Denon DN-D4000 Service Manual page 10

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μCOM VERSION UPGRADE
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System µcom can be upgraded in the following manner.
Version Upgrade Method
1.Record the version upgrade software on a CD-R or CD-RW disc,
only as one file with the format ISO9660 Mode-1.
The file name of the supplied version upgrade software should be used as is and this disc needs
to finalize.
2.Hold the disc by the edges and place it on the disc tray.
3.Press the OPEN/CLOSE button to start the version upgrade.
"Version Up"→"Push Play!" "xxxx->XXXX" are displayed.
4.Press the PLAY/PAUSE button.
"Now Writing" → "Writing-XXX" are displayed. And the tray LED is flashed.
5.When the version upgrade is finished, "Complete!" is indicated. And the disc try is opened.
6.Turn off the power once and turn on again.
Press the OPEN/CLOSE button and remove the disc.
NOTE: When the power is turned off before "Complete!" is displayed,
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xxxx : current version
XXXX : upgrade version
XXX : count up from 000 to161
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