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User Manual
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Click the name in the lower left corner of the interface to exit the current account
。
3.6.6 System Settings
Click "settings" on the left side of the screen, and then click "System". The interface will display
the device model, the SN number of the host and the treatment head, and the system software
version number.
On this interface, you can adjust the sound volume, set the current display time of the system,
and update the system by inserting a USB flash drive and clicking "USB Update".