STR-DH820
4
USB FAIL
An over current from the
(USB) port was
detected. The receiver will automatically
turn off after a few seconds. Check the
iPhone/iPod or USB device, then unplug it
and turn on the power again.
For other messages, see “Message list after
Auto Calibration measurement”, “iPhone/iPod
message list” and “USB message list”.
If there is a malfunction, a message appears on
the display panel. You can check the condition
of the system by the message. If any problem
persists, consult your nearest Sony dealer.
PROTECTOR
Irregular current is output to the speakers, or
the receiver is covered and ventilation holes
are blocked. The receiver will automatically
turn off after a few seconds. Check the
speaker connection and turn on the power
again.
Error messages
Clearing the memory
Initializing the receiver
Before using the receiver for the first time,
initialize the receiver by performing the
following procedure. This procedure can also
be used to revert back to the factory default
settings.
Be sure to use the buttons on the receiver to
perform this operation.
1
Press
?
/
1
to turn off the
receiver.
2
Hold down
?
/
1
for 5 seconds.
The “CLEARING” appears on the
display panel for a while, then changes to
“CLEARED !”.
Changes or adjustments made to the
settings are now reset to the defaults.
?
/
1
Resetting sound fields to
the default settings
Be sure to use the buttons on the receiver to
perform this operation.
1
Press
?
/
1
to turn off the
receiver.
2
While holding down MUSIC,
press
?
/
1
.
“S.F. CLEAR” appears on the display
panel and all sound fields are reset to their
default setting.
?
/
1
MUSIC
When error codes appear
Message list after Auto
Calibration measurement
Tip
Depending on the position of the subwoofer, the
measurement results may vary. However, there will
be no problems even if you continue to use the
receiver with that value.
Display and explanation
Error Code 31
The SPEAKERS is set to off. Set to other speaker
settings and perform the Auto Calibration again.
Error Code 32
None of the speakers were detected. Make sure that
the optimizer microphone is connected properly
and perform the Auto Calibration again.
If the optimizer microphone is connected properly
but the error code still appears, the optimizer
microphone cable may be damaged.
Error Code 33
s
None of the front speakers are connected or only
one front speaker is connected.
s
The optimizer microphone is not connected.
s
Either the surround left or surround right speaker
is not connected.
s
Surround back speakers or front high speakers are
connected even though surround speakers are not
connected. Connect the surround speaker(s) to the
SPEAKERS SURROUND terminals.
s
The surround back speaker is connected only to
the SPEAKERS SURROUND BACK/FRONT
HIGH/BI-AMP/FRONT B R terminals. When
you connect only one surround back speaker,
connect it to the SPEAKERS SURROUND
BACK/FRONT HIGH/BI-AMP/FRONT B L
terminals.
s
Either the front left high or front right high
speaker is not connected.
Warning 40
The measurement process has completed with high
noise level detection. You may be able to achieve
better results if you try in a quiet environment again.
Warning 41
Warning 42
The input from the microphone is too big.
s
The distance between the speaker and the
microphone may be too close. Set them apart and
perform the measurement again.
Warning 43
The distance and position of a subwoofer cannot be
detected. This may be caused by noise. Try to
perform the measurement in a quiet environment.
No Warning
There is no warning information.
