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Chapter 5 - 39 

Maintenance and Service 

 

Networking Problems 

 

Wi-Fi 

I cannot connect to a wireless Wi-Fi network 

 

Make sure that: 

-

 

Your handheld computer is within the range of a wireless access 
point. 

-

 

Check if the Wi-Fi has been turned on. 

 

Bluetooth 

I cannot connect to another device with Bluetooth network 

 

Ensure that: 

-

 

Both devices have Bluetooth turned on.   

-

 

The distance between the two devices is not over 10 meters/32 
feet and that there are no large obstructions between the devices.   

-

 

Both devices are compatible. 

GPS 

I cannot connect to a mobile broadband network 

 

Do the following: 

-

 

Check if GPS has been turned on. 

-

 

If you are outdoors, please move away from buildings or 

obstructions, and expose your device to open sky. 

-

 

If you are indoors, please move closer to a window. 

 

Summary of Contents for DF8A I

Page 1: ...HANDHELD COMPUTER DF8A USER S GUIDE ...

Page 2: ...makes no representations or warranties either expressed or implied with respect to the contents hereof and specifically disclaims any warranties for the correctness of this book nor any license grant of MilDef Crete s patents or intellectual properties MilDef Crete assumes no liability for customer s loss or damage caused by using this document Trademarks Android is a registered trademark of Googl...

Page 3: ...Revision History Revision Date Changes Author 1 0 0 2016 MM DD Official release Janice Liao ...

Page 4: ...iolation of government regulations arising from failing to comply with these guidelines FCC RF Exposure Statement Your device contains a radio transmitter and receiver The radiated output power is far below the international radio frequency exposure limits These limits are part of comprehensive guidelines and establish permitted levels of RF energy for the general population The guidelines are bas...

Page 5: ...rence by one or more of the following measures Re orient 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 This device complies with Part 15 of the FCC Rules Operation is subject to the ...

Page 6: ...ms EN55022 CISPR 22 Radio Frequency Interference EN55024 EN61000 4 2 EN61000 4 3 EN61000 4 4 EN61000 4 5 EN61000 4 6 EN61000 4 8 EN61000 4 11 EN61000 3 2 EN61000 3 3 Generic Immunity Standard LVD EN 60950 1 2006 A12 2011 AC 2011 IEC 60950 1 2005 AM1 2009 R TTE CE Manual Regulatory Requirement WLAN IEEE 802 11 b g n 802 11 b g n Restrictions European standards dictate maximum radiated transmit powe...

Page 7: ...etic Compatibility Directive 2014 30 EU Low voltage Directive 2006 95 EC and the procedures given in R TTE Directive 99 5 EC The equipment was passed and the equipment test was performed according to the following European standards EN 300 328 V1 8 1 2012 EN 301 489 1 V1 9 2 2011 EN 301 489 17 V2 2 1 2012 EN 62311 2008 EN 300 440 V1 6 1 2010 UL TÜV AC Adapter TÜV includes LVD EN60950 1 ...

Page 8: ...ism for ensuring product safety Please do not neglect the importance of this mechanism If you are unable to access a compatible outlet please hire a qualified electrician to install a compatible outlet for you When unplugging the AC power cord please make sure to disconnect the cord by pulling from the plug head instead of pulling from the wire to prevent wire damage Make sure the power outlet and...

Page 9: ... by yourself For battery service or replacement please contact with your service representatives Please dispose damaged battery promptly and carefully Explosion or leakage may occur if the battery is improperly handled or discarded Battery Disposal Caution The product that you have purchased contains a rechargeable battery The battery is recyclable At the end of its service life under federal stat...

Page 10: ... the eco system and to minimize the pressure on the natural environment you are encouraged to reuse or recycle most of the materials in a safe way after an end of the product life For more information on collection reuse and recycle of materials please consult local or regional waste administrations for more information You can also contact your dealer for more information on the environmental det...

Page 11: ... 11 Start Using Your Handheld Computer 11 Suspend Mode 12 Factory Reset 12 Using the Touchscreen 13 Brightness Adjustment 14 Using Function Keys 15 Audio Features 16 Manage Micro SD Card 17 USB Connection 19 WiFi Option 21 Bluetooth Option 22 GPS Option 24 Camera Option 25 Chapter 3 Managing Power 27 AC Adapter 27 Battery 28 Chapter 4 Specifications 31 ...

Page 12: ... Sensors 32 I O Ports 33 Battery 34 Double Capacity Battery Option 34 AC Adapter 34 Dimensions Weight 35 Operating Storage Temperature 35 Case Materials and Color 35 Certification 36 Accessories 36 Multi Charger MCDF Option 37 Chapter 5 Maintenance and Service 38 Cleaning 38 Troubleshooting 38 RMA Service 40 Appendix 41 ...

Page 13: ...ur handheld computer If any of these items is missing or damaged please notify your dealer immediately Handheld Computer Unit 25W AC Adapter Quick Guide Note The protective film attached on the screen is for shipping protection only Please tear off the film before using to ensure that all of the functions can be operated normally ...

Page 14: ...otation area etc Dust or high humidity If this handheld computer is required to work in a hostile environment please maintain your handheld computer regularly by cleaning dust water and etc to keep it in an optimal operating condition Ruggedness This handheld computer is designed with rugged features such as vibration shock dust and rain water protection However it is still necessary to provide ap...

Page 15: ...the following illustrations show optional devices which may not on your device Front View I Model M Model No Feature Functional Description Remark 1 Charge Indicator LED lights up orange when charging begins and off when charging is finished 2 Built in Mic Microphone for recording 3 Touch Screen Displays and receives information for the device I Model Capacitive Multi Touch Screen M Model Resistiv...

Page 16: ...o return to the previous screen Home Press to return to the Home screen Press and hold to show applications recently used Menu Press to open the menu M Model I II III I Press to return to the previous screen II Press to return to the Home screen Press and hold to show applications recently used III Press to open the menu ...

Page 17: ... supports 5 MP mega pixel 2 Battery indicators Show battery capacity The number of indicators light up green depends on battery capacity 3 Battery Button Trigger battery indicators to show battery capacity 4 Battery Lock Slot type head for locking the battery 5 Speaker Mono Speaker for audio output 6 Battery Pack Provides power source to device 4 5 6 1 3 2 ...

Page 18: ... suspend mode 2 Micro SD Card Slot Removable storage media L3 Optional Expansion POGO Connector For expanding functions Left View No Feature Functional Description Remark 1 Volume up button Increases the sound volume 2 Volume down button Decreases the sound volume L4 Optional Cradle POGO Connector For expanding functions 1 2 1 2 L4 L3 ...

Page 19: ...al SMA ANT SMA ANT function WiFi Bluetooth GPS Refer to Appendix Bottom View No Feature Functional Description Remark 1 DC in USB client Standard Sealed DC in 5V with LEMO 8 pin Connector Optional Sealed DC in 10 32V BVA with LEMO 8 pin Connector Refer to Appendix L5 Optional Fischer connector Choose 1 out of 5 for each connector RS232 USB MLAN Headset VGA Refer to Appendix 1 1 L2 L1 L5 2 L5 1 L5 ...

Page 20: ... quick look at your handheld computer the following illustrations will help you setup your handheld computer ready for operations Mounting the Battery A Mount the battery into the battery bay B Turn clockwise and lock firmly with a slot screwdriver or a coin ...

Page 21: ... ON the Power 1 Make sure the battery is securely mounted or connect all power cords properly 2 Turn on the power of your handheld computer by pressing and holding the Power Button for a few seconds Note You can turn on the power of your handheld computer without a mounted battery if your handheld computer is directly attached to an external power source Press and hold the Power Button a few secon...

Page 22: ... on options menu as the image below and then tap OK Your handheld will be powered off On Power Off state your handheld device is completely turned off All applications are terminated no wireless connectivity is established and all unsaved data are lost Power Off is an ideal state for your handheld device when you do not need to operate your device for an extended period of time Note If you lose po...

Page 23: ...hen turning on the power your will see LOADING on the screen and your handheld computer will start to load the required boot up files and processes for operation This start up procedure is called boot up Your handheld computer requires approximately 30 seconds of Boot Up time before the OS is fully loaded After boot up you will be presented with the desktop screen as below You can create short cut...

Page 24: ...e To resume your device from Suspend mode press the power button again Factory Reset In some conditions you may encounter some unsolved issues on your handheld computer or you would like to erase your personal data and files Factory reset is a method to restore your device to the original manufacturer state To perform the factory reset please follow the instructions below 1 Tap Settings 2 Tap Back...

Page 25: ...finger when you want to select onscreen items such as application icons or onscreen buttons Press and hold To open the available options for an item for example a contact or link in a webpage just press and hold the item Swipe Swiping your finger in light quicker strokes such as moving right and left of the tabs is an efficient way to navigate the apps Touch Lock You can press Volume up button and...

Page 26: ...vides an alternative way to adjust the brightness by pressing volume up down buttons Please follow the steps below to set up Settings Tap Display Brightness Tap AUTO or drag the bar to adjust the brightness Note The range of brightness on DF8A is from 20 to 450 nits ...

Page 27: ...del Function Keys Functions Back Press to return to the previous screen Home Press to return to the Home screen Press and hold to show applications recently used Menu Press to open the menu M Model Function Keys Functions I Press to return to the previous screen II Press to return to the Home screen Press and hold to show applications recently used III Press to open the menu ...

Page 28: ...odec for sound playback To adjust the volume of your device please use the volume up down button located at the upper left side of your device as the image below By pressing the volume up down button you can increase lower the volume or adjust to silent mode and vibration mode to suit your preference ...

Page 29: ...omputer To remove the card slot cover please use a slot head screwdriver or a suitable sized coin Turn counterclockwise to unlock The location of micro SD card slot is shown as the image below Please notice the card slot differences to prevent the insertion of incompatible card types and do not attempt to force the cards into wrong card slots to prevent from damages of your handheld computer Note ...

Page 30: ...n insert micro SD card the connector pins of your cards should be facing up Removing Micro SD Card To remove micro SD card it is suggested to safely remove it by Tap Settings Storage Unmount SD card OK as the following image shows Note Do not suddenly remove SD cards when the device is turned on Such an action may cause data loss Note Insert Micro SD card into the bottom card slot with pins facing...

Page 31: ...function please follow the steps below to set up the connection 1 Connect the device to a computer with LEMO to USB cable 2 Then tap Settings Storage Press Menu key Tap USB computer connection Connect as Media device camera Now the setting is completed and your handheld computer is connected to the other computer and you can transfer files and data between the two devices ...

Page 32: ...l accessory Before tapping USB computer connection your device needs to connect to a computer first Otherwise tapping USB computer connection will be no reaction Battery remaining capacity is suggested to be at least 30 when using USB connection to transfer data and files ...

Page 33: ...ings 2 Slide the bar to the ON position to turn on Wi Fi connection 3 Tap Wi Fi to select a network for connection You may be required to insert passwords to set up and enable the connection especially if you select a secured network When your device is connected to Wi Fi the Wi Fi icon will appear on the Status bar When you want to disconnect Wi Fi slide the bar to OFF position in step 2 ...

Page 34: ...held computer with a short range wireless communication protocol to connect with other compatible devices To activate your Bluetooth functions please follow the instructions below 1 Tap Settings 2 Slide the bar to the ON position to turn on Bluetooth When turn on Bluetooth the Bluetooth icon appears on the Status bar 3 Tap Bluetooth Tap DF8A to make your device visible Tap SEARCH FOR DEVICES ...

Page 35: ...check the passkey and start to pair 5 DF8A will automatically pair with the device Now you can follow the on screen instructions to connect devices and transfer data and files Note Please make sure that the device you would like to pair with is discoverable Otherwise it will not show on the available device list ...

Page 36: ... satellites To make sure that it can function normally please use the device outside with a clear view of the sky and do not cover the antenna To activate your GPS functions please tap the GPS APP and the device will search the satellite automatically Please follow the instructions below 1 Tap u center APP 2 The device will search satellites automatically ...

Page 37: ...tional module for your handheld computer The Camera application allows you to take pictures and shoot videos To use camera app please follow the instructions below 3 Taking pictures Tap to take pictures 1 Tap Camera APP 2 Tap to change mode pictures video panoramic ...

Page 38: ...Operating Information 4 Shooting videos Tap to start shooting To stop shooting tap 5 Taking Panoramic Pictures Tap to start Slowly pan your device toward the other side The status bar shows your progress Tap to stop ...

Page 39: ...AC outlet exclusively for the computer Having other appliances on the same line may cause interference Use a power strip with built in surge protection Connecting the AC adapter Insert the end of LEMO to the LEMO CONN Connect the end of the AC cord to the AC adapter Plug the AC cord into an electrical outlet AC Adapter Indicator The green LED indicates that AC power is ready Note To ensure system ...

Page 40: ...rrently working on Plug in the AC adapter to recharge the battery Charging the Battery Plug in the AC adapter to start battery charging If the battery is at full capacity the internal sensing circuitry will stop high current charge within several minutes Additionally if you would like to charge more than one battery at the same time optional Multi Battery Charger MCDF is available for the convenie...

Page 41: ... remaining battery capacity will be shown There is a quick alternative way to check approximate battery level by using the battery button on battery pack The indicators will light up green after pressing the battery button Each indicator corresponds to 25 battery level Quantity of light up indicators from bottom Battery capacity 1 25 2 25 50 3 50 75 4 75 ...

Page 42: ...handheld computer when the device will not be used for an extended period of time Replacing Battery When the battery is nearly exhausted you can continue operating your device by either connecting to an external power source such as AC adapter or replacing the battery Note Always remember to turn OFF the power of your handheld computer before changing the battery Turn counterclockwise with a slot ...

Page 43: ...sor Freescale i MX6 FCPBGA 624 ARM Cortex A9 Quad Core 1GHz Memory RAM 2 GB LPDDR2 RAM ROM 32 GB eMMC External Storage Micro SD Card support SDHC SDXC up to 32G OS Android 4 4 3 KitKat Audio Mono Speaker Back Side Built in Microphone for sound recording Headset ...

Page 44: ...Touch Brightness min Typ 400 450 nits M model Resistive Single Touch Brightness min Typ 280 336 nits Wireless Communication Devices Wi Fi IEEE 802 11b g n 2 4GHz Bluetooth IEEE 802 15 1 2 4GHz Bluetooth 4 0 Optional GPS u blox Neo M8N Camera option 5M Pixel Auto Focus and LED Flash Camera Sensors Sensors provide 5 features Magnetic Accelerometer Gyro Light Proximity ...

Page 45: ...Optional Sealed DC in 10 32V BVA with LEMO Conn 8 pin L5 Optional Sealed Fischer Connector L5 1 L5 3 Choose 1 out of 5 for each connector RS232 x 1 USB x 1 MLAN x 1 Headset x 1 VGA x 1 Note For sealed Fischer connectors each function can only be chosen once Connectors are no foolproof design L3 L4 L5 trade off with each other When DC in 10 32V BVA is chosen it needs to work with 36W AC Adapter Als...

Page 46: ...Depends on your usage and device settings Double Capacity Battery Option 3 7V 7040mAh Li ion battery pack BD61D Weight 175g 9 hours Battery life Depends on your usage and device settings AC Adapter Standard 25W AC Adapter Input AC 100V 240V 50 60 Hz Output 5V 5A Optional 36W AC Adapter Input AC 100V 240V 50 60 Hz Output 12V 3A Need to choose 36W AC Adapter with LEMO conn 8pin ...

Page 47: ...ase Materials and Color Antenna Cover Recyclable UL grade PC ABS GE C2800 or C6200 Body Magnesium Alloy AZ91D Recyclable UL grade PC ABS GE C2800 or C6200 Buttons Silicon Rubber PCB FR 4 UL 94V 0 Battery Rechargeable Lithium Ion Electrochemistry system LiCoO2 C Li1 XCoO2 CLiX Packing Carton Recycled Recyclable Paper unbleached Cushion Recyclable EPE Carrying Bag Recyclable PE Fiber Quick Guide Rec...

Page 48: ...C Adapter Optional 1M USB Cable LEMO 8p to USB Optional Carry Bag Same as DB6 Optional 1M VGA Test Cable Fischer 9p to DB15 Optional 1M RS232 Test Cable Fischer 9p to DB9 Optional 1M MLAN Test Cable Fischer 5p to RJ45 Optional 20cm USB Test Cable Fischer 5p to USB Optional 20cm Headset Test Cable Fischer 5p to Audio Jack 3 5Φ ...

Page 49: ...for fully charged Battery Charging Ports x 4 Applicable Batteries BD61C 3 7V 3520mAh Li ion battery pack BD61D 3 7V 7040mAh Li ion battery pack PHYSICAL CARACTERISTCS Dimension 250 L x 250 W x 132 H mm Weight 795 g ELECTRONIC CHARACTERISTICS DC Input Range 12 32V DC Power Jack DC in 2 pin Charging Time 3 hours for BD61C 7 8 hours for BD61D CE FCC Certified ENVIRONMENTAL RATINGS Battery Charging Te...

Page 50: ...er then blow dry with an air gun Be sure not to turn the computer up side down while there is water being applied Troubleshooting Should the computer fail to function properly this section presents common problems and the solutions If troubleshooting solutions are unsuccessful please refer to RMA Service section below Power Problems Power Problems When I turn on the Handheld computer it does not r...

Page 51: ...th Bluetooth network Ensure that Both devices have Bluetooth turned on The distance between the two devices is not over 10 meters 32 feet and that there are no large obstructions between the devices Both devices are compatible GPS I cannot connect to a mobile broadband network Do the following Check if GPS has been turned on If you are outdoors please move away from buildings or obstructions and e...

Page 52: ...the following information Note Please keep a copy of this sheet for your records Name Address Unit serial number Place and date of purchase or the original invoice number Date of failure 7 A DETAILED Description of the problems you have encountered 8 A list of the hardware software configuration if applicable 9 Clearly mark the outside of the shipping box with the RMA If RMA is not present on the ...

Page 53: ...elect one WiFi BT ANT GPS L2 SMA Select one WiFi BT ANT GPS L3 POGO conn Expansion POGO 20pin L4 POGO conn Cradle POGO 20pin L5 1 Fischer connector 8 pin The following choices are for L5 1 L5 2 and L5 3 Fischer Connectors Choose 1 out of 5 for each connector Note one function can only be chosen once RS232 USB MLAN Headset VGA L5 2 Fischer connector 8 pin L5 3 Fischer connector 8 pin L2 L1 L5 1 L3 ...

Page 54: ...dix 42 Appendix Note L3 L4 and L5 are trade off with each other If Fischer Connector is chosen for L5 1 it will be a little extended than the other two Fischer Connectors as the following illustration shows ...

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