Sony HT-SF370 User Manual

Try the remedies and perform the Auto 
Calibration again.

If a warning on the measurement result is 
present, detailed information is displayed.

B to return to step 2 of 

You can check the speaker distance or speaker 
level.

The measurement result of a speaker will not appear 
if the receiver does not recognize that the speaker is 
connected.

Disconnect the optimizer microphone from the 
receiver.

If you have changed the position of the speakers, it 
is recommended that you perform Auto Calibration 
again in order to enjoy the surround sound.

ERROR 32

•  The sound received by the 

optimizer microphone is out of 
the acceptable range.

• The optimizer microphone or 

subwoofer may be damaged.

Contact your Sony dealer or local 
authorized Sony service facility.

ERROR F 33

The front speakers are not 
connected or either the front left or 
front right speaker is not 
connected.
Check that the front speakers are 
connected properly.

ERROR SR33

Either the surround left or 
surround right speaker is not 
connected.
Check that the surround speakers 
are connected properly.

ERROR SW33 The subwoofer is not connected or 

it may be damaged.
Contact your Sony dealer or local 
authorized Sony service facility.

WARNING 40

The Auto Calibration has 
completed. However, the noise 
level is high. You may be able to 
perform the Auto Calibration 
properly if you try it again, even 
though the measurement cannot 
be performed in all environments. 
Try to perform the Auto 
Calibration in a quiet 
environment.

WARNING 41

 

WARNING 42

The sound received by the 
optimizer microphone is out of 
the acceptable range. The 
distance between the optimizer 
microphone and the speakers is 
too close. Set them away, and 
then try to perform the Auto 
Calibration again.

WARNING 43

The distance and position of the 
subwoofer cannot be detected. 
This may be caused by noise. Try 
to perform the Auto Calibration 
in a quiet environment.

NO WARNING There is no warning information.