Onkyo TX-RZ720 Service Manual page 59

1
MAIN checksum verification.
[DIMMER] + [ON/STANDBY] x 2 → [ENTER]
D
C
B
A
1
2 3
2 3
4 5
4 5
6
Appendix
D
C
B
A
TX-NR575/676/676E/777
HT-R997
TX-RZ620/720/820
DRX-2.1/3.1
6