Obdstar X300 DP User manual

OBDSTAR
User manaul
Model: X300 DP
Brand: OBDSTAR
Safety Precautions
Before using Key Master DP, please read the following safety information carefully.
1、Never collide, throw, or punch Key Master DP, and avoid falling, extruding and blending it.
2、Do not use Key Master DP in exceptionally cold or hot, dusty, damp or dry environments.
3、In places where Key Master DP is forbidden or using Key Master DP may cause interference or
generate a potential risk, please turn off it.
4、To ensure a safe driving, please do not use Key Master DP while driving.
5、Turn off Key Master DP before boarding any airplane.
6、Never place Key Master DP into apparatus with strong electromagnetic field.
7、Do not dismantle Key Master DP by yourself. If there is any inquiry, please contact the dealer.
8、Keep Key Master DP far away from magnetic devices because its radiations may erase the data
stored on the devices.
10、Do not use Key Master DP in high temperature and other environment with flammable gas,
such as gas station.
11、Store Key Master DP out of reach of children and do not allow children to use it unsupervised.
12、Please use the included battery and charger. Otherwise, explosion may happen.
13、Adhere to laws and regulation, respect people’s privacy and legal rights, during operating Key
Master DP.
14、Follow the instructions strictly when using USB cable, otherwise, it will damage your Key
Master DP and PC.
Precautions on Using Key Master DP
●The ignition switch should be OFF while plugging or unplugging the diagnostic connector.
●Do not disconnect the vehicle inner consumer when the ignition switch is on. High voltage
transients may encounter at the moment of disconnecting, which may damage the sensors and
the ECU.
●Keep the computer from magnetic object.
●Do cut off the power supply of ECU system before welding on the vehicle.
●Pay more attention to the ECU and the sensors when the operation is next to them.
●Ground yourself when you disassemble PROM, otherwise ECU and sensors will be damaged by
static electricity.
●Do connect ECU harness connector firmly, otherwise electronic elements, such as IC inside ECU,
will be damaged.

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Content
1 INTRODUCTIONS............................................................................................................................1
1.1 PRODUCT PROFILE...............................................................................................................1
1.2 FEATURES ............................................................................................................................1
1.3 KNOWLEDGE Of KEY MASTER DP........................................................................................2
1.3.1 Key Master DP Whole Set ........................................................................................2
1.3.2 Key Master DP Tablet Computer ..............................................................................2
1.3.3 Key Master VCI Connector .......................................................................................3
1.4 TECHNICAL PARAMETERS....................................................................................................3
1.5 PACKAGE LIST ......................................................................................................................4
2 PREPARATIONS ...........................................................................................................................5
2.1 CHARGE Key Master DP.......................................................................................................5
2.2 USING BATTERY ...................................................................................................................5
2.3 POWER ON/POWER OFF Key Master DP.............................................................................6
2.3.1 Power on ..................................................................................................................6
2.3.2 Power off..................................................................................................................6
2.4 ABOUT DESKTOP .................................................................................................................6
2.5 CUSTOMIZE YOUR DESKTOP................................................................................................6
2.5.1 Add items on the desktop ........................................................................................6
2.5.2 Move items on the desktop ...................................................................................6
2.5.3 Delete items from the desktop ................................................................................6
2.5.4 Change your wallpaper ..........................................................................................7
2.5.5 Create a folder on the desktop.................................................................................7
2.6 ON USING TOUCH SCREEN ..................................................................................................7
2.7 AUTO-ROTATE THE SCREEN ...............................................................................................7
2.8 LOCK & UNLOCK THE SCREEN .............................................................................................7
2.8.1 Lock the screen ........................................................................................................7
2.8.2 Unlock the screen ...................................................................................................7
2.9 NOTIFICATION PANEL ........................................................................................................8
2.9.1 Turn on the notification panel..................................................................................8
2.9.2 Turn off the notification panel .................................................................................8
2.10 INPUT METHOD.................................................................................................................8
2.11 HOW TO SET AS AIRPLANE MODE.....................................................................................9
3 HOW TO DIAGNOSE....................................................................................................................9
3.1 CONNECT VCI CONNECTOR .................................................................................................9
3.2 BLUETOOTH SETTING ........................................................................................................10
3.3 DIAGNOSIS FLOWCHART ...................................................................................................10
3.4 USER REGISTRATION & DIAGNOSTIC SOFTWARE DOWNLOADING...................................11
3 .4.1 User registration....................................................................................................11
3.4.2 Diagnostic software downloading..........................................................................12
3 .4.3 Main interface of diagnostic software...................................................................13
3.5 START DIAGNOSING...........................................................................................................14

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3 .5.1 Read vehicle information ......................................................................................17
3 .5.2 Read trouble code .................................................................................................17
3 .5.3 Clear trouble code.................................................................................................18
3 .5.4 Read data stream ..................................................................................................19
3.6 MAINTENANCE DATABASE ................................................................................................19
3.7 VIDEO CENTER...................................................................................................................20
3.8 ONE KEY UPGRADE............................................................................................................20
3.9 SYSTEM SETTING ...............................................................................................................21
3.9 .1 VCI infomation....................................................................................................21
3.9 .2 Language ............................................................................................................22
3.9 .3 Unit.....................................................................................................................22
3. 9. 4 Data logging..........................................................................................................23
3.9 .5 User information ................................................................................................23
3.9 .5.1 User login ........................................................................................................24
3.9 .5.2 User registration..............................................................................................24
3.9 .5.3 Forget password..............................................................................................25
3.9 .5.4 Registration information ...............................................................................25
3.9 .5.5 Information modifation...................................................................................26
3.9 .5.6 Change password ............................................................................................26
3.9 .6 Help ....................................................................................................................27
3.9 .7 About..................................................................................................................28
3.10 REMOTE ASSISTANT.........................................................................................................28
3.11 REPORT CENTER ..............................................................................................................29
4 OTHERS.........................................................................................................................................30
4.1 EMAIL ................................................................................................................................30
4.1.1 Add an email account..........................................................................................30
4.1.2 Delete an email account......................................................................................31
4.1.3 Send an email......................................................................................................31
4.1.4 View email...........................................................................................................31
4.2 WLAN ................................................................................................................................31
4.3 BROWSER ..........................................................................................................................32
4.3.1 BROWSER ............................................................................................................32
4.3.2 Browse a webpage ..............................................................................................32
4.3.3 Zoom in / zoom out a page .................................................................................32
4.3.4 Save favorite webpage to bookmark...................................................................32
4.3.5 Open multiple pages .........................................................................................33
4.3.6 Customize internet settings ................................................................................33
4.4 USING BLUETOOTH ..........................................................................................................33
4.4.1 Open Bluetooth......................................................................................................33
4.4.2 Allow other devices to search for Key Master DP ...............................................33
4.4.3 Search other devices and pair Key Master DP with it .........................................34
4.4.4 Send file...............................................................................................................34
4.5 Video .................................................................................................................................34
4.5.1 Open and close video.............................................................................................34

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4.5. 2 Take a photo .......................................................................................................34
4.5. 3 View a photo ......................................................................................................35
4.5. 4 Record a video ..................................................................................................35
4.5. 5 View a video .......................................................................................................35
4.5. 6 Customize camera setting ..................................................................................36
4.5. 7 Customize camcorder setting.............................................................................36
4.6 GALLERY ............................................................................................................................36
4.6.1 Open gallery ........................................................................................................36
4.6.2 Browse images ....................................................................................................36
4.7 MUSIC................................................................................................................................37
4.8 CALCULATOR......................................................................................................................37
4.9 CALENDAR ......................................................................................................................37
4.10 AlARM ..........................................................................................................................37
4.10.1 Add an alarm ........................................................................................................37
4.10.2 Delect an alarm ....................................................................................................37
4.10.3 Customize your alarm ..........................................................................................38
4.10.4 Countdown setting...............................................................................................38
4.10.5 Second clock setting.............................................................................................38
4.11 ES FILE BROWSER ............................................................................................................39
4.12 DISPLAY............................................................................................................................39
4.12.1 Brightness..........................................................................................................39
4.12 .2 Auto-rotate the screen.....................................................................................39
4.13 SET SCREEN LOCK ............................................................................................................39
4.14 APPLICATIONS .................................................................................................................39
4.14 .1 View installed applications...............................................................................39
4.14 .2 View the running applications..........................................................................40
4.15 LANGUAGE & INPUT METHOD........................................................................................40
4.16 SET DATE&TIME...............................................................................................................40
4.17 RESTORE KEY MASTER DP TO FACTORY SETTINGS ..........................................................41
4.18 Storage ............................................................................................................................41
4.19 APPS INSTALLAION &UNINSTALLATION........................................................................41

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1 INTRODUCTIONS
1.1 PRODUCT PROFILE
Key Master is a new Android-based vehicle trouble diagnostic device developed for internet
applications. It inherits from OBDSTAR advanced diagnosing technology and it characterized by
covering wide range of vehicles, featuring powerful function, and providing precise result.
Through Bluetooth communication between vehicle diagnostic OBD connector and variant
mobile intelligent terminals, it achieves vehicle trouble diagnosis for full car model and full
system vehicle.
Meanwhile, taking advantage of mobile internet, Key Master DP integrates more application and
service, such as Maintenance Database, remote assistant, One Key Update etc.
1.2 FEATURES
1. Diagnostic function：
●Can diagnose the electronic control system of prevailing vehicle models covering Asian,
European, American and Chinese. Diagnosis functions include: Read DTCs, Clear DTCs,
Read data stream, Special functions etc;
● Classify special function: ABS, EEPROM Adapter、Battery match、CVT learning、EPB、
Gear learning, Immobilizer 、TPMS(low tire)reset, Mileage adjustment,ECU
programming、steering angle reset.
●Specially designed for Android platform with clear and user-friendly interface;
2. Maintenance database：equipped with powerful database.
3. Video center: large amount of videos help users to operate device easily.
4. One Key Upgrade：built-in wifi mode can realize application downloading and diagnostic
function by one key upgrade.
5. System setting：set VCI formation, language, unit, data logging, user information, help function
etc;
6. Remote assistance：to achieve remote assistance by this function.
7. Report center：to record maintenance data logging and create reports during operation.

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1.3 KNOWLEDGE OF KEY MASTER DP
1.3.1 Key Master Whole Set
Key Master DP is composed of Key Master DP tablet computer and VCI connector.
1.3.2 Key Master DP Tablet Computer

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1.3.3 Key Master VCI connector
1.4 TECHNICAL PARAMETER
Key Master DP：
●Operation system：Android 5.1
●CPU：Exynos4418 Dual Core ARM Cortex A9 1.4GHz
●Battery：7400mAh, rechargeable polymer lithium battery
●Standby time：subject to the using environment, it can keep working for 7 hours generally.
●Extension memory card: 32G MicroSD (TF)card supported
●Memory capacity：2GB
●Storage capacity：16GB
●LCD：7.0
●LCD resolution：1280*800

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●Touch screen：capacitive touch screen
●Camera：5 mega rear view camera
●Wi-Fi：supported
●Bluetooth：supported
●Working temperature：-10℃~55℃（14℉~131℉）
●Storage temperature：-20℃~70℃（-4℉~158℉）
●Weight：about 1 Kg
●Dimension：100mm*100*mm*10mm
VCI Connector parameter：
●Working voltage：9~15V
●Working current：about 35mA
●Standby current：25mA
●Working temperature：-20℃~55℃（-4℉~131℉）
●Storage temperature：-30℃~70℃（-22℉~158℉）
●Storage humidity：<80%
●Working humidity：<60%
●Net weight：about 26g
1.5 PACKAGE LIST
Please check the following accessories while purchasing:
●Key Master DP tablet computer
●Key Master DP User’s Manual
●VCI box
●Diagnostic connector
●

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2 PREPARATION
2.1 CHARGE KEY MASTER DP
1. Connect the included USB cable with charge.
2. Plug the charge into AC outlet.
3. When it starts to charge, battery logo indicates
4. When battery logo changes into
，it indicates that the battery is fully charged and then disconnect
charger from AC outlet.
5. Unplug USB cable on the charge from Key Master DP.
2.2 USING BATTERY
●If the battery keeps unused for a long time or battery is completely discharged, it is normal if
it can not be turned on while being charged. Please charge it for a period and then turn it
on.
●Using data service will cause more power consumption and shorten the standby time.
●The charging time of battery varies with temperature condition and battery consumption
status.
●While Key Master DP has low battery, a beep will sound. If it is very low, Key Master DP will
be switched off automatically.
Note: Do one of the followings to save power:
1. When Key Master DP keeps unattended, press POWER key to turn off the LCD.
2. Shorten the standby time: Enter main menu, choose “Settings” > “DEVICE”> “Display” >
“Sleep” to select a shorter standby time.
3. Decrease the brightness of LCD display: Enter main menu, choose ”Settings” > “DEVICE” >
“Display” > “Brightness”, and then drag the slider to adjust it.
4. Change “Live wallpaper” into “Gallery”.
5. Set Bluetooth off: Enter main menu, choose “Settings” > “Wireless &Network” > “Bluetooth”,
and then toggle the switch to OFF.
6. Set Wi-Fi off: Enter main menu, choose “Settings” > “Wireless & Network” >“Wi-Fi”, and then
toggle the switch to OFF.

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7. Press VOLUME key to decrease the volume.
2.3 POWER ON/POWER OFF KEY MASTER DP
2.3.1 POWER ON
Press and hold Power button for three seconds to turn on Key Master DP.
Note：set date,time and time zone.
2.3.2 POWER OFF
1. Press and hold Power button for three seconds to turn off Key Master DP.
2.4 ABOUT DESKTOP
2.5 CUSTOMIZE YOUR DESKTOP
2.5.1 Add items on the desktop
On the main menu, hold and press the desired item, the system will automatically enter the
desktop and place the icon into the circle.
Hint: If many applications occupy the desktop, hold and press the desired one to move it to other
extension desktop.
2.5.2 Move items on the desktop
1. Hold and press the item to be moved.
2. After a movable circle appears on the screen, drag it to the target location.
2.5.3 Delete items on the desktop
1．Hold and press the desired item, “X-Delect”appears in the upper middle of the screen.
2．Dragon the item to “X-Delect”.
3. When the item and icon turn red and then release it.

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2.5.4 Change your wallpaper
1．Hold and press a blank area on the desktop, a pop-up wallpaper will be shown on the screen.
2．Choose desired wallpaper.
3．Click upper left corner √to set wallpaper.
2.5.5 Create a folder on the desktop
1．Drag one icon to another icon, the system will create a folder.
2．Input the folder name.
2.6 ON USING TOUCH SCREEN
●Tap: Use your finger to tap desired items to confirm or open it.
●Long-press：press and hold the current interface, icon or input field to open the available
operation options.
●Slide: use your finger to slide the screen horizontally or vertically.
●Drag: hold and press the desired item, then drag it to any location.
2.7 AUTO-R0TATE THE SCREEN
To perform such operations as browsing webpage, viewing images etc, rotate Key Master DP,当
the screen will automatically change the display direction. To disable this function,
click ”Settings”and click ”display ”to enter. Unselect the option ”Auto-rotate the screen”.
2.8 LOCK&UNLOCK
2.8.1 Lock the screen
●When Key Master is ON, press POWER key to lock the screen.
●The system will lock the screen automatically after Key Master DP remains idle for a long
time.
2.8.2 Unlock the screen
Press POWER key to activate the screen and then drag the lock to “Unlock position.”

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2.9 NOTIFACTION BAR
The notice bar is used to display some activities, messages to remind and inform users.
2.9.1 Turn on the notification panel
1．When a new notification icon appears on the status bar, slide the status bar upwards to open
it.
2．In the notification panel, click the desired notification item to open it.
2.9.2 Turn off the notification panel
Slide the panel upwards, and then specify the notifications as OFF to turn it off.
2.10 INPUT METHOD
Set input method：
Enter main menu, and then select ”Settings”->”Language and keyboard”to choose desired input
method.
The default input method is Sogou input can support powerful word stock engine, intelligent
Sogou input and multiple keyboard mode. Android keyboard and Google input method and make
input easier.
To start text input mode, please click any text input entry.
In text input entry interface, text and icon are defined as follows:
：Cursor
：Voice input.
: Change input method skin.
：Hot word interface can set input method, skin and lexicon.
：QR code.
: Hide keyboard. Tap again to display keyboard.
: Delete all content.
: Newline

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：Transfer into chinese-English input method.
：Insert white space.
：Transfer into number input method.
：Punctuation mark interface.
：Transfer capital and small letter.
: English association input.
2.11 HOW TO SET AS AIRPLANE MODE
According to the regulations of some countries or areas, PC device must be turned off before
boarding on the airplane. The way to disable functions of X-431 PRO is to set it as airplane mode.
In this mode, all wireless radio waves will be disabled, including mobile network, Bluetooth and
WLAN.
Do one of the followings to enable or disable airplane mode:
●Press POWER key and choose “Airplane mode” from the pop-up option menu.
●Access the main menu, and choose “Settings” > “WLAN” > “More…” >“Airplane mode”.
3 HOW TO DIAGNOSE
3.1 CONNECT VCI CONNECTOR
Procedure to connect VCI connector:
1. Locate vehicle’s DLC socket. The DLC (Data Link Connector or Diagnostic Link Connector) is the
standardized 16-cavity connector where diagnostic code readers interface with the vehicle's
on-board computer. The DLC is usually located 12 inches from the center of the instrument panel
(dash), under or around the driver’s side for most vehicles. If Data Link Connector is not located
under dashboard, a label should be there telling location. For some Asian and European vehicles,
the DLC is located behind the ashtray and the ashtray must be removed to access the connector.

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If the DLC cannot be found, refer to the vehicle’s service manual for the location.
2. Plug the VCI diagnostic connector into the vehicle’s DLC socket (It is suggested to use the OBD
2 extension cable to connect VCI connector and DLC socket.). For non-16PIN DLC socket, please
select the corresponding non-16 pin connector adapter, then plug the non-16pin end
of the adapter into the DLC socket, and then connect the standard 16pin end VCI connector.
3.2 Bluetooth Setting
1．Enter Key Master to set System setting, and choose VCI information.
2．Operate according to following prompt:
A.”Please match：VCI_888888888888(Bluetooth name)”
b．“Connected：VCI_888888888888(Bluetooth name)”
C．“Not connected：VCI_888888888888(Bluetooth Name)” Please connect VIC connector to
vehicle, Key Master DP will connect automatically.
3.3 DIAGNOSIS FLAWCHAT
For new users, please follow the operation shown in 3-2 to get familiar with and start using Key
Master DP.

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VCI diagnostic connector VCI –> Bluetooth connection(USB connection)–>user registration–>user
login–>download or upgrade software–>select function or vehicle type–>proceed diagnosis
3.4 User registration and download diagnostic software
3 .4.1 User Registration
Click to enter diagnostic software, select user information in system setting menu,
then enter user registration window. As shown in following photo:
Fill in the information in each field (Items with * must be filled). After inputting, tap “OK”
If you have registered to be a member,, click “user information” to enter user login page, as
following picture shown:

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3.4.2 Download Diagnosis Software
Tap “One Key Upgrade” to enter one key upgrade page, as following picture shown:
Tap “One Key Upgrade” to start downloading, enter main interface after finishing
downloading.(Notes: Ensure internet connection is normal when updating. Besides, because of
many software, it may take several minutes, please wait patiently) If need to cancel a software,
just tap corresponding Check Box before its software, as following picture shown:

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3 .4.3 Diagnostic software main interface introduction

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Function menu included as follows:
Diag Program: operate as a diagnostic tool.
Maintenance Database: Provides abundant automotive technology
handbook and repair case for your reference
Video Center: to guide users by video
One Key Upgrade: To download diagnostic software or upgrade diagnostic software to the latest
version
Settings: It include VCI information, language, unit, data records, user information, help, about.
Remote assistance: Can realize remote hosting operation.
Report Center: Can record maintenance data and diagnostic report
3.5 Start Diagnosing
Tap on the main menu screen, and then choose “DP” to enter the function selection and vehicle
selection page. As following photo shown:

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Hereinafter, take OBDII for example, to introduce how to start diagnosing.
Tap ” OBDII engine”, and tap “OBDII” icon. As following photo shown:
To select software version, as following photo shown:

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To enter diagnostic function menu, as following photo shown:
To select auto scan, as following photo shown: