Sony SRS-NS7 Help Manual page 22

The " " mark will appear in the bottom left of the [SRS-NS7] icon during installation. When the "
disappears, driver installation is complete. Proceed to step
Depending on the computer, installation may take time. If driver installation takes too much time, the Automatic
Power Off function of the neckband speaker will cause it to turn off automatically. If this happens, turn on the
neckband speaker again.
5.
Right-click on [SRS-NS7] in [Devices] and select [Sound settings] from the menu that appears.
6.
Confirm [SRS-NS7 Stereo] on the [Sound] screen.
If there is a checkmark (green) on [SRS-NS7 Stereo], proceed to step
-5.
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" mark