Sony SRS-ZR7 Help Manual page 75

Select the DLNA server registered for your PC, by following the on-screen instruction of SongPal.
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Select a song from the list and start playback.
6
Music in your PC will be heard from the speaker.
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.
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