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![](https://files.manualsfile.com/47362457-vocal-m-v3/bg14.png)
Output Volume Screen
Set volume from 1 to 10, the default is 7
Backlight Mode Screen
Backlight with 3 level: 30s; 60s; ON, the default is 30s
Restore Screen
Yes: Restore factory default
NO: Exit without any operation
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