Onkyo TX NR708 Instruction Manual

To perform a factory reset, press and hold the VCR/DVR button while pressing the ON/STANDBY button. When you see 'Clear' on the display, release both buttons. The receiver will initialize all settings to factory defaults.
Check that the correct input source is selected and the volume is not muted. Ensure all speaker connections are secure. Verify that the speaker setup settings match your system configuration.
Yes, you can update the firmware by downloading the latest version from the Onkyo website and following the instructions provided. Typically, updates can be done via USB or network connection.
The Onkyo TX NR708 does not have built-in Bluetooth. You will need to use an external Bluetooth adapter connected to one of the available inputs.
Use a soft, dry cloth to clean the exterior. Avoid using chemical solvents or sprays. Ensure that ventilation openings are not obstructed to prevent overheating.
Ensure that the receiver is well-ventilated and not placed in a confined space. Check that all vents are clear of dust. Consider using external cooling fans if necessary.
For optimal sound, configure the speaker settings using the Audyssey MultEQ setup for automatic calibration. You can manually adjust settings for speaker distance, level, and crossover frequency to match your room acoustics.
The Onkyo TX NR708 does not have built-in Wi-Fi capabilities. You will need to use a wired Ethernet connection or a compatible external Wi-Fi adapter to connect to a network.
Ensure that the HDMI cables are securely connected to both the receiver and the source device. Check that the receiver's HDMI settings are correctly configured, and try using a different HDMI input or cable if the issue persists.
Check the power cable connection and ensure the power outlet is functioning. Try using a different power outlet. If the problem persists, the unit may require service.