Denon Avr X4000 Firmware Update Upd -

If an update is available, select Start or Update Now . The unit will display the remaining time and the power indicator will turn red during the process.

Updates may reset your settings to factory defaults. Write down your Audyssey calibration results and input assignments. denon avr x4000 firmware update upd

Do NOT turn off the power or remove cables while the update is in progress. The process can take approximately 1 hour . 2. Update via Network (Recommended) If an update is available, select Start or Update Now

Once finished, "Complete" will appear on the front display, and the unit will return to its normal state. 3. Update via USB Memory If an update is available