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HANDHELD COMPUTER
DF7A
USER'S GUIDE
(Preliminary Version)

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  • Page 1 HANDHELD COMPUTER DF7A USER’S GUIDE (Preliminary Version)
  • Page 2 No part of this publication may be reproduced and modified without the written permission of MilDef Crete Inc. MilDef Crete Inc. reserves the right to make changes in the products or the product specifications without any prior notice. Customers are advised to contact MilDef Crete for updated product information.
  • Page 3 Regulatory Information/ Disclaimers Installation and use of this computer must be in strict accordance with the instructions included in the user documentation provided with the product. Any changes or modifications (including the antennas) made to this device that are not expressly approved by the manufacturer may void the user’s authority to operate the equipment.
  • Page 4 FCC (Federal Communications Commission) Statement This equipment has been tested and found to comply with the limits for a Class-B digital device pursuant 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 radiates radio frequency energy.
  • Page 5 Products with the CE Marking comply with both the EMC Directive (2004/108/EC) and the Low Voltage Directive (2006/95/EC) issued by the Commission of the European Community. Compliance with these directives implies conformity to the following European Norms: CISPR 22 Radio Frequency Interference EN55022 EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5, EN61000-4-6, EN55024...
  • Page 6 CE Declaration of Conformity It is confirmed to comply with the requirements set out in the Council Directive on the approximation of the laws of the member states relating to Electromagnetic Compatibility Directive (2004/108/EC), Low-voltage Directive (2006/95/EC) and the procedures given in R&TTE Directive (99/5/EC).
  • Page 7 Power Conservation This handheld computer consumes less power compared to conventional consumer computers. The power consumption may be further reduced by properly configuring the Power Management Setup. It is recommended that the power saving features be enabled even when not running on battery power.
  • Page 8 Battery Precautions  Only use batteries designed for this handheld computer. Using incompatible battery types may cause explosion, leakage or damage to the computer.  Do not remove the battery from the computer while the computer is powered on.  Do not continuously use a battery that has been dropped, or that appears damaged (e.g.
  • Page 9 Environmental Information, Material Safety & Recycling All materials used in the manufacturing of this equipment are recyclable or environmentally friendly. Please recycle the packing materials in accordance with local regulations at the end of the product's service life. Notice:  The equipment may contain insignificant amount of hazardous substances for health and environment below control level.
  • Page 10: Table Of Contents

    TABLE OF CONTENTS   Chapter 1 - Getting Started ................1   Unpacking.........................1  Workplace.........................2  Environmental Ratings ...................2  Ruggedness ......................2  Appearance Overview ....................3  Ready for Use ......................7  Chapter 2 - Operating Information ..............10   Start Using Your Handheld Computer ..............10  Suspend / Stop Using Your Handheld Computer ..........12 ...
  • Page 11 External Storage ....................29  OS..........................29  Audio ........................29  Display ........................30  Wireless Communication Devices ..............30  I/O Ports........................31  Battery ........................32  Double Capacity Battery (Option) ...............32  20W AC Adapter ....................32  Dimensions & Weight ...................32  Case Materials and Color ..................33  Certification ......................33  Accessories ......................34  Multi-Charger MCDF (Option) ................35  Chapter 5 - Maintenance and Service............
  • Page 12: Chapter 1 - Getting Started

    Getting Started    Chapter 1 - Getting Started Unpacking The following list of items are packaged and shipped along with your handheld computer. If any of these items is missing or damaged, please notify your dealer immediately.  Handheld Computer Unit ...
  • Page 13: Workplace

    Getting Started    Workplace A clean and moisture-free environment is preferred. Make room for air circulation. Remember to avoid areas from:  Sudden or extreme changes in temperature.  Extreme heat.  Strong electromagnetic fields (Near television set, motor rotation area, etc.). ...
  • Page 14: Appearance Overview

    Getting Started    Appearance Overview Before starting to use your handheld computer, it is advisable that you take a quick glance to familiarize yourself with the locations of your device’s external buttons and components. Note, the following illustrations show optional devices which may not on your device. Front View 1 ...
  • Page 15 Getting Started    readable screen. Function Back/Home/Menu Keys Rear View 1  2  3  Feature Functional Description Remark Slot-type head for locking the battery. Battery Lock Mono Speaker for audio output. Speaker Provides power source to your device. Battery Pack Chapter 1 ‐ 4 ...
  • Page 16 Getting Started    Right View Feature Functional Description Remark Turns the device ON/OFF. Power Button Put the device to suspend mode. Removable mass storage media. Micro SD Card Slot Left View     2  Feature Functional Description Remark Increases device audio volume. Volume up control Decreases device audio volume.
  • Page 17 Getting Started    Top View L2  Feature Functional Description Remark Embedded Optional Embedded ANT. for GPS ANT. Optional SMA ANT. function: Refer to SMA ANT. WiFi & Bluetooth, GPS Appendix Optional SMA ANT. function: Refer to SMA ANT. WiFi & Bluetooth, GPS Appendix Bottom View  ...
  • Page 18: Ready For Use

    Getting Started    Ready for Use After taking a quick look at your handheld computer, the following illustrations will help you setup your handheld computer ready for operations. Mounting the Battery Mount the battery into the battery bay. Turn clockwise and lock firmly with a slot screwdriver or a coin.
  • Page 19: Turning On The Power

    Getting Started    Connecting the AC Adapter Insert the end of LEMO connector to Plug the AC cord into the AC adapter. the micro USB client. Plug the AC power plug into an electrical outlet. Turning ON the Power Make sure the battery is securely mounted. Connect all power cords properly. Turn on the power of your handheld computer by pressing the “Power Button“.
  • Page 20 Getting Started    Turning Off the Power To turn off the power of your handheld computer, press the power button once and wait for the Power Menu to be displayed onscreen. From the Power Menu, tap the “Power Off” button to turn off the power of your handheld computer. Note: ...
  • Page 21: Chapter 2 - Operating Information

    Operating Information   Chapter 2 - Operating Information Start Using Your Handheld Computer Turn on your handheld computer by pressing the power button few seconds until you feel vibration. After turning on the power of your handheld computer, the device will boot up with Android system.
  • Page 22 Operating Information   Main Dock The Main Dock, which is located at the bottom of your desktop, allows you to easily launch programs and applications installed within your handheld computer. Users can set and customize the Main Dock by their preference. A sample image of Main Dock is provided as below.
  • Page 23: Suspend / Stop Using Your Handheld Computer

    Operating Information   Suspend / Stop Using Your Handheld Computer Suspend In order to conserve your device battery life, you may place your device into suspend mode. By pressing the power button, the display of your handheld computer will be turned off, entering into suspend mode.
  • Page 24 Operating Information   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. Hardware Reset If you press the power button for more than 8 seconds, the hardware of the device will reset.
  • Page 25: Using The Touchscreen

    Operating Information   Using the Touchscreen Basic Operation Your handheld computer is equipped with a highly sensitive touch screen, allowing you to navigate on the touch screen easily without using other external devices. A list of operating tips is provided below to help you operate the touch screen more effectively. Desired Operation Action Tap the screen with your finger when you want to select...
  • Page 26: Using Application Keys

    Operating Information   Using Application Keys The following table shows basic functions of using application keys. Application Keys Functions Press to return to the previous screen. Back - Press to return to the Home screen. Home - Press and hold to show applications recently used. - Press to open the menu.
  • Page 27: Audio Features

    Operating Information   Audio Features Your handheld computer is equipped with an audio codec 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. Chapter 2 ‐ 16 ...
  • Page 28: Manage Micro Sd Card

    Operating Information   Manage Micro SD Card Your handheld computer has a Micro SD card slot for storage expansion. The Micro SD card slot supports SDHC format, which supports card capacity up to 32 GB. The card slots are located at the bottom-right side of your handheld computer. To remove the card slot cover, please use a slot head screwdriver or a suitable sized coin.
  • Page 29 Operating Information   Inserting Micro SD Card Insert Micro SD card into the bottom card slot with pins facing up. Removing Micro SD Card To remove micro SD card, it is suggested to safely remove it by Tap Menu key => Settings =>...
  • Page 30 Operating Information   Note:   Do  not  have  a  sudden  removal  of  SD  cards  when  the  device  is  turned  on.  Such  an  action may cause data loss.  Chapter 2 ‐ 19 ...
  • Page 31: Device Connectivity

    Operating Information   Device Connectivity For your ease of operations, you can turn on/off your wireless devices through Setting Menu. The following image is an example of wireless and networks connection. Chapter 2 ‐ 20 ...
  • Page 32: Wi-Fi (Option)

    Operating Information   Wi-Fi (Option) Wi-Fi is an optional wireless communication module for your handheld computer for Wi-Fi connectivity. The Wi-Fi module of your handheld computer supports IEEE 802.11 b/g/n. To activate your Wi-Fi function, please follow the steps below: Tap the Setting icon Swipe the bar to the ON position to turn on WLAN connection.
  • Page 33: Bluetooth (Option)

    Operating Information   Bluetooth (Option) A Class 2, Bluetooth® v2.1 + EDR system with A2DP is an optional device for your handheld computer. This module is backward compatible with v1.1/1.2/2.0 devices and provides your handheld computer with a short-range wireless communication protocol to connect with other compatible devices.
  • Page 34: Gps (Option)

    Operating Information   GPS (Option) GPS is an optional module for your handheld computer. The GPS module allows you to locate your position through 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.
  • Page 35: Chapter 3- Managing Power

    Operating Information   Chapter 3- Managing Power AC Adapter The AC adapter performs two functions:  It powers the computer from an external AC source.  It charges the computer battery. The adapter automatically detects the AC line voltage (100V or 240V) and adjusts accordingly.
  • Page 36 Operating Information   Standard: LEMO Conn.  Optional: Micro USB Conn.  Note:   To ensure system stability, please connect your computer to an external power source  when operating at ‐20 °C ambient temperature.  Chapter 3 ‐ 25 ...
  • Page 37: Battery

    Operating Information   Battery The power source of your handheld computer will automatically switch to battery when external power source (such as AC adapter or optional vehicle adapter) is disconnected. The following section provides battery related information, operation, as well as power-saving tips.
  • Page 38 Operating Information   Battery Gauge For checking battery status, please do the following step: Tap Settings => About phone => Status Then, the remainig Battery Power Saving Tips You may extend the battery life of your handheld computer by:  Lower the LCD display brightness using backlight control. ...
  • Page 39 Operating Information   Changing Battery When the battery is nearly exhausted, you can continue operation by either connecting your handheld computer 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. ...
  • Page 40: Chapter 4- Specifications

    Specifications    Chapter 4- Specifications Processor Qualcomm MSM8225Q™   Quad-Core Cortex™-A5 1.2GHz Memory  RAM: 1GB Mobile RAM  ROM: 8 GB External Storage Micro SD Card (support SDHC up to 32G) Android 4.1.2 (Jelly Bean) Audio  Mono Speaker (Back Side) ...
  • Page 41: Display

    Specifications    Display  5” WVGA (480 x 800 pixel) with LED B/L  Capacitive Multi Touch +Sunlight Readable screen  Anti-glare screen treatments  Optical bonding  Brightness (min.~typ.): 320~384 nits Wireless Communication Devices  IEEE 802.11b/g/n Wi-Fi (2.4GHz) ...
  • Page 42: I/O Ports

    Specifications    I/O Ports Right:  Micro SD card slot Optional Expansion POGO 20 pin (L3)  Left: Optional Cradle POGO 20 pin (L4) Top:  Optional SMA ANT. Bottom:  DC-in/USB client: - Standard: Sealed DC-in 5V with LEMO Conn. (8 pin) - Optional: Sealed Micro USB ...
  • Page 43: Battery

    Specifications    Battery  3.7V 3520 mAh Lithium-ion Battery (BD61A) 4.5 hours Battery life (Depends on your usage and device settings)  Double Capacity Battery (Option)  3.7V, 7040mAh Li-ion battery pack (BD61B)  9 hours Battery life (Depends on your usage and device settings) 20W AC Adapter Input: AC 100V-240V 50/60 Hz ...
  • Page 44: Case Materials And Color

    Specifications    Case 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)
  • Page 45: Accessories

    Specifications    Accessories  20W AC Adapter 1M USB Cable (LEMO 8p to USB)   Optional Carry Bag (Same as DB6)  Optional 1M USB Cable (Micro USB to USB)  Optional 1M VGA Test Cable (Fischer 9p to DB15) ...
  • Page 46: Multi-Charger Mcdf (Option)

    Specifications    Multi-Charger MCDF (Option) INDICATORS AND PORTS  Indicators:  Power Indicator: Show green light when attaching 90W AC Adapter.  Charger Indicator: Show orange light when charging battery, or OFF for fully charged. Battery Charging Ports x 4 ...
  • Page 47: Chapter 5 - Maintenance And Service

    Maintenance and Service   Chapter 5 - Maintenance and Service Cleaning ALWAYS turn off the power, unplug the power cord and remove the battery before cleaning. The exterior of the device and display may be wiped with a clean, soft, and lint-free cloth. If there is difficulty removing dirt, apply non-ammonia, non-alcohol based glass cleaner to the cloth and wipe clean.
  • Page 48 Maintenance and Service   Networking Problems I cannot connect to a wireless Wi-Fi network  Make sure that: Wi-Fi Your handheld computer is within the range of a wireless access point.. Check if the Wi-Fi has been turned on. I cannot connect to another device with Bluetooth network ...
  • Page 49: Rma Service

    Maintenance and Service   RMA Service If troubleshooting steps are unsuccessful, consult your dealer for RMA. Shipping instructions: Remove any personal data. Use the original shipping container and packing materials, if possible. If the original packing materials are not available, wrap the equipment with soft material (e.g.
  • Page 50: Appendix

    Appendix    Appendix: Options and CDP (custom design project) for the expansion of your handheld computer L2                                L1    DC‐in/USB  L5‐3  L5‐2 L5‐1    client Location Feature Functional Description...
  • Page 51 Appendix    Note:   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.    Appendix ‐ 40 ...

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