Denon RCD-N8 Service Manual page 41

(3) Please put CD-R on Tray, and press 5 button.
(4) After loading CD-R, version number of firmware will be indicated.
(5) If there is no any firmware of updating, [xxxxxx="None"] will be indicated.
Please confirm version of each firmware by Cursor d / f buttons.
(6) Press "Enter" button, unit will update firmware automatically.
Display will be indicated procedure of updating firmware.
First line : Version of updating firmware/ a number of firmware
Second line : Rest time and progress of updating (....%)
Third line : Name of Microprocessor and Version
b While updating firmware, any buttons of R/C and Front panel are not worked.
---Order of updating---
q System microprocessor (approximately 5minits)
w Network microprocessor (Boot Loader) (approximately 5minits) Only If you need to update
e Network microprocessor (image) (approximately 30minits)
(7) After 35 minutes, unit will be updated completely, and open the tray automatically.
(8) Remove CD-R, and pull out AC cord from AC wall socket.
(9) Please initialize unit after updating.
q Please insert AC cord to AC wall socket while pressing Volume d button and Volume f button.
w After power LED is indicated, remove your finger.
e "Initialize" will be indicated 5 seconds.
r Pull out AC cord from AC wall socket.
(10) Updated unit completely.
xxxxxx : Version number
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