Yamaha TSX-B237 Update Manual page 5

7
Press ENTER when "Update Start?" is
displayed.
The firmware update will begin. Wait until the firmware
update is complete. It takes about three minutes to complete
the update.
Firmware Update
"Completed!" will be displayed when the firmware update
has been successfully completed, and the unit will turn off.
8
Disconnect the USB flash drive.
The firmware update has been completed. See "Confirming the
unit's firmware version" (p. 3) to confirm the unit's firmware
version.
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