☆Note: 3G module software needs to be customized.
P.S.: WIFI connection has higher priority than RJ45 & 3G, please open or close related network setting options
manually according your requirement.
10-7: Sound Settings
Click ―Sound‖ you can set below options: media volumes (Music, Video, Games & other media), notifications,
and audio output mode.
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ARM digital signage System user guide