Forced Usb All Device Write Mode - Denon RCD-N9 Service Manual

1.5. Start the update.
In "STANDBY" status, press and hold the "CURSOR p " and "INPUT SOURCE" buttons along with the power operation
button to turn on the power.
1.6. Display during USB update
The following message appears on the display:
Display
1.7. Press the "ENTER" key on the remote control unit or this unit.
Then start Firmware Update.
Display
1.4. The firmware update finishes.
Update after restart.
---nPrecautionsnfornUpdatesn---
• Wait for 60 seconds before turning the power back on( AC ON → OFF → ON ).
• Never remove the USB memory before the update is finished.
• Never turn off the power before an update is completed.
• It takes around 30 minutes to complete the update.
Once an update is started, normal operations cannot be performed until it is completed.
Also, the settings of the unit may be initialized.
Take note of your settings beforehand and reconfigure them after the update.
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Forced USB All Device Write Mode

2.1. Actions
Mode used when this unit cannot be recovered.
Forcibly switches this unit to USB update mode.
2.2. Operations
While holding down the "CURSOR u " and " 1 / 3 /ENTER" buttons, insert the AC plug, turn on the power and wait at least
three seconds.
NOTE： When you start this operation, you should waiting for until the charge of internal is completely discharged about
2 minutes.
2.3. Forced USB All Device Write Mode
The following message appears on the display:
Display
2.4. The firmware update finishes.
The update after the restart, all devices will be updated.
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