③ Nameplate: Display the basic information about the tablet
such as product name and model etc.
④ Loudspeaker: It supports playing external sounds.
HOST PORTS
Fig 1-3 Sample of Tablet Host Ports
① USB 3.0 port: Data transfer interface for tablet
communication and diagnostics.
② VGA port: A reserved interface can be used for
charging.
③ DC charging port: Charging port, connected to the
charger can be charged.
④ Power button: Long press to turn on/off, short press to
rest/brighten the screen.
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