Denon AVR-X500

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2. UPDATE FIRMWARE
(1) Connect the update terminal of AV receiver with the "WRITING KIT".
(2) Set the switch of "WRITING KIT". (Refer to the table below.)
DSPBOOT CE EPM CNVSS
H
H L H
(3) Press the
X
button to turn the power on of AV receiver.
(4) Set the switch of "WRITING KIT". (Refer to the table below.)
DSPBOOT CE EPM CNVSS
H
H H H
(5) Press the "RESET" switch of "WRITING KIT".
(6) Run the "STMicroelectronics ash loader.exe" on program le.
(7) Click the “Next” button 3 times.
Click the “Next” button for 1st time.