DSG DSG-121-VT User manual

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Contents
REVISIONHISTORY.....................................................................................................................................................3
1FOREWORD......................................................................................................................................................4
1.1COPYRIGHTNOTICE.....................................................................................................................................................4
1.2NOTES......................................................................................................................................................................4
1.3STATEMENT...............................................................................................................................................................4
1.4DISCLAIMER..............................................................................................................................................................5
1.5LIMITATIONOFLIABILITY/NON‐WARRANTY......................................................................................................................5
1.6SAFETYINSTRUCTIONS.................................................................................................................................................5
1.7PRECAUTIONS............................................................................................................................................................6
1.8SAFETYINSTRUCTIONSFORPOWERCABLESANDACCESSORIES............................................................................................7
2OVERVIEW.......................................................................................................................................................8
2.1INTRODUCTION..........................................................................................................................................................8
3DSG‐121‐VTHARDWAREINSTRUCTIONS...........................................................................................................9
3.1PRODUCTAPPEARANCE..............................................................................................................................................9
3.2SPECIFICATIONS........................................................................................................................................................10
3.3INTERFACEINSTRUCTIONS..........................................................................................................................................11
3.3.1FrontView......................................................................................................................................................11
3.3.2SideView........................................................................................................................................................11
3.4DIMENSION.............................................................................................................................................................11
3.5BUTTONS................................................................................................................................................................11
3.6INTERFACEDESCRIPTION............................................................................................................................................12
3.6.1InternalMICinInterface................................................................................................................................12
3.6.2USBOTG(microUSBtype).............................................................................................................................12
3.6.3DEBUGINTERFACE.........................................................................................................................................12
3.6.4Wireless(WIFIandBT)...................................................................................................................................13
3.6.5InternalAudio................................................................................................................................................13
3.6.6GasGauge......................................................................................................................................................13
3.6.7FrontCamera.................................................................................................................................................13
3.6.8RTC.................................................................................................................................................................13
3.6.9Power&SignalInterface..................................................................................................................................14
4INSTRUCTIONS...............................................................................................................................................15
4.1BRIEFINTRODUCTION................................................................................................................................................15
5.TIPS......................................................................................................................................................................16
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RevisionHistory
No. Version Description Date
1 V1.0 First release 2018/01/20
2 V1.1 Revise 2019/04/21
3 V1.2 Update mounted description 2019/06/13

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1Foreword
1.1Copyright Notice
While all information contained herein have been carefully checked to assure its
accuracy in technical details and printing, DSG assumes no responsibility resulting
from any error or features of this manual, or from improper uses of this manual or the
software. Please contact our technical department for relevant operation solutions if
there is any problem that cannot be solved according to this manual.
DSG reserves all rights of this manual, including the right to change the content,
form, product features, and specifications contained herein at any time without prior
notice. Please contact DSG for further information.
The trademarks and registered trademarks in this manual are properties of their
respective owners. No part of this manual may be copied, reproduced, translated or
sold. No changes or other purposes are permitted without the prior written consent of
DSG.
DSG reserves the right of all publicly-released copies of this manual.
1.2Notes
Applicable notes are listed in the following table:
Sign Notice
Type Description
Notice Important information and regulations
Caution Caution for latent damage to system or harm to
personnel
1.3Statement
It is recommended to read and comply with this manual before operating
VT-Computer which provides important guidance and helps decreasing the danger

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of injury, electric shock, fire, or any damage to the device.
1.4Disclaimer
DSG assumes no legal liability of accidents resulting from failure of conforming to
the safety instructions.
1.5Limitation of Liability/Non-warranty
For direct or indirect damage to this device or other devices of DSG caused by
failure of conforming to this manual or the safety instructions on device label, DSG
assumes neither warranty nor legal liability even if the device is still under warranty.
1.6Safety Instructions
Keep and comply with all operation instructions, warnings, and information.
Pay attention to warnings on this device.
Read the following precautions so as to decrease the danger of injury, electric
shock, fire, or any damage to the device.

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1.7Precautions
Pay attention to the product labels/safety instructions printed on silk screens.
Do not try repairing this product unless declared in this manual.
Keep away from heat source, such as heater, heat dissipater, or engine casing.
Do not insert other items into the slot (if any) of this device.
Keep the ventilation slot ventilated for cooling.
System fault may arise if other items are inserted into this device.
Installation: ensure correct installation according to instructions from the
manufacturer with recommended installation tools.
Ensure ventilation and smoothness according to relevant ventilation standard.

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1.8Safety Instructions for Power Cables and Accessories
Proper power source only
Start only with power source that satisfies voltage label and the voltage necessary
according to this manual. Please contact technical support personnel of DSG for any
uncertainty about the requirements of necessary power source.
Use tested power source
This product still contains a button lithium battery as a real-time clock after its
external power source is removed and therefore should not be short-circuited during
transportation or placed under high temperature.
Place cables properly:
Do not place cables at any place with extrusion danger.
Cleaning Instructions
Please power off before cleaning the device.
Do not use spray detergent.
Clean with a damp cloth.
Do not try cleaning exposed electronic components unless with a dust collector.
Support for special fault: Power off and contact technical support personnel of
DSG in case of the following faults:
The device is damaged.
The temperature is excessively high.
Fault is still not solved after the operation according to the manual.

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2Overview
2.1Introduction
Thank you for choosing DSG. It is our commitment to provide our valued
customers with the embedded devices equipped with the state-of-the-art technology
and the best product services.
Computer enables the interaction between operators/users and applications,
connects industrial control products such as wireless, transducer, battery inside, storage,
etc. Computer adopts a display for displaying and input units such as touch screen,
keyboard, audio, kind of sensors etc. for writing working parameters or inputting
operation commands. As a digital device for realizing information interaction between
human and machine, Computer is composed of hardware and software. Based on its
ample function interfaces and powerful user operational interface, it is very suitable for
control units such as medical device, intelligent transportation, industrial field, etc.
DSG’sEmbedded Computerproducts are based on the most advanced ARM and
Rockchip processors and have low-power consumption and high integration. The
products are designed for applications such as industrials, medicals, and transportations
etc.

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3.2 Specifications
CPU Processor RK-3288 , ARM Cortex-A17, Quad Core CPU,1.6GHz
Memory RAM 2GB DDR3
Flash 16GB EMMC Flash
Display
LCD 12.1" TFT LCD
Resolution 1024*768 24bit Color
Display Colors 262k/16.2M
Brightness 600cd/m2(Auto brightness by Light sensor)
View Angle 85U/85D, 85L/85R
Touch Screen Cap-touch, multi-point
Supported Audio MP3, 3GPP, WAV
format Video MP4, 3GPP
Picture BMP, GIF, JPEG, PNG
Interfaces
USB 1X TYPE C USB2.0 OTG
DEBUG 1X 1x4x2.0mm debug interface with TTL level
Wireless 1xwifi 802.11a/b/g/n/ac, 1xBluetooth4.2, with inner antenna
On Board 4G/LTE module, with internal antenna.
Sensor Light sensor, 3-axis Accelerometer, Gyroscope
RTC Supported
NFC Supported
Camera 1x5M Front Camera(Auto Focus)d
Software OS Android 6.0.1
Applications Provide SDK, support google tool
Power Input 10-75V DC power supply
Battery 7.4V, 5000mAh
Consumption 12W
Mechanical Dimensions 238x323x36mm
Weight 2.1Kg(Panel)
Environmen
t Condition
Temperature Charge: 0℃~ +40℃, Discharge: -20℃~ +60℃,
Storage: -30℃~ +70℃
Humidity 10-85%RH (Non-Condensation), operating and storage
Vibration 2G, 9-26Hz (10 times in X,Y,Z directions)