Denon AVR-987 Control Protocol

Denon AVR-987 manual cover
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Denon AVR-987 Specification

The Denon AVR-987 is a high-performance audio-video receiver designed to enhance home entertainment systems with its robust features and superior sound quality. It supports 7.1-channel surround sound, providing an immersive audio experience. The receiver is equipped with Dolby Digital EX, DTS-ES, and Dolby Pro Logic IIx decoding, ensuring compatibility with a wide range of audio formats for precise sound reproduction. For video, the AVR-987 offers HDMI switching with two inputs and one output, allowing seamless connection to high-definition video sources and displays. It supports upconversion of analog video signals to HDMI, simplifying connectivity and improving video quality.

The AVR-987 is powered by a high-current amplifier, delivering 110 watts per channel, which ensures ample power for dynamic and clear audio output across all connected speakers. It features Auto Setup and Room EQ with a microphone, providing convenient calibration to optimize sound based on room acoustics. This receiver includes extensive connectivity options, such as component video, S-Video, and composite inputs, along with digital audio inputs that include optical and coaxial connections, offering flexibility for integrating various audio-visual components.

Additionally, the Denon AVR-987 comes with multi-zone capability, allowing audio playback in different rooms independently, which is ideal for whole-home audio solutions. Its user interface includes an intuitive on-screen display, making it easy to navigate settings and customize preferences. The receiver's build quality is robust, with a sleek design and a user-friendly remote control, ensuring long-term reliability and ease of use. Overall, the Denon AVR-987 offers a comprehensive feature set that caters to both audiophiles and home theater enthusiasts, delivering high-quality audio and video performance.

Denon AVR-987 F.A.Q.

How do I connect my Denon AVR-987 to a Bluetooth device?

The Denon AVR-987 does not have built-in Bluetooth capabilities. To connect a Bluetooth device, you will need to use an external Bluetooth adapter connected to one of the available audio inputs on the receiver.

What is the procedure for resetting the Denon AVR-987 to factory settings?

To reset the Denon AVR-987 to factory settings, turn off the unit. Press and hold the "Speaker A" and "Speaker B" buttons simultaneously while turning the power back on. Continue holding the buttons until the display starts flashing. Release the buttons to complete the reset process.

How can I troubleshoot poor audio quality issues on my Denon AVR-987?

First, check all speaker connections and ensure they are secure. Verify that the correct input source is selected and that any audio processing modes are set appropriately. If issues persist, try resetting the receiver to factory settings or consult the user manual for further diagnostics.

What should I do if my Denon AVR-987 is not turning on?

Ensure that the power cord is securely connected and that the outlet is functioning. Check the power switch on the rear panel. If the receiver still does not turn on, try a different power outlet or consult a professional technician for further assistance.

How do I update the firmware on my Denon AVR-987?

The Denon AVR-987 does not support firmware updates via the internet or USB. It is recommended to consult Denon's customer support for any available updates or service options.

How can I connect a subwoofer to the Denon AVR-987?

Connect the subwoofer cable to the "Subwoofer Pre Out" jack on the back of the AVR-987. Ensure the subwoofer is powered on and set to the correct input mode. Adjust the subwoofer settings in the receiver's speaker configuration menu for optimal performance.

What are the recommended maintenance steps for the Denon AVR-987?

Regularly clean the exterior with a dry, soft cloth. Ensure that the vents are free of dust and obstructions. Periodically check all cable connections for tightness and inspect for any signs of wear or damage.

How do I connect my Denon AVR-987 to a television?

Use an HDMI cable to connect the HDMI OUT port on the AVR-987 to an HDMI input on your TV. Ensure that the TV is set to the correct HDMI input source. Alternatively, use component or composite cables if HDMI is not an option.

Why is there no sound coming from my speakers when using the Denon AVR-987?

Check that the speakers are properly connected and the correct input source is selected. Ensure the mute function is not activated and the volume is turned up. Verify that the speaker selector is set to the correct position if using Speaker A/B options.

How can I optimize the sound settings on my Denon AVR-987 for home theater use?

Access the setup menu and navigate to the audio settings. Adjust the speaker size, distance, and levels according to your room layout. Utilize the built-in equalizer or sound modes to enhance the audio experience for movies and TV shows.