Usb" Force Update Mode - Denon DNP-730AE Service Manual

2.5. Start the update
Hold down buttons SOURCE button and CURSOR 1 button at the same time and press the "POWER" button to turn on
the power.
2.6. Display during USB update
The following message appears on the display:
Display
2.7. Press the "ENTER" key on the remote control unit or this unit
Then start Firmware Update.
Display
2.8. The firmware update finishes
Update after restart.
After updating the firmware, check the version.
--- Precautions for Updates ---
• 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.
3. "USB" force update mode
Mode used when this unit cannot be recovered.
Forcibly switches this unit to USB update mode.
3.1. Operation
Hold down buttons
CURSOR d
NOTE： It waits for the plug of AC plug until the electric charge inside a set is completely discharged for about 2 minutes,
when AC plug is pulled out immediately before.
3.2. Display during USB update
The following message appears on the display:
Display
3.3. The firmware update finishes
The update after the restart, all devices will be updated.
After updating the firmware, check the version.
button and button at the same time and connect the power cord to an outlet.
ENTER
USB Update
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