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Harman Kardon AVI 250 User Manual

Harman Kardon AVI 250
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Harman
Kardon
AVI
250
Audio/Video
Amplifier
Owner’s
Manual
harman/kardon
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Harman Kardon AVI 250 Specifications

General IconGeneral
TypeIntegrated Amplifier
Frequency response1Hz to 100kHz
Total harmonic distortion0.09%
Input sensitivity0.12mV (MC), 2.5mV (MM), 150mV (line)
Dimensions443 x 103 x 361mm
Weight7.7kg
Power output50W per channel into 8Ω
Input Impedance47kΩ (line)

Summary

Front Panel Controls

Information Display

Describes the main display panel and its indicators for status and messages.

Front Panel Buttons and Knobs

Explains the function of all buttons, knobs, and jacks on the front panel for operation.

Rear Panel Connections

Audio and System Connections

Details all audio input/output and system control jacks on the rear panel.

Video Connections

Details all video input/output jacks on the rear panel for sources.

Introduction and Features

Welcome and Product Overview

Congratulates the user and provides a general description of the amplifier's capabilities.

Key Features of the AVI 250

Lists the main capabilities, technologies, and design philosophies of the unit.

Safety Information

Important Safety Warnings

Covers voltage compatibility, cord safety, cabinet access, and placement precautions.

Installation Location and Cleaning

Guidelines for proper placement, ventilation, and cleaning of the unit.

Moving the Unit and Plug Information

Procedures for safely moving the unit and important plug safety information.

Unpacking and Installation

Carton and Shipping Materials

Advice on saving, flattening, or disposing of packaging materials.

Installation Location Guidelines

Detailed advice on placing the unit for optimal operation and safety.

Conventions

Manual Notation Conventions

Explains the symbols and formatting used in the manual for clarity.

Front Panel Information Display Details

Display Element Functions

Explains the meaning of various indicators and messages on the front panel display.

Remote Control Functions

Basic Remote Operations

Covers power, source selection, volume, mute, and transport controls.

Tuning, Source-Specific Functions, and Copying

Details tune/search, channel/skip, disc/deck, and copy functions.

Remote Control Functions

Input and Setup Controls

Covers numeric keys, p-scan, memo, delay, menu, select, display, test, speaker, and level adjust.

Remote Status Indicators and Direct Input

Covers LEDs and the 6 Channel Direct button functions.

System Setup and Configuration

Making Audio and Video Connections

Guides for connecting various audio/video sources and outputs to the rear panel.

Speaker Cable Recommendations

Advice on speaker cable quality, gauge, and installation.

Speaker Polarity and Placement

Importance of correct polarity and initial speaker placement for sound quality.

System Setup and Configuration

System and Power Connections

Details power connections and system setup requirements.

Remote Control Expansion

How to use an external IR sensor if the unit is obstructed.

External Audio Power Amplifier Connections

Connecting to external amplifiers via PRE OUT jacks.

System Setup and Configuration

Speaker Connections with External Amplifiers

How to connect speakers when using external amplifiers for front channels.

AC Power Connections

Details accessory AC outlets and the main power connection.

Remote Control Programming & Operation

Loading Batteries

Instructions for replacing remote control batteries.

Remote Control Range and Usage

Describes the operating range and aiming requirements for the remote.

Programmable Keys Overview

Explains which keys on the remote control can be programmed.

Remote Control Programming & Operation

Programmable Key Categories

Details keys that can be programmed with single or multiple codes.

Remote Programming Steps

Step-by-step guide to learning new remote control codes.

Clearing Remote Memory

Instructions for clearing individual keys or the entire remote's programmed memory.

System Configuration

Speaker Selection and Placement

Guidance on choosing and positioning speakers for optimal sound.

Speaker Placement Diagrams

Illustrations showing recommended speaker placement for different setups.

System Configuration

Surround Speaker Placement

Specifics on placing surround speakers relative to the listening position.

Subwoofer Placement

Advice on positioning the subwoofer for optimal bass response.

System Settings - Initial Setup

Steps to start system configuration using on-screen menus.

System Configuration

Center Channel Mode Selection

How to set the center channel mode (Large, Small, None).

Subwoofer Setting

Option to enable or disable the subwoofer.

Multiroom Volume Control Setup

Configuring volume control for multiroom operation.

Setting Up Lock and Level Adjust

Locking configuration settings and adjusting volume levels.

System Configuration

Locking System Settings

How to lock or unlock configuration settings to prevent changes.

Output Level Calibration (Test Tone)

Using test tone to balance speaker levels for optimal output.

Speaker Level Adjustment Procedure

Step-by-step guide for adjusting speaker volume using test signals.

Basic Operation

Powering On and Source Selection

How to turn the unit on and choose input sources for listening.

Volume and Surround Mode Control

Adjusting volume and selecting surround sound modes.

Basic Operation

Surround Mode Selection Methods

Different ways to select surround modes via front panel or remote.

TV Auto Function

Feature that automatically turns the system on with a TV signal.

On Screen Display System

Displaying Status and Function Information

How status screens, messages, and indicators appear on the TV.

Function Displays and Messages

Describes temporary messages shown for functions like mode changes.

On Screen Display System

Input and Status Displays

Covers displays for input selection, tape copy, volume, and mute.

On-Screen Menu Navigation

Explains controlling the unit via on-screen menus for system settings.

On Screen Display System

Input Selection Menu Details

Details for navigating the input selection menu.

Record Out Selector and Surround Mode Menus

Details menus for record out selection and surround mode adjustments.

Advanced Features

Dubbing and Simulcast Recording

How to perform audio, video, and simulcast recordings.

Advanced Features

Simulcast Recording Procedure

Steps for creating a simulcast recording with separate audio/video sources.

Delay Time Adjustment

Customizing surround sound delay settings for optimal acoustics.

Direct Digital Decoding

Using digital inputs to avoid analog conversion for improved sound.

Advanced Features

Digital Audio Inputs for Decoding

Connecting LD players with coaxial digital output for direct decoding.

6 Channel Direct Operation

Connecting external multichannel audio decoders for discrete surround sound.

Advanced Features

Surround Mode Chart

Detailed comparison of surround modes, features, and delay time ranges.

Multiroom Operation

Multiroom System Installation

Connecting IR sensors and audio links for remote rooms.

Multiroom Wiring Notes

Important notes on cable routing, safety, and interference prevention.

Multiroom Setup Procedure

Steps for configuring multiroom settings via the main unit.

Multiroom Operation

Multi Room Selector Menu

Selecting the input source for the multi room system.

Multiroom Volume Control Configuration

Setting volume control options (Variable/Fixed) for remote rooms.

Multiroom Operation

Activating Remote Room Feed

How to turn on the remote room feed using the MULTI button.

Operating Multiroom Zones

Controlling multiroom zones from main or remote locations.

Troubleshooting and Memory Backup

Troubleshooting Common Issues

A chart of symptoms, causes, and solutions for common operational problems.

Memory Backup Functionality

Explanation of the system configuration memory backup and its limitations.

Technical Specifications

Audio and Video Specifications

Detailed electrical and performance specifications for audio and video sections.

General Product Specifications

Covers power requirements, dimensions, weight, and other general details.

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