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.

3
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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)

3.3 Int
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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

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SW3/RST: Reset button for reset mcu RT1050 and RK3288;
SW5/RECOVERY: Recovery button for RK3288 recovery mode, when press
this key and power on, RK3288 work with recovery mode.
SW4/FAC: Factory button . Press FAC button and power on, MCU RT1050
and RK3288 recovery factory data.
3.6.4 Wireless(WIFIandBT)
The computer supports 802.11 ac WIFI and BT4.2. With a good spec internal
antenna, both WIFI and BT can achieve better performance.
3.6.5 InternalAudio
The computer has an internal omni-directional microphone and a1.5-watt
speaker.
3.6.6 GasGauge
A gas gauge is used to monitor the capacity of the li-polymer battery so we can
figure out the status of it precisely and immediately.
3.6.7 FrontCamera
The computer can take beautiful photo and record the high-resolution video.
3.6.8 RTC
The computer has internal RTC so the system time can keep a long time if we

didn’t
3.6.9
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4Instructions
4.1 Brief Introduction
DSG-121-VT has been pre-loaded with Android image, so that the system can
run MFG toolsto updatethe system image, please reference to SW-UM.
DSG-121-VT has been mounted on the golf vehicle with a VESAthrough the
back hole; supplied by golf vehicle battery.
VESA, BACK HOLE

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5. Tips
Waste Disposal
It is recommended to disassemble the device before abandoning it in
conformity with local regulations. Please ensure that the abandoned batteries are
disposed according to local regulations on waste disposal. Do not throw batteries
into fire (explosive) or put in common waste canister. Products or product packages
with the sign of “explosive” should not be disposed like household waste but
delivered to specialized electrical＆electronic waste recycling/disposal center.
Proper disposal of this sort of waste helps avoiding harm and adverse effect upon
surroundings and people’s health. Please contact local organizations or
recycling/disposal center for more recycling/disposal methods of related products.
Comply with the following safety tips:
Do not use in combustible and explosive environment
Keep away from combustible and explosive environment for fear of danger.
Keep away from all energized circuits.
Operators should not remove enclosure from the device. Only the group or
person with factory certification is permitted to open the enclosure to adjust and
replace the structure and components of the device. Do not change components
unless the power cord is removed. In some cases, the device may still have residual
voltage even if the power cord is removed. Therefore, it is a must to remove and
fully discharge the device before contact to avoid injury.
Unauthorized changes to this product or its components are prohibited.
In the aim of avoiding accidents as far as possible, it is not allowed to replace
the system or change components unless with permission and certification. Please
contact the technical department of DSG or local branches for help.
Pay attention to caution signs.
Caution signs in this manual remind of possible danger. Please comply with
relevant safety tips below each sign. Meanwhile, you should strictly conform to all

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safety tips for operation environment.
Notice
Considering that reasonable efforts have been made to assure accuracy of this
manual, DSG assumes no responsibility of possible missing contents and
information, errors in contents, citations, examples, and source programs.
DSG reserves the right to make necessary changes to this manual without prior
notice. No part of this manual may be reprinted or publicly released in forms of
photocopy, tape, broadcast, e-document, etc.
FCC Warning
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including
interference that may cause undesired operation.
NOTE : This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following
measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.

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Any changes or modifications to this unit not expressly approved by the
party responsible for compliance could void the user's authority to operate the
equipment.
It’s not allowed to disassemble the product. It is not allowed to replace the
system or change components unless with permission and certification. Please
contact the technical support department of DSG or local branches for help.
RF Exposure Statement
This equipment must be installed and operated in accordance with provide
instructions and the antenna used for this transmitter must be installed to provide
a separation distance of at least 20 cm from all persons and must not be
co-located or operation in conjunction with any other antenna or transmitter.
End-users and installers must be provided with antenna installation instructions
and transmitter operating conditions for satisfying RF exposure compliance.
ce matériel doit être installé et exploité conformément à des instructions et
l'antenne utilisée pour cet émetteur doit être installé pour fournir une distance d'au
moins 20 cm de toutes les personnes et ne doit pas être installé ou opération
conjointement avec toute autre antenne ou transmitter.les utilisateurs finals et les
installateurs doivent fournir des instructions d'installation et d'antennes -
conditions relatives à l'exposition aux champs rf de conformité.
ISED statement
This device complies with Industry Canada license-exempt RSS standard(s).
Operation is subject to the following two conditions:
(1) This device may not cause interference, and
(2) This device must accept any interference, including interference that
may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables
aux appareils radio exempts de licence.

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L'exploitation est autorisée aux deux conditions suivantes:
(1) l'appareil ne doit pas produire de brouillage, et
(2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique
subi, même si le brouillage est susceptible d'en compromettre le
fonctionnement.
Note: The device for operation in the band 5150–5250 MHz is only for indoor
use to reduce the potential for harmful interference to co-channel mobile
satellite systems