5
4
3
2
1
6
D
C
A
B
D
C
A
B
5
4
3
2
1
6
TX-NR575/676/676E/777
HT-R997
TX-RZ620/720/820
DRX-2.1/3.1
Appendix
Key operation check
TEST 1-06
Set Volume 40
[TV] + [ON/STANDBY]
Display “TEST-”
[BD/DVD]
Display “TEST 1-00”
In the test mode, turning rotary encoder for TONE to the right is
TEST MODE UP and turning rotary encoder for TONE to the left
is TEST MODE DOWN.
※
)
If "ON/STANDBY" button is pressed, AVR escapes from this
KEY test mode.
Therefor, press the "ON/STANDBY" button, after checking other
buttons finished.