Sony NSZ-GS7 - Manual (Page 10)

Play files from USB
devices/internal memory
You can play back audio/video/image files
stored on a USB device (for details, see the
Help Guide (page 14)), using Media Player.
press select select
 
You can select a device and change its
settings.
select press

Media Player
NSZ-GS7 4-421-773-12(1)
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