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VSX-523-K
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2
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4
A
B
C
D
E
F
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4
[Procedures]
1. Select T
V
fucntion, and, with Signal select as OPTICAL1 then set the unit to STBY_Off mode.
2. Press the SPEAKERS and STA
N
DBY/O
N
keys simultaneously to enter DSP UpDate mode. ("DSP UP" is displayed.)
3.
W
hen "PLAY" is displayed, playback of the .wav file starts. (Play the file only once.
N
E
V
ER repeat playback.)
("PLAY" is displayed.)
4. After playback is finished and "E
N
TER" is displayed, press the E
N
TER key on the front panel. ("E
N
TER" is displayed.)
5. "
W
RITI
N
G" is automatically displayed.
6. After writing is completed, "COMPLETE" is displayed.
7. Turn the unit off then confirm that the version has been updated.
DSP firmware update
