■The following settings can be made for the composite video inputs

You must use the buttons on the unit to make these settings.

On the AV receiver, press the input selector for the input source that you want to set and the SETUP button simultaneously. While holding down the input selector button, press SETUP until “Video ATT :On” appears on the AV receiver’s display. Then, release both buttons. To turn the setting off, repeat the above process so that “Video ATT :Off” appears on the AV receiver’s display, and release the buttons.

• Video Attenuation

This setting can be made for the BD/DVD, VCR/DVR,

CBL/SAT, GAME, AUX, or USB input.

If you have a games console connected to the composite video input, and the picture isn’t very clear, you can attenuate the gain.

Video ATT :Off: (default).

Video ATT :On: Gain is reduced by 2 dB.

■If the picture on your TV/monitor connected to the HDMI OUT is unstable, try switching the DeepColor function off

To turn off the DeepColor function, simultaneously press the CBL/SAT and 8ON/STANDBY buttons on the AV receiver. While holding down CBL/SAT, press 8ON/STANDBY until “Deep Color: Off” appears on the AV receiver’s display. Then, release both buttons. To reactivate the DeepColor function, repeat the above process until “Deep Color: On” appears on the AV receiver’s display and release the buttons.

Appendix

The AV receiver contains a microcomputer for signal processing and control functions. In very rare situations, severe interference, noise from an external source, or static electricity may cause it to lockup. In the unlikely event that this happens, unplug the power cord from the wall outlet, wait at least five seconds, and then plug it back in.

Onkyo is not responsible for damages (such as CD rental fees) due to unsuccessful recordings caused by the unit’s malfunction. Before you record important data, make sure that the material will be recorded correctly.

Before disconnecting the power cord from the wall outlet, set the AV receiver to standby.

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Onkyo HT-r591 instruction manual En-63, Video Attenuation, CBL/SAT, GAME, AUX, or USB input, Video ATT Off default
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HT-r591 specifications

The Onkyo HT-R591 is a versatile and high-performance home theater receiver designed to elevate the audio experience for movie lovers and music enthusiasts alike. With its comprehensive features and advanced technologies, this model was engineered to deliver immersive sound quality while being user-friendly and adaptable to a variety of setups.

At the heart of the Onkyo HT-R591 is its powerful amplification system. With a robust 7.1-channel setup, it provides an impressive output of up to 100 watts per channel, ensuring that sound is delivered dynamically and with clarity. This receiver supports a wide range of audio formats, including Dolby TrueHD and DTS-HD Master Audio, allowing for an authentic cinematic experience. The onboard decoding ensures that high-definition audio streams are reproduced with pristine accuracy.

Another notable feature of the HT-R591 is its video capabilities. It includes multiple HDMI inputs, which support 4K pass-through, making it compatible with the latest display technology. This ensures that users can connect multiple devices—such as Blu-ray players, gaming consoles, and streaming devices—without compromising on quality. The receiver also boasts upscaling capabilities that enhance lower resolution signals to near-4K quality, providing a visually stunning experience for all types of content.

In addition to its premium audio and video performance, the Onkyo HT-R591 incorporates advanced sound calibration technology. The AccuEQ room acoustic calibration system optimizes the sound output based on the room's characteristics, ensuring an ideal listening experience tailored to your environment. This technology detects speaker placement and adjusts settings automatically, simplifying the setup process and enhancing audio accuracy.

User convenience is another cornerstone of the Onkyo HT-R591. It comes with an intuitive remote control and an easy-to-navigate on-screen display, making it accessible for users of all technical backgrounds. Furthermore, with the inclusion of network connectivity options, users can stream music directly from their devices or access popular streaming services, expanding their audio library effortlessly.

Overall, the Onkyo HT-R591 stands out as a feature-rich home theater receiver that combines stellar audio performance, advanced video processing, and user-friendly functionality. Whether you are watching the latest blockbuster or enjoying your favorite music tracks, this receiver provides a comprehensive solution for all your home entertainment needs.
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