Yamaha AVENTAGE RX-A6A User Manual page 351

UPDATE > Updating the unit's firmware
NOTE
The unit turns off automatically without performing the firmware update if two minutes pass after the screen to confirm the
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firmware update is displayed.
To cancel the firmware update process, press RETURN on the front panel or on the remote control, and the unit will turn off.
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The unit turns off without performing the firmware update if you turn off the unit with MusicCast CONTROLLER.
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Related links
"Firmware updates" (p.349)
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