Onkyo HT R648 Instruction Manual

Onkyo HT R648 manual cover
Pages 76
Year 2011
Language(s)
English en

Onkyo HT R648 Specification

The Onkyo HT-R648 is a mid-range AV receiver designed to deliver a high-quality home theater experience with robust audio and video capabilities. It supports a 7.2-channel configuration, allowing for immersive surround sound with ample power output for each channel to ensure clear and dynamic audio performance. The receiver is equipped with Dolby TrueHD and DTS-HD Master Audio decoding, which provides high-resolution audio formats for an authentic cinematic experience.

Connectivity options on the HT-R648 include multiple HDMI inputs and outputs, enabling seamless connections to a variety of HD sources such as Blu-ray players, gaming consoles, and streaming devices. The HDMI ports are compatible with 4K Ultra HD and offer support for 3D video, ensuring compatibility with the latest video standards. The receiver also features analog and digital audio inputs, providing flexibility to connect with a wide range of devices.

Onkyo has incorporated its proprietary AccuEQ room calibration technology into the HT-R648, which automatically adjusts the audio output to match the acoustics of the listening environment, ensuring optimized sound performance. The receiver supports wireless audio streaming via Bluetooth, allowing users to play music from smartphones, tablets, and other compatible devices with ease.

The design of the Onkyo HT-R648 is both functional and sleek, with a straightforward user interface that provides intuitive control over its numerous features. The front panel includes a clear display and easy-to-access controls, while the included remote control allows for convenient operation from a distance. With its combination of powerful audio performance, extensive connectivity options, and user-friendly design, the Onkyo HT-R648 stands out as a versatile and capable component for any home theater setup.

Onkyo HT R648 F.A.Q.

How do I connect my Onkyo HT-R648 to a TV?

To connect your Onkyo HT-R648 to a TV, use an HDMI cable to connect the HDMI OUT port on the receiver to the HDMI IN port on your TV. Ensure that the TV's input source is set to the corresponding HDMI port.

What should I do if there is no sound coming from the speakers?

First, check all speaker connections to ensure they are secure. Then, verify that the receiver is set to the correct input source. Also, ensure that the volume is turned up and that the mute function is not activated.

How can I reset the Onkyo HT-R648 to factory settings?

To reset the HT-R648, turn the receiver on, press and hold the VCR/DVR button, then press the ON/STANDBY button. The display will show "Clear," indicating that the reset is complete.

How do I perform a firmware update on the Onkyo HT-R648?

To update the firmware, connect the receiver to the internet via an Ethernet cable. Navigate to the "Hardware Setup" menu, select "Firmware Update," and follow the onscreen instructions to complete the update.

What is the recommended speaker setup for a 5.1 channel system?

For a 5.1 channel system, place the front left and right speakers at an equal distance from the TV, the center speaker directly above or below the TV, two surround speakers to the sides or slightly behind the listening area, and the subwoofer in a corner for optimal bass response.

How can I improve the bass output from my subwoofer?

To improve bass output, try repositioning the subwoofer in different locations of the room. Adjust the crossover frequency and volume settings on both the receiver and the subwoofer itself.

How do I troubleshoot HDMI connectivity issues?

Ensure all HDMI cables are securely connected. Try using different HDMI cables or ports to rule out faulty equipment. Also, check for any firmware updates that might resolve compatibility issues.

What should I do if the remote control is not working?

First, replace the batteries in the remote control. If it still doesn't work, ensure there are no obstructions between the remote and the receiver, and try resetting the remote by removing the batteries and pressing all buttons.

How do I calibrate the speaker levels on the Onkyo HT-R648?

Use the built-in AccuEQ calibration feature. Connect the supplied microphone to the setup mic jack and follow the on-screen instructions to automatically calibrate the speaker levels for optimal sound.

How can I connect Bluetooth devices to the HT-R648?

Unfortunately, the Onkyo HT-R648 does not support Bluetooth connectivity directly. You can use an external Bluetooth adapter connected to one of the auxiliary inputs to stream audio from Bluetooth devices.