Sony HT-A7000 Help Manual page 126

Help Guide
Sound Bar
HT-A7000
Sound Field Optimization is failed.
When using the optional rear speakers, install them upright so that the labels on the bottom of the speakers are
directed downwards.
Perform Sound Field Optimization again in a situation where the surrounding is quiet.
If the distance between the bar speaker and optional rear speakers/subwoofer is too close or far away from each
other, Sound Field Optimization cannot be performed properly. Adjust the distance between speakers and perform
Sound Field Optimization again.
If there is any obstacle between speakers or the microphone for measurement of the speaker is blocked by an
obstacle, Sound Field Optimization cannot be performed properly. Remove it if there is any obstacle between
speakers or in front of speakers.
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