Onkyo TX SR500, TX SR500E Instruction Manual

To perform a factory reset, turn off the unit, press and hold the "VIDEO 1" button, and then turn the unit back on. The display should read "CLEAR," indicating the reset is complete.
Ensure that the correct input source is selected and that the volume is turned up. Check speaker connections and make sure the "Muting" function is not activated.
Use an HDMI or component cable to connect the receiver's "Monitor Out" to the TV's input. Make sure the TV is set to the correct input source.
Check the power cable connection and ensure the outlet is working. Try using a different outlet or replacing the power cable. If the issue persists, the unit may require service.
The Onkyo TX SR500 does not support firmware updates, as it is an older model without network connectivity.
Adjust the bass settings in the audio setup menu. Ensure the subwoofer is connected and powered on, and check its volume settings.
The Onkyo TX SR500 does not have built-in Bluetooth capability. You can use an external Bluetooth adapter connected to one of the audio inputs.
Use the "Listening Mode" button on the remote control or front panel to cycle through available audio modes, such as Stereo and Surround.
Check the batteries in the remote control and replace them if necessary. Ensure there are no obstructions between the remote and the receiver.
The Onkyo TX SR500 does not support multi-room audio natively. An external multi-room audio system would be required for this setup.