Safety Instructions

DSG-121-VT
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save the battery.
Lock computer: Press the Power/Sleep/Wake button.
Unlock computer: Press the Power/Sleep/Wake button, then drag the slider.
Turn computer off: Press and hold the Power/Sleep/Wake button greater than
6 seconds.
Turn computer on: Press and hold the Power/Sleep/Wake button until logo
appears.
Never apply excessive pressure to a button, because this may cause
damage that is not covered under the warranty.
3.6 Interface Description
3.6.1 InternalMICinInterface
Table with two microphones integration inside. Them work with together to
make low noise sounder.
3.6.2 USBOTG(microUSBtype)
It is a standardTYPE-C USB port, you can connect to PC as USB client to
manage the android device and connect a USB device using USB OTG to HOST
adapter cable.
3.6.3 DEBUGINTERFACE
There with a TTL level UART debug interface. It can be connected with a
1x4x2.0mm pin header.
PIN Name Description Type
1 3V3 Power supply for debug tool Output
2 RXD Connect with cpu UART_RX Input
3 TXD Connect with cpu UART_TX Output
4 GND Power ground POWER GND