Sony SRS-ZR7 Help Manual page 206

To enjoy a more dynamic sound
Pull the lever on the bottom of the speaker in the direction of the arrow shown in the illustration below to remove the grille.
* After removing the speaker grille, do not touch the exposed part of the speaker (speaker units), and keep the removed grille on a flat surface to prevent
distortion.
Note
The speaker supports only audio playback functions of Xperia.
Sony is not responsible for any loss or damage to data in an Xperia that is connected to the speaker.
The Xperia cannot be operated from the speaker.
The sound may be distorted if the equalizer function of the Xperia is set to on. In this case, set the function to off.
Related Topic
About High-Resolution Audio format files
4-592-259-11(1) Copyright 2016 Sony Corporation
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