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1
How to Update (service mode) 2/2
4. Press [ENTER] button. Start update firmware.
D
C
5.
Wait until update is completed. When the update ends, "Completed!" is displayed. When
" Completed!" message appeared, you can power off by pressing " ON/STANDBY" button.
(If you leave it, it automatically turns standby mode. )
B
A
1
2
3
2
3
4
6.
Press [ON/STANDBY] button, and the unit turns on.
7.
Check the new FW version number.
<Note>
If the procedure might not be successful, please select "USB -> ALL".
4
5
6
Firmware
TX-NR676/676E/777
TX-RZ620/720/820
5
6
D
C
B
A
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