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En
Updating the Firmware via USB
TX-NR708/808/1008 and HT-RC270 allow you to
update firmware using a USB storage device.
*
In this procedure, on-screen display may vary depend-
ing on the model.
Notes
• Make sure the AV receiver and TV are turned on.
• Never unplug or turn off the AV receiver during
updating process.
• Never plug or unplug an HDMI cable during updat-
ing process.
• Never unplug the USB storage device containing
the firmware file and the AC power cord during
updating process.
• Do not access the AV receiver from PC during
updating process.
• It will take about 30 minutes to update the firm-
ware.
• The AV receiver will retain all your settings after
update is finished.
■ Before you start
• Check HDMI Control(RIHD) setting. The update
may not be successful if this setting is on.
• Turn off the controller device connected via
RS232C and via Ethernet network.
• Turn off Zone 2 and Zone 3.
• Stop playback of content from Internet radio, iPod,
USB or servwers, etc.
• If there is any data in the USB storage device,
remove it.
How to turn off RIHD
1
In the Main menu select “Hardware Setup”.
2
Select “HDMI”.
3
Set “HDMI Control(RIHD)” to “Off”.
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