: With the receiver powered off, insert the USB drive into the front-panel USB port. Enter Update Mode : Again, hold STRAIGHT and press Power .

Are you experiencing a (like no sound or video)?

Once appears, rotate the PROGRAM selector dial until the display reads UPDATE USB .

Once the update process is complete, you'll need to verify that the firmware has been updated successfully. Follow these steps:

: With the receiver turned OFF , press and hold the STRAIGHT button on the front panel and then press the POWER button. Use the PROGRAM keys to find the version info.