multiroom Audio and IR Link Configuration

Surround Amplifier Channel Assignment for Multiroom

Audio Effects and Advanced Features

Audio Effects and Tone Controls

Tuner Operation

Tuning Stations and RDS Features

Programming the Remote Control

Direct Code Entry and Auto-Search Method

Methods for programming the remote to control various audio/video devices.

Remote Programming: Learning and Erasing Codes

Learning Codes from Other Remotes

Erasing Learned Codes

Activity Programming and Device Functions

Activity Programming (Macros)

Creating sequences of commands for automated device control.

Troubleshooting Guide

Symptom-Cause-Solution Guide

Common issues and their corresponding causes and solutions for the AVR.

Processor Reset Procedure

Steps to perform a system reset to resolve operational anomalies.

Technical Specifications

Audio and Tuner Specifications

Video and General Specifications