Firmware
5
4
3
2
1
6
D
C
A
B
D
C
A
B
5
4
3
2
1
6
TX-NR676/676E/777
TX-RZ620/720/820
How to Update (service mode) 2/2
4. Press [ENTER] button. Start update firmware.
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. )
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”.
