Onkyo TX SR875, TX SR805 Instruction Manual

To reset the Onkyo TX-SR875 to factory settings, turn off the receiver. Then, while holding down the VCR/DVR button, press the ON/STANDBY button. "Clear" will appear on the display, indicating that the reset is complete.
First, check if the receiver is set to the correct input and if the speakers are properly connected. Also, ensure the mute function is not activated and the volume is turned up. If the problem persists, try resetting the unit.
The Onkyo TX-SR875 does not have built-in Wi-Fi. You can connect it to a network using a wired Ethernet connection or by using an external Wi-Fi adapter that connects via Ethernet.
To clean your Onkyo TX-SR805, unplug the unit and use a soft, dry cloth to wipe the exterior. Avoid using any liquid cleaners or solvents. Regularly check and clean any dust from the vents to prevent overheating.
The Onkyo TX-SR875 does not have built-in Bluetooth. However, you can use an external Bluetooth adapter that connects to the receiver's auxiliary input to stream audio wirelessly.
To update the firmware on your Onkyo TX-SR805, download the latest firmware from the Onkyo website, transfer it to a USB drive, and insert it into the receiver's USB port. Follow the on-screen instructions to complete the update.
The Onkyo TX-SR875 has a maximum power output of 140 watts per channel at 8 ohms, 20 Hz to 20 kHz, 0.05% THD, with 2 channels driven.
Overheating can be caused by poor ventilation. Ensure that the receiver is placed in a well-ventilated area and that the vents are not blocked. You might also consider using an external cooling fan.
To configure HDMI settings, press the Setup button on the remote, navigate to the HDMI Input section, and configure options such as HDMI Control, Audio Return Channel, and HDMI Standby Through according to your preferences.
Yes, the Onkyo TX-SR805 supports bi-amping. To enable bi-amping, connect the front speakers using the Front and Surround Back terminals, then configure the speaker settings in the receiver's setup menu to activate bi-amp mode.