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General| Channels | 7.1 |
|---|---|
| HDMI Inputs | 3 |
| HDMI Outputs | 1 |
| Component Video Inputs | 2 |
| Component Video Outputs | 1 |
| Digital Audio Inputs (Optical) | 2 |
| Digital Audio Inputs (Coaxial) | 2 |
| Total Harmonic Distortion | 0.07% |
| Input Sensitivity | 200 mV |
| Signal-to-Noise Ratio | 100dB |
| Composite Video Inputs | 3 |
| Composite Video Outputs | 1 |
| Ethernet Port | No |
| USB Port | No |
| Bluetooth | No |
| Wi-Fi | No |
| Type | AV Receiver |
| Audio Formats Supported | Dolby Digital, DTS |
| Video Formats Supported | 1080p, 1080i, 720p |
| Frequency Response | 10 Hz - 100 kHz |
| Power Output | 50W per channel (8 ohms, 20Hz-20kHz, <0.07% THD, all channels driven) |
Provides critical guidelines for safe operation and installation of the audio/video receiver.
Covers the switches and LED for powering the unit on, off, and indicating its status.
Details all speaker terminals and preamp outputs for connecting speakers and external amplifiers.
Covers all remote functions for powering the AVR and other connected devices on and off.
Explains how to connect speakers using binding posts and observing polarity.
Details the benefits and setup of HDMI connections for digital audio and video signals.
Provides guidelines for positioning front left, right, and center speakers relative to the listening position.
Guides on connecting all speakers to the AVR, emphasizing correct polarity.
Explains using HDMI connections for audio and video, noting requirements for multichannel audio.
Guides on connecting recorders via HDMI and composite/S-video for playback and recording.
Provides detailed steps for programming remote control codes for different device types and brands.
Details connecting the subwoofer to the AVR, including options for dual subwoofers.
Details connecting set-top boxes via HDMI, component video, or S-video/composite for TV reception.
Guides on programming the remote to control various source devices by entering product codes.
Details the initial steps for powering on the AVR 254 for the first time.
Guides connecting source devices by matching them to appropriate AVR input connectors.
Provides detailed instructions for connecting disc players via HDMI, analog audio, and component video.
Guides on connecting the video display (TV) via HDMI or component video outputs.
Explains how to navigate and use the AVR's on-screen menu system for configuration.
Details plugging in and positioning the EzSet/EQ microphone for the automated setup process.
Explains the process of speaker equalization and calibration for optimal audio performance.
Explains assigning correct audio and video inputs to each source device based on physical connections.
Guides on using the EzSet/EQ system for automatic speaker calibration and system optimization.
Guides on selecting the number of speakers and running the speaker detection and calibration process.
Guides on assigning audio/video inputs, naming sources, and configuring related settings.
Details how to set the video output resolution based on display capabilities for optimal picture.
Guides on powering the receiver on and off from standby mode and the master power switch.
Guides on selecting different input sources for audio and video playback.
Details how to select and experiment with various surround sound modes for optimal audio experience.
Introduces the manual setup process as an alternative to EzSet/EQ for speaker configuration.
Explains how to configure the number of speakers present in the system within the manual setup.
Explains manual adjustment of individual speaker channel output levels using test tones or source material.
Details using test tones (AUTO/MANUAL) or source material for setting speaker levels.
Guides on determining speaker crossover frequencies based on technical specifications.
Guides on setting speaker crossover frequencies and subwoofer size in manual setup.
Provides methods for manually setting channel output levels using test tones or SPL meters.
Details accessing and navigating the manual speaker setup menus for configuration.
Offers solutions for power issues and problems with the display showing no sound or picture.
Provides steps to resolve issues related to no sound from speakers or incorrect surround speaker audio.
Details the audio performance specifications, including power output, frequency response, and channel separation.
Outlines video specifications and details related to the HDMI interface for optimal picture and sound.
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