CipherLab 8500 SERIES Reference guide

8500 Series Mobile Compute

r

8500/8570

Version 2.21

The software contains proprietary information of CIPHERLAB CO., LTD.; it is provided

under a license agreement containing restrictions on use and disclosure and is also

protected by copyright law. Reverse engineering of the software is prohibited.

Due to continued product development this information may change without notice. The

information and intellectual property contained herein is confidential between CIPHERLAB

and the client and remains the exclusive property of CIPHERLAB CO., LTD. If you find

any problems in the documentation, please report them to us in writing. CIPHERLAB

does not warrant that this document is error-free.

No part of this publication may be reproduced, stored in a retrieval system, or

transmitted in any form or by any means, electronic, mechanical, photocopying,

recording or otherwise without the prior written permission of CIPHERLAB CO., LTD.

For product consultancy and technical support, please contact your local sales

representative. Also, you may visit our web site for more information.

The CipherLab logo is a registered trademark of CIPHERLAB CO., LTD.

All brand, product and service, and trademark names are the property of their registered

owners.

The editorial use of these names is for identification as well as to the benefit of the

owners, with no intention of infringement.

CIPHERLAB CO., LTD.

Website:

http://www.cipherlab.com

FOR USA

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.

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.

FOR CANADA

This digital apparatus does not exceed the Class B limits for radio noise emissions from

digital apparatus as set out in the interference-causing equipment standard entitled

"Digital Apparatus," ICES-003 of Industry Canada.

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.

Cet appareil numerique respecte les limites de bruits radioelectriques applicables aux

appareils numeriques de Classe B prescrites dans la norme sur le material brouilleur:

"Appareils Numeriques," NMB-003 edictee par l'Industrie.

FOR HAND-HELD PRODUCT WITH RF FUNCTIONS

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled

environment. This equipment should be installed and operated with minimum distance 20

cm between the radiator & your body. It only operated in hand-held used.

IMPORTANT NOTICES

If you only transfer data to the host wirelessly, please keep the minimum distance 20 cm

between machine & your body.

FOR PRODUCT WITH LASER

CAUTION

This laser component emits FDA / IEC Class 2 laser light at the exit port. Do not

stare into beam.

SAFETY PRECAUTIONS

RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.

DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.

 The use of any batteries or charging devices, which are not originally sold or

manufactured by CipherLab, will void your warranty and may cause damage to

human body or the product itself.

 DO NOT disassemble, incinerate or short circuit the battery.

 DO NOT expose the scanner or the battery to any flammable sources.

 For green-environment issue, it's important that batteries should be recycled in a

proper way.

 Under no circumstances, internal components are self-serviceable.

 The charging and communication cradle uses an AC power adaptor. A socket outlet

shall be installed near the equipment and shall be easily accessible. Make sure there

is stable power supply for the mobile computer or its peripherals to operate properly.

CARE & MAINTENANCE

 This mobile computer is intended for industrial logistics use. The mobile computer is

rated IP 64, however, it may do damage to the mobile computer when being exposed

to extreme temperatures or soaked wet.

 When the body of the mobile computer gets dirty, use a clean and wet cloth to wipe

off the dust. DO NOT use/mix any bleach or cleaner. Always keep the LCD dry.

 For a liquid crystal display (LCD) or touch screen, use a clean, non-abrasive, lint-free

cloth to wipe dust off the screen. DO NOT use any pointed or sharp object to move

against the surface.

 If you want to put away the mobile computer for a period of time, download the

collected data to a host computer, and then take out the battery pack. Store the

mobile computer and battery pack separately.

 When the mobile computer resumes its work, the main and backup batteries will take

a certain time to become fully charged.

 If you shall find the mobile computer malfunctioning, write down the specific scenario

and consult your local sales representative.

Version Date Notes

2.21 Mar. 09, 2011

 Modified: 3.7 Bluetooth Menu —

Not maintain Bluetooth PAN

(=BNEP) from 2011

 Modified: Specifications — add power adaptor spec.

2.20 Oct. 28, 2010

 New: Appendix III Key Reference Tables

 Modified: Remove support of 8580/8590

 Modified: 1.6.1 Symbologies Supported — ISBT 128 enabled by

default and UPC/EAN Addon 2 & 5 disabled by default; add more

GS1 DataBar symbologies

 Modified: 3.7 Bluetooth Menu — update table (add HID)

 Modified: 3.7.4 Echo Tests — Add “HID Test”

 Modified: 3.7.5 Pairing Test — Max. 11 characters for device name

 Modified: 3.7.6 Freq. Dev. List — Max. 11

characters for device

name

 Modified: 3.10.3 WLAN Setting — Add “Fixed BSSID”

 Modified: Specifications — 70 hours working time in Wi-Fi mode

2.12 May 20, 2009

 Modified: 1.3.2 24-key Layout — Press the Alpha key once to

input capital letters

 Modified: 4.1.1 Download — [C], [D] are case-sensitive

2.11 July 21, 2008

 Modified: 1.3.3 44-key Keypad – “59-key” corrected to “44-key”

2.10 Apr. 24, 2008 New Word template applied

2.01 Aug. 10, 2007

 Modified: 1.5.9 Reader – Defaults updated

 Modified: 4.1.8.(4) GSM/GPRS Menu> Security

 Modified: 4.1.8.(4) GSM/GPRS Menu> GPRS Settings

2.00 May 19, 2007

 New release

1.07 Oct. 31, 2006

 Modified: 1.5.9 List by standards for RFID tags

 Modified: 1.5.10 Bluetooth specification

 Modified: 4.1.7 Bluetooth Menu > Security – max. 16 characters

for PIN

1.06 July 27, 2006

 Modified: 1.3.9 Reader – RFID (add ICODE)

 Modified: 2.5.2 Front Panel (LEDs of cradle)

 New: 4.1.8(2) System Menu > IR Network Menu

1.05 June 22, 2006

 Modified: 1.3.9 Reader – RFID

 Modified: 4.1.1 Information – add RFID version

1.04 June 16, 2006

 FCC Regulations – Class B statement

 Modified: 1.3.9 Reader – Symbologies Supported & Enabled

RELEASE NOTES

1.03 May 23, 2006 Company name changed to CIPHERLAB CO., LTD. since April 2006

 New: Safety Precaution

 Modified: Care & Maintenance

 Modified: 1.2.3 Dimensions & Specifications

 Modified: 1.3.4 Keypad – Screen Icons

 Modified: 1.3.5 LCD – Screen & Backlight Settings

 Modified: 1.3.12 Application Software to include AG and CipherNet

 Modified: 2, 2.5 ~ 2.7

 Modified: 3.1 & 3.3

 Modified: 4.1.2 Screen Calibration

 Modified: 4.1.6 Load Program via Bluetooth

1.02 Apr. 04, 2006

 Update drawings

 Load Program via Bluetooth

1.00 Mar. 01, 2006 Initial release

CONTENTS

IMPORTANT NOTICES ...................................................................................................................... - 3 -

For USA .......................................................................................................................................... - 3 -

For Canada .................................................................................................................................... - 3 -

For Hand-held Product with RF Functions ................................................................................... - 3 -

For Product with Laser .................................................................................................................. - 4 -

Safety Precautions ........................................................................................................................ - 4 -

Care & Maintenance ..................................................................................................................... - 4 -

RELEASE NOTES.............................................................................................................................. - 5 -

INTRODUCTION .................................................................................................................................... 1

Getting Familiarized with 8500........................................................................................................ 2

Features............................................................................................................................................. 3

Inside the Package............................................................................................................................ 3

Accessories........................................................................................................................................ 4

Getting Started .................................................................................................................................. 5

Installing Hand Strap ................................................................................................................... 5

Installing Pistol Grip ..................................................................................................................... 6

Inserting Battery........................................................................................................................... 7

Initial Charging ............................................................................................................................. 8

Setting Local Time........................................................................................................................ 8

Power Management..................................................................................................................... 8

USING 8500 MOBILE COMPUTER....................................................................................................... 9

1.1 Battery ......................................................................................................................................... 9

1.1.1 Main Battery ....................................................................................................................... 9

1.1.2 Backup Battery.................................................................................................................10

1.1.3 Caution of Low Battery Charge........................................................................................10

1.2 Memory ..................................................................................................................................... 11

1.2.1 Read-only Memory (ROM)................................................................................................11

1.2.2 Random-access Memory (RAM) ......................................................................................11

1.2.3 Upgradeable Memory.......................................................................................................11

1.3 Keypad ......................................................................................................................................12

1.3.1 24-key Layout...................................................................................................................12

1.3.2 44-key Layout...................................................................................................................16

1.3.3 44-TE key Layout..............................................................................................................19

1.4 LCD ............................................................................................................................................23

1.4.1 Adjusting the Backlight ....................................................................................................23

1.4.2 Calibrating the Screen ..................................................................................................... 24

1.5 Notifications..............................................................................................................................25

1.5.1 Status LED ........................................................................................................................25

1.5.2 Audio ................................................................................................................................. 25

1.5.3 Vibrator .............................................................................................................................25

1.6 Data Capture.............................................................................................................................26

8500 Series Mobile Computer Reference Manual

1.6.1 Symbologies Supported...................................................................................................

26

1.6.2 RFID Tags Supported .......................................................................................................28

1.7 Charging & Communications ................................................................................................... 29

1.7.1 Cradle Options..................................................................................................................29

1.7.2 Understanding the LED Indicators ..................................................................................33

1.7.3 4-Slot Battery Charger .....................................................................................................34

LEARNING SOFTWARE ARCHITECTURE.............................................................................................35

2.1 Application Module...................................................................................................................37

2.1.1 FORGE Application Generator (AG) ................................................................................. 37

2.1.2 MIRROR Emulator (CipherNet) ........................................................................................38

2.1.3 User Program....................................................................................................................38

2.2 System Configuration & Core................................................................................................... 39

2.2.1 System Menu....................................................................................................................39

2.2.2 Kernel ...............................................................................................................................39

2.2.3 Program Manager ............................................................................................................39

SYSTEM MENU...................................................................................................................................41

3.1 Information................................................................................................................................42

3.1.1 Understanding Device Code ............................................................................................43

3.2 Settings .....................................................................................................................................44

3.2.1 Clock .................................................................................................................................44

3.2.2 Backlight Period ...............................................................................................................44

3.2.3 Auto Off .............................................................................................................................44

3.2.4 Power On Options.............................................................................................................45

3.2.5 Key Click ........................................................................................................................... 45

3.2.6 System Password .............................................................................................................45

3.2.7 Font ...................................................................................................................................45

3.2.8 Screen Calibration............................................................................................................45

3.2.9 Reset to Default ...............................................................................................................45

3.2.10 Reset Reader .................................................................................................................46

3.2.11 LCD Heater .....................................................................................................................46

3.3 Tests ..........................................................................................................................................47

3.3.1 Reader ..............................................................................................................................47

3.3.2 Buzzer ............................................................................................................................... 47

3.3.3 LCD & LED ........................................................................................................................47

3.3.4 Keyboard...........................................................................................................................47

3.3.5 Memory............................................................................................................................. 47

3.3.6 Touch Screen....................................................................................................................48

3.3.7 Vibrator .............................................................................................................................48

3.3.8 Echo Test ..........................................................................................................................48

3.3.9 RFID ..................................................................................................................................48

3.4 Memory ..................................................................................................................................... 49

3.4.1 Size information ...............................................................................................................49

3.4.2 Initialize.............................................................................................................................49

3.5 Power.........................................................................................................................................50

3.6 Load Program ...........................................................................................................................51

3.7 Bluetooth Menu ........................................................................................................................53

3.7.1 Information .......................................................................................................................54

3.7.2 Connect Setting................................................................................................................55

3.7.3 Security .............................................................................................................................56

8500 Series Mobile Computer Reference Manual

3.7.4 Echo Tests ........................................................................................................................

57

3.7.5 Pairing Test.......................................................................................................................60

3.7.6 Freq. Dev. List...................................................................................................................61

3.7.7 Network Setting................................................................................................................62

3.8 Serial PPP Menu .......................................................................................................................63

3.8.1 Information .......................................................................................................................63

3.8.2 Connection Set.................................................................................................................64

3.8.3 Echo Test ..........................................................................................................................65

3.9 IR Network Menu (Ethernet via IR) ..........................................................................................66

3.9.1 Information .......................................................................................................................66

3.9.2 Network Setting................................................................................................................67

3.9.3 Echo Tests ........................................................................................................................68

3.10 Wi-Fi Menu..............................................................................................................................69

3.10.1 Information.....................................................................................................................70

3.10.2 Network Setting .............................................................................................................71

3.10.3 WLAN Setting .................................................................................................................72

3.10.4 Security...........................................................................................................................74

3.10.5 Echo Tests ......................................................................................................................75

PROGRAM MANAGER & KERNEL ...................................................................................................... 79

4.1 Program Manager.....................................................................................................................79

4.1.1 Download..........................................................................................................................80

4.1.2 Activate .............................................................................................................................82

4.1.3 Upload...............................................................................................................................83

4.2 Kernel........................................................................................................................................84

4.2.1 Kernel Information ...........................................................................................................85

4.2.2 Load Program ...................................................................................................................86

4.2.3 Kernel Update ..................................................................................................................88

4.2.4 Test & Calibrate................................................................................................................88

4.2.5 Bluetooth Menu................................................................................................................88

SPECIFICATIONS ................................................................................................................................ 89

DOWNLOAD UTILITY........................................................................................................................... 91

File Types .........................................................................................................................................91

Font File ......................................................................................................................................91

C Programs .................................................................................................................................91

BASIC Programs .........................................................................................................................91

ProgLoad.exe ...................................................................................................................................92

TROUBLESHOOTING ..........................................................................................................................93

Cannot turn on when pressing Power key .....................................................................................93

Charging error..................................................................................................................................93

Buzzer seems not working..............................................................................................................93

LED indicator seems not working...................................................................................................93

LCD touch screen seems not working ........................................................................................... 93

Keypad seems not working ............................................................................................................93

Vibrator seems not working............................................................................................................94

Mobile computer seems not working.............................................................................................94

8500 Series Mobile Computer Reference Manual

Cannot scan barcodes ....................................................................................................................

94

Low battery condition.................................................................................................................94

Barcode or RFID reader problem ..............................................................................................94

Cannot decode data after scanning...............................................................................................94

Unreadable barcode ..................................................................................................................94

Un-programmed to read ............................................................................................................94

Dirty scan window ......................................................................................................................94

Out of scanning range................................................................................................................94

Cannot transmit/receive data ........................................................................................................ 95

Via IR port ...................................................................................................................................95

Using RS-232 cable via cradle .................................................................................................. 95

Via Bluetooth ..............................................................................................................................95

Via Wi-Fi ......................................................................................................................................95

Via Ethernet Cradle ....................................................................................................................95

Via Modem Cradle......................................................................................................................96

KEY REFERENCE TABLES ..................................................................................................................97

24-key Keypad.................................................................................................................................97

System Defaults .........................................................................................................................97

44-key Keypad.................................................................................................................................98

System Defaults .........................................................................................................................98

44-TE key Keypad............................................................................................................................99

System Defaults .........................................................................................................................99

1

Answering heavy industrial demands for robust, versatile and high performance

computers, the 8500 Series Mobile Computer is specifically designed for all-day,

everyday use as well as for data-intensive applications in harsh environments.

This line of product comes with built-in Bluetooth technology and allows for optional

modules for 802.11b/g, enabling all the time, anywhere applications and seamless real

time sharing of performance.

The 8500 Series Mobile Computer is bundled with powerful and rich features to ensure

success in timely processing of information, even in rigorous industrial environments, and

thus, makes an ideal choice for a wireless solution in either increasing business flexibility

or answering the demanding needs of heavy-duty mobile computers. Being

programmable, this handy device can run custom applications or terminal emulation

applications.

This manual serves to guide you through how to install, configure, and operate the

mobile computer. We recommend you to keep one copy of the manual at hand for quick

reference or maintenance purposes. To avoid any improper disposal or operation, please

read the manual thoroughly before use.

Thank you for choosing CipherLab products!

INTRODUCTION

2

8500 Series Mobile Computer Reference Manual

GETTING FAMILIARIZED WITH 8500

No. Description No.

Description

1 LCD touch screen 2 LED for Good Read and battery charging

3 Keypad, 24 or 44 keys 4 Communication/charging port

5 Stylus 6 Scanning window

7 Hand strap (to be screwed) 8 Pistol Grip, optional (to be screwed after

removal of this cover)

9 Battery Latch 10 Li-ion Battery, fit to compartment

Warning: Always make sure the hand strap is well hooked and screwed to the back

of the mobile computer before use.

Figure 1: Overview

3

Introduction

FEATURES

 Ergonomic design — ruggedized yet streamlined, with hand strap for secure hold

 Built tough to survive drop test and sealed against moisture/dust to IP 64

 Upgradeable memory — adds up to 10 MB (2 MB onboard + 8 MB) for data storage

 Dual mode support — one barcode scan engine plus the RFID reader

 Flexible wireless solutions — IR/IrDA and Bluetooth integrated, with connectivity

options for 802.11b/g

 Large graphic monochrome LCD touch screen supports double-byte characters and

bitmap graphics. The touch screen featuring signature capture can be activated with

its stylus or a finger, software programmable

 Programmable feedback includes buzzer, LED indicator, and vibrator

 Quick link to any backend database through MIRROR Emulator programs for

VT100/220 and IBM 5250 emulation

 Easy customization of data collection applications through FORGE Application

Generator (AG) programs for preloaded AG Runtime, batch and WLAN versions

available

 Programming support includes BASIC & C compilers

 Accessories include pistol grip, 4-Slot Battery Charger and a variety of

charging/communications cradle, etc.

INSIDE THE PACKAGE

The following items are included in the package. Save the box and packaging material for

future use in case you need to store or ship the mobile computer.

 8500 Series mobile computer

 Rechargeable Li-ion battery pack

 Stylus

 Hand strap

 Product CD

Note: For battery charging, you need to purchase a charging cradle separately.

4

8500 Series Mobile Computer Reference Manual

ACCESSORIES

Rich choices of optional accessories are available for you to enhance the total

performance of the mobile computer.

 Pistol Grip (detachable)

 Belt Holster

 Protective Cover

 Spare rechargeable Li-ion battery

 4-slot Battery Charger

 Charging & Communication Cradle

 Modem Cradle

 Ethernet Cradle (10/100 BASE-T)

 Vehicle Cradle

 Travel Charger

5

Introduction

GETTING STARTED

INSTALLING HAND STRAP

The hand strap is ideal for one-handed operation, which requires safe and convenient

hold of the mobile computer.

Warning: Always make sure the hand strap is well hooked and screwed to the back

of the mobile computer before use.

When the hand strap is desired, install it to the mobile computer by following these

steps:

1) Place the mobile computer face down on a flat and clean surface.

2) Screw one end of the hand strap to the back of the mobile computer.

3) Insert and hook the other end of the hand strap to the bottom of the mobile

computer.

4) Make sure the hand strap is securely attached to the mobile computer.

Figure 2: Installing the Hand Strap

6

8500 Series Mobile Computer Reference Manual

INSTALLING PISTOL GRIP

This contoured pistol grip enables intuitive trigger-and-scan operation, which is very

helpful in scan intensive applications. When the pistol grip is desired, install it to the

mobile computer by following these steps:

1) Place the mobile computer face down on a flat and clean surface.

2) Remove the shield-like cover on the back of the mobile computer by unscrewing.

If the hand strap is installed, remove it first. Keep the cover and screws for future use

when the pistol grip is not desired.

3) Connect the power connector from the pistol grip to the receptacle on the mobile

computer.

4) Screw the pistol grip to the shield-like cover.

5) Make sure all screws are tightened up.

6) Turn on the mobile computer and test the trigger.

Figure 3: Installing the Pistol Grip

7

Introduction

INSERTING BATTERY

For shipping and storage purposes, save the mobile computer and the main battery in

separate packages. This will keep both batteries in good condition for future use.

Note: Any improper handling may reduce the battery life.

1) Hold the mobile computer still as shown below.

2) Slide the battery pack into the battery compartment at a proper angle (30°~45°) so

that the metal contacts of the battery are met with the charging contacts inside the

compartment. Make sure that the battery is snugly fit into the compartment.

3) Slide the battery latch to lock the battery in the compartment.

Note: For a new battery, make sure it is fully charged before use. Always prepare a

spare battery pack, especially when you are on the road.

Figure 4: Installing the Main Battery

8

8500 Series Mobile Computer Reference Manual

INITIAL CHARGING

The main and backup batteries may not be charged to full for shipment. When you first

receive the package, you will need to charge batteries to full before using the mobile

computer. You may use a cradle or charger to charge the Mobile Computer or spare

batteries. Refer to

1.7 Charging & Communications.

Note: Battery charging stops when the temperature drops below 0°C or exceeds 40°C. It

is recommended to charge the battery at room temperature (18°C to 25°C) for

optimal performance. For initial charging, it takes approximately 4 hours to charge

the battery to full.

Because the internal backup battery is constantly charged from the main battery, the

initial charging requires inserting the battery pack to the mobile computer and then

seating the mobile computer in the cradle for charging. This will have both the main and

backup batteries charged at the same time. It takes at least 24 hours to fully charge the

backup battery. However, it is not necessary to fully charge the backup battery for the

mobile computer to work.

Note: In order to charge the backup battery to full, you must insert the main battery and

leave it for at least 24 hours, whether the mobile computer is in use or not.

SETTING LOCAL TIME

If you need to set your local time, go to System Menu | 2. Settings | 1. Clock. Refer

to

3.2.1 Clock.

POWER MANAGEMENT

For any portable device, power management is a critical issue especially when you are on

the road. Below are some tips to help you save battery power.

Warning: Using backlight, wireless connectivity, and peripherals while on battery

power will substantially reduce battery power.

 To speed up charging the mobile computer, turn off the mobile computer and seat it

in the cradle.

 Bring a second battery pack on the road.

 Stop wireless connectivity, Bluetooth or 802.11b/g that is not in use.

 Go to System Menu | 2. Settings | 2. Backlight Period, and configure backlight

period and luminosity. Refer to

3.2.2 Backlight Period.

 Go to System Menu | 2. Settings | 3. Auto Off, and configure the amount of idle

time that must pass before the system will shut down automatically. Refer to

3.2.3

Auto Off

.

9

This chapter explains the features and usage of the 8500 Series Mobile Computer. The

8500 family includes:

 8500 Bluetooth Class 2

 8570 Bluetooth Class 2 + 802.11b/g

IN THIS CHAPTER

1.1 Battery....................................................................... 9

1.2 Memory.................................................................... 11

1.3 Keypad..................................................................... 12

1.4 LCD ......................................................................... 23

1.5 Notifications.............................................................. 25

1.6 Data Capture ............................................................ 26

1.7 Charging & Communications........................................ 29

1.1 BATTERY

1.1.1 MAIN BATTERY

The mobile computer is powered by a rechargeable 3.7 V/4000 mAh Li-ion battery pack,

and it takes approx. four hours to charge it to full.

For power-saving purpose, always turn off the backlight while working in a well-lit area.

When the backlight is on for extended periods of time, the main battery will become low

sooner than expected.

The smart battery icon on the LCD screen shows the status of power consumption. There

are two ways to monitor a low battery charge or discharged battery from the screen.

 Examine the level of the 4-bar battery icon

 Monitor voltage level (see 3.5 Power)

Chapter 1

USING 8500 MOBILE COMPUTER

10

8500 Series Mobile Computer Reference Manual

1.1.2 BACKUP BATTERY

The backup battery on the main board takes charge when the main battery is removed or

drained out. When fully charged, the 3.0 V/7 mAh rechargeable Lithium button cell helps

retain data in SRAM and maintain the running of the real-time clock and calendar for at

least one week without the main battery. In the meantime, you have to replace the main

battery as soon as possible. It takes at least twenty-four hours to fully charge the backup

battery. However, it is not necessary to fully charge the backup battery for the mobile

computer to work.

 Monitor voltage level (see 3.5 Power)

1.1.3 CAUTION OF LOW BATTERY CHARGE

The battery pack is the only power source for the mobile computer to work. It also

charges the backup battery on the main board so that the data stored in SRAM can be

retained properly. Therefore, when the main battery charge goes low, you need to

replace the battery pack with a charged one or charge it as soon as possible. Most of all,

you should upload important data on a regular basis.

Warning: Data loss may occur with SRAM during low battery condition. Always save

data before running out of power or keep a fresh battery for replacement.

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