Onkyo HTP 938, HTP 948 Owner's Manual

To connect your Onkyo HTP 938 to a TV, use an HDMI cable. Connect one end to the HDMI OUT port on the receiver and the other end to an HDMI IN port on your TV. Make sure to select the correct HDMI input on your TV.
First, ensure that all speaker connections are secure. Check if the receiver is set to the correct input source. Verify that the speaker settings on the receiver are configured correctly, and ensure that the mute function is not activated.
To perform a factory reset on the Onkyo HTP 938, turn the unit off. Then, press and hold the CBL/SAT button and the Power button simultaneously until "Clear" appears on the display. Release the buttons to reset the unit.
Yes, you can connect your phone to the Onkyo HTP 948 via Bluetooth. Ensure Bluetooth is enabled on your phone, and select the receiver from the list of available devices. Follow any on-screen prompts to complete the pairing.
Regularly dust the exterior with a soft, dry cloth. Avoid using liquids or aerosol cleaners. Periodically check all cable connections for tightness. Keep the ventilation openings clear of obstructions to prevent overheating.
Check the Onkyo website for the latest firmware. Download it onto a USB drive. Insert the USB into the receiver's USB port, then follow the on-screen instructions to update the firmware.
Ensure the unit is not overheating; check for adequate ventilation. Verify that the speaker impedance matches the receiver's specifications. Consider reducing the volume to prevent overheating. If the problem persists, consult Onkyo support.
Use the built-in AccuEQ calibration system. Connect the supplied microphone, place it at the listening position, and follow the on-screen instructions to automatically adjust the speaker settings for optimal sound.
Use a microfiber cloth to gently wipe the surface. Avoid using abrasive materials or solvents that may damage the finish. For stubborn stains, slightly dampen the cloth with water, but ensure no moisture enters the unit.
Adjust the bass settings on the receiver or use the tone control settings. Ensure the subwoofer is correctly placed, ideally in a corner of the room, to enhance bass response. Make sure the subwoofer's settings are properly configured.