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1. 8 SET command in User mode to set general system configurations or enter Supervisor mode to set advanced system configurations The Supervisor mode is also protected with password checking to prevent unauthorized personnel from changing the system configuration For PT630D detail setup procedures p lease refer to PT630D Technical Binder lt is likely that your unit came pre configure by your software vender or system developer In this case please be caution when changing these settings 3 1 Ready Mode The terminal performs a Power On Test and Warm Start when it is switched on After the Warm Start the system enters Ready mode and shows the Ready mode prompt Ready mode prompt PT630D Vx xx MEM 4608 KB gt The first line indicates the model code and version number e g V1 00 The second line shows the size of the total installed RAM i e 4608 KB The third line prompts a gt which indicates that the terminal passed the Power on test and is ready to be used Unitech Part Number 400412 15 A un itech PT630D User Reference Guide unitech Electronic CO LTD 3 2 User Mode and System Commands There are eight system commands RUN TER COM DIR ERA TYP CPY and SET Each command can be invoked through menu selection in User mode User can press CMD key for two seconds in Ready mode to enter User mode User mode prompt Select the corresponding number 1 8 or press and gt to highlight2. length input method and delimiter etc without writing program and loading to the terminal 4 1 Specification of FormCaching DATA FIELD DEFINITION maximum field number 8 Category Range Description characters DATA LENGTH and maximum field length 3 DATA TYPE 1 NUMERIC numeric data 0 9 or 2 ALPHANUM alphanumeric data 20H FCH 4 DEVICE TYPE 1 KEY ONLY input by keyboard only 2 SCAN ONLY bar code scanning only or 3 BOTH both DATA RECORD DEFINITION Category _ Range Description 5 BETWEEN 1 Append screen specify to clear or append FIELD 2 Clear screen screen between two fields FIELD TI 2 assign field delimiter DELIMITER 3 Space 4 Tab DELIMITER 3 CRLF DATE 1 NONE specify format of Date 2 _YYYYMMDD stamp 3 MMDD 4 MMDDYYYY 5 DDMM 6 DDMMYYYY TIME STAMP 1 NONE 2 HHMM specify format of Time FIELD 3 HHMMSS stamp 10 FIELD specify time delay DELAY between each record input in second Unitech Part Number 400412 19 RA un itech PT630D User Reference Guide unitech Electronic CO LTD 4 2 How to Create a FormCaching FORMCACHING 1 YES 2 NO OTHER EXIT You will need to enter Supervisor mode and select 4 FORM category in order to set the configuration of FormCaching refer to the PT630D Programming Reference Manual for how to enter the Supervisor mode After selecting the 4 FORM in Supervisor mode the screen will show as above The system will first ask user to sp
3. 3 COM in User mode or calling system function in application program The hardware and software of terminal is designed that the unit can be woken up turned on by input from the serial port Besides the terminal can also be instructed to process data communication by remote ESC commands through built in MULTI communication protocol Please refer to PT630D Technical Binder for detail information After linking the terminal to a PC host through RS232 interface a communication program running on host first sends a few of dummy bytes to the terminal and delays for about 500 mini second to remotely wake up the unit Then the program can send out a data pack of a remote ESC command that matches the MULTI protocol to the terminal and instruct the terminal for certain process For instance the terminal will automatically execute the system routine to upload a file after receiving the valid File upload ESC command Meanwhile the program running on the host should follow the control flow of MULTI protocol and process to receive the data For detailed description of each ESC command and protocol please see the PT630D Programming Reference Manual Unitech Part Number 400412 18 RA un itech PT630D User Reference Guide unitech Electronic CO LTD Chapter 4 Built in Application FormCaching The system of terminal includes a built in application FormCaching It allows users to create a data entry application by specifying field prompt type
4. Figure 0 1 PT630D front view Figure 0 2 PT630D head view Figure 0 3 PT630D tail view Figure 0 4 PT630D side view Figure 0 6 PT630D charging communication cradle features 3 types RS232 modem and Ethernet communication Figure 0 5 PT630D back view Figure 0 7 Modem or Ethernet cradle back view Figure 0 8 RS232 Cradle Back view Unitech Part Number 400412 RA un itech PT630D User Reference Guide unitech Electronic CO LTD 4 Figure 0 9 PT630D communication charging cable unitech part number 600598 h es Head 3 6V 880mAH D I Tail Lion BATTERY i number 600538 Figure 0 10 PT630D Li lon Battery unitech part number 600538 Install Main Battery 1 Remove the battery door from the PT630D by moving the screw from battery cover 2 Insert the battery into the main battery chamber by putting the head 2 point sticking out into the locking position first 3 Reinstalled the battery door and tighten the screw on the battery door again Charging Before using PT630D main battery must be installed and fully charged The PT630D is equipped with 3 6V 880m A H Lithium lon battery Unitech part number 600538 It should take 2 to 3 hour to fully charge the main battery There are 2 ways to charge the main battery 1 Mount the unit on the cradle connect power adaptor from the back of the cradle to any power outlet During charging LED above power icon will be displayed red Once it is fully charg
5. YN MENU 15 3 2 User Mode and System Commande 16 3 3 Configure the Terminal in SET commande 17 3 4 Upload Download by ESC Commande 18 Chapter 4 Built in Application FormCaching sssssssssssssssssrrsssrsssrresrnssrnsstnsinstnsrnnntrnssrnsnnnnnnnnnnnnnnanna 19 4 1 Specification of FormCaching ssssssssesssesssssssissrresrissrissrinstinstnnstnnntnnntnnntnnnnnnnntnnntnnntnnntnnnnt 19 4 2 HowtoCreateakomtachimng nenn nnt 20 4 3 How to Run FormCachimg aadis iva aiai kaa Niak 20 4 4 Default Setting of FormCaching Ynn LL YLL ELLA LLLL HYLL ALL LLA LLLL HYLL LH LEL RF L LLY nn n nn nno 20 Unitech Part Number 400412 3 A un itech PT630D User Reference Guide unitech Electronic CO LTD Chapter 1 Introduction 1 1 Overview Thank you for choosing product from unitech Electronic Co Ltd PT630D Portable Data Collection Terminal is one of the most versatile handheld computers in the market It is DOS compatible capable of running programs developed under C language PT630D has many pre built in functions and it is also self programmable In addition it has a bundle Windows application capable to develop many applications specifically for your business PT630D is light weights only 230 grams has a large liguid crystal display 128 pixel X 64 pixel capable of displaying 16 8 or 8 4 characters rugged and water proof It is also capable of withstand 1 2 meter multiple drops to the concrete floor With all these attributes we believe PT6
6. block and the keyboard is mainly used to input numeric data and use F1 F4 four function keys COMMAND mode Press CMD key to set the keyboard to command mode In command mode the cursor sign is still same and the keyboard is mainly used to input special characters make hot key function and use F5 F8 four function keys ALPHA mode Press ALPHA key to toggle between normal mode keyboard and alpha mode keyboard In alpha mode the cursor is an underscore sign and the keyboard is available to input upper case letters In alpha mode every numeric key contains 3 characters individually You need to press the key once to get the first character twice to get the second character and 3 times to get the third character The characters cycles back to the first character again For example First press ALPHA to switch the system to alpha mode the cursor type will be changed from block to underscore To enter A press the key A once To get B press the same key twice To get C press the same key 3 times 1 8 Triggering Scanner Module PT630D can be used with a built in integrated laser scanner module to input data The built in decoder reads most barcode labels Users should keep laser window clean to prevent low reading rate of distorted bar code input signal 1 9 Application Development Environment The system of PT630D provides DOS functions and device drivers for application development including bar code decodin
7. to LCD COM fie2 input data from serial port and store in file2 CON file2 input data from keyboard and store in file2 press CMD and then ALPHA key to end the data input SET This command allows users to set lt SYSTEM SETUP gt system date and time assign laser LDATE amp TIME 2 SCANNER feature and enable to display power on logo see next section 3 DISPLA Y 4 KEYPAD 5 EXIT 3 3 Configure the Terminal in SET command There are three categories of general system configuration available in lt SYSTEM SETUP gt SET command Select the corresponded number 1 3 to set system 1 DATE amp TIME date time assign scanning feature and enable power on Logo display Hit A SCC CMD then ALPHA keys to return to User mode prompt 4 KEYPAD 5 EXIT 3 3 1 DATE amp TIME Setting system clock amp calendar When selects 1 DATE amp TIME in SET command menu the screen as right will be shown on the terminal LCD and let you set the system date and time of Real Time Clock chip RTC The system date and time can be retrieved in application and used as time stamp for data collection DATE TIME SETUP 1998 01 01 08 00 00 The second line shows the current date in the format YYYY MM DD year month day If you want to reset the system date to January 1 1997 then enter 1 9 9 7 0 1 0 1 Or press ENT Key to skip the system date setting The third line shows the current time The way to set system time is si
8. 2032 3V 190mAH Lithium backup battery battery Environmental IP54 Sealing Operating 5C 50 C Temperature Storage 20C 70 C Temperature Humidity 5 to 95 RH not condensed Electrostatic Discharge ESD 4 KV for contact discharge 8 KV for air discharge Back Lit Display Yes Keypads 26 alphanumeric keys one scan trigger phosphorescent material Performance Characteristics CPU NEC V25 16 bit 80XX compatible Operating System DOS compatible Memory 512KB 2 5MB 4 5MB Flash ROM 256KB Application Development C language Turbo C Visual C JobGen plus a window based program generator FormCaching a built in program generator Communication RS232 Modem Ethernet serial communication Operating Time Over 12 hours at 3 bar code scan per sec Symbologies UPC EAN Code 39 Interleave 2 of 5 CODABAR MSI Code 128 Code 93 Code 32 China Postal Code Buzzer Yes over 70 dB One LED Dual color Green for good Red for bad Unitech Part Number 400412 unitech Electronic CO LTD A un itech PT630D User Reference Guide unitech Electronic CO LTD 1 5 Quick Start This section is designed to let you quickly get familiar with PT630D If you need detail explanation on some of the functions please refer to further chapters for detail explanation PT 630 Illustrations o Ki D 9 o o
9. 30D is going to satisfy your needs totally Depending on the model you had purchased your terminal might be eguipped with 3 different memory RAM configuration range from 512K 2 5MB and 4 5MB PT630D also has offer 3 different optional communication charging cradles These are RS232 RS485 daisy chain data transmission cradle and telephone modem cradles 1 2 Support Over here at unitech making you satisfy is our first priority If at anytime you find any problem regarding to this terminal or any our other product please feel free to contact us at www ute com tw Asia www ute com America www unitech europe nl Europe 1 3 Customized PT630D It is highly likely when you receive this terminal it has already been customized by the system integrator or the system developer to meet your specific application If this is the case many operating procedures mentioned in this manual may not apply Please consult your system provider for more information regarding to the customization Unitech Part Number 400412 4 Wwunitech PT630D User Reference Guide 1 4 Technical Specification Physical Characteristics Dimensions 165mm x 60mm x 35mm Weight 230g Drop Specification 1 2M multiple free drop to concrete floor Display 128 x 64 pixel 8 lines 16 characters per line small font or 4 lines 12 characters large font Battery include main and backup One 3 6V 880mAH Li ion battery One Cr
10. RA un itech PT630D User Reference Guide unitech Electronic CO LTD Unitech PT630D User Reference Guide Version 1 1 Unitech Part Number 400412 1 A un itech PT630D User Reference Guide unitech Electronic CO LTD NOTICE This unit is equipped with a Li ion battery pack Battery power might be low due to storage Recharge the battery when required For procedures on how to charge the battery please refer to 1 5 Quick Start Unitech Part Number 400412 2 A un itech PT630D User Reference Guide unitech Electronic CO LTD NO UL 2m SYR FRY FERFAU ai a a aR eA DEE et A EAER aa Aaaa AEREE 2 EN e 1 au Elai go ele Le 4 a Ea EON L gt Yo EE 4 T2 SUP na EE 4 1 3 C st mized A RETTEN 4 1 4 Technical Specification A 5 Te QUICK Stat EE 6 1 6 Interface POMS rris FFONT HA ENNYN FFF NE ROY ONY EFE DDN 8 1 7 Using the Keyboard Eed deeg Dee eEeE See deet 8 1 8 Triggering Scanner Module 9 1 9 Application Development Environment 9 Chapter 2 Power System EE 12 2 1 Power System EE 12 2 2 Power Low Indieaton nania RAAR ARENAER ERES RNE RAN AASR AR AREA ARKATRA EREEREER 12 2 3 Battery ReplacemieNt AAA 13 2 4 Recharging the Battery Pack 0 ccccecscceceeeeeeeeeeeeeeeceeeeecaeeeseaeeseeeeesaaeessaaeseeeeeseeeesaeeeseneeee 13 2 5 Storage and Safety Precautions ccccceceeceseeceeeeeceeeeeeeaeeeeeeeseeeeeceaaeseeaeeseeeeeseaeeesaeeeeneeee 14 Chapter 3 6 o o EE 15 B21 Ready MOG FEE FED AUTO YN FAE FF HF a HEFY DF HR FN A NF HYNNA
11. a command 1 RUN 2 TER then hit ENT to select a system command Pressing the EXIT key hit CMD then GN COM 4 DIR ALPHA returns to Ready mode 5 ERA 6 TYP 7 CPY 8 SET RUN When invokes the RUN command you may press the gt key to toggle the loaded program and hit ENT to run the program The program may also be executed on the terminal by entering the program name directly in Ready mode TER This command puts the terminal in either terminal emulation mode or FormCaching application mode depending on which function you select Please see chapter 4 for detail on how to configure and use FormCaching In terminal emulation mode the terminal serves as a dumb terminal to transmit data to or receive data from a Host computer In this mode data input from bar code reader or keyboard is displayed on screen and output to RS 232 port Data received from the serial port is displayed on the LCD screen Communication parameters such as baud rate data bits parity stop bits and flow control must be set to be compatible with the destination in order to send data properly COM This command puts the terminal in Kermit server mode The following indicates the available Kermit commands at the Host PC side Command Description Send filename Send a file from the Host PC to terminal and store it in the terminal s RAM disk Get filename Get a file from the terminal to the Host PC disk Remote dir List files of the termina
12. ceSoooo oe o Modem Ethernet Communication 1 6 Interface Ports PT630D does its communication via RS232 communication port located in the back of the unit You can connect the unit via the communication cable to PC RS232 jack for data transfer or connect through cradle for communication 1 7 Using the Keyboard The keypad of PT630D consists of 27 rubber keys the keyboard is configured into three different modes numeric mode command mode and alphabetic mode All keys except key make sound tone when pressed Keys of upper four rows have larger size for easier key pressing to input numbers O To turn on the unit you need to press key To turn off the unit you will need to press and to hold key for one second CMD Press CMD key and the desire command key located at the end of the keypad to set the keyboard to output command functions ESC In Command or Supervisor mode press ESC key to get back to the pervious menu Unitech Part Number 400412 8 RA un itech PT630D User Reference Guide unitech Electronic CO LTD Laser trigger Press Command the o e Za m desire command key a ww umeric P Alpha P Alpha o 55 o Command ress Alpha ress Alpha e e e G R Alphabetic mode D een E OO Se Press Command the WYS o Alpha desire command key Figure 0 11 PT630D Keypad layout Numeric mode PT630D keyboard is initialized to normal mode after powered on In normal mode the cursor is a
13. e the actual operation may vary it is possible to result a shorter operating hours Backup Power An onboard 3V 190mAH Lithium battery CR2032 is used as the secondary power source to back up the data the RTC real time clock chip and RAM memory to prevent data loss free environment Normally PT630D gets power from main power source to back up RTC and RAM also puts the Lithium battery in standby state When the main power source is removed or below the level to back up the RAM and RTC properly the power circuit of PT630D automatically switches to the Lithium battery for back up It is recommended that the main battery can be always placed inside the unit with enough capacity for back up purpose in which case the Lithium battery can supply the power for up to 3 years before consuming all its capacity up It is important to know that once the power in the backup battery used up all data within the terminal will be lost So it is very important to backup all data when replacing backup battery 2 2 Power Low Indication Main Battery When the main power source reaches the battery low condition a warning message as right icon will be shown on the LCD when PT630D is powered on or a battery low icon sign will emerge on the right side of the LCD VOLTAGE LOW When the main battery low occurs the main battery can continue to supply power for about 20 40 minutes per scan 5 second however the unit may reach the system power cutoff point and aut
14. ecify four categories of the field specification including field prompt data length data type and device type of each data field After completion to define all data fields the user should hit CMD then ALPHA keys to end the setup of field specification This step also determines the number of fields in each record and you may continue to set the rest six categories of record specification including between field field delimiter record delimiter date stamp field time stamp field and field delay When the FormCaching application is executed a data file named FORM DAT will be created to store data The system will not allow the user to redefine FormCaching if the FORM DAT is existed It is necessary to delete the FORM DAT in order to change the configuration of FormCaching 4 3 How to Run FormCaching When FormCaching is enabled the built in application can be run by selecting 2 TER command in User mode and then select 2 FORMCACHING The FormCaching application will follow the setting as defined to display prompting get input and store data in the file named FORM DAT Hit CMD then ALPHA keys to end FormCaching and return to system Ready mode User may use key to browse a previous data record gt key to step to next record press C key to clear the record and then input new value of every field of this record After collecting data the FORM DAT file can be uploaded to host either by invoking Kermit server in User m
15. ed LED will be turned to green 2 Or use the standard charging cable which is packed with one of unitech PT630D packages or you can order them separately together with the power adaptor Connect the power plug of the adaptor to the charging cable then connect the charging cable to the main unit Plug the power adaptor to power outlet the unit should be in charging The charging is completed when LED light is shown on green Cradle Main battery can be charged through attaching to the PT630D charging communication cradle part number PT063D 1 3 or a quick charging communication cable part number 600598 Cradle LED Icons JOIOI The icon indicates communication When PT630D is transmitting data with the host computer LED will flash showing that the data is transmitting Unitech Part Number 400412 7 RA un itech PT630D User Reference Guide unitech Electronic CO LTD fd The icon indicates the charging of the main unit When the main battery is in charge on the cradle LED will be shown red when fully charged the light will turn to green This LED light shows the power status of the cradle itself When the light is on it is indicated the cradle is powered on Power On After charging completely LED is turned to green and then you are now ready to turn on the unit Press on the keypad to turn on the PT630D Communication with the Host RS232 Connection through cable o o 2 amp gt aaeoa co
16. g keypad input display output serial input output communication real time clock access and power management control PT630D can be programmed by the high level Windows based JobGen Plus program generation software or programmed by commonly used C compilers including Microsoft C Borland C and Turbo C An executable program generated by JobGen Plus or created by a compiler is downloaded to the unit and run on the unit Unitech Part Number 400412 9 Munitech Unitech Part Number 400412 PT630D User Reference Guide unitech Electronic CO LTD RA un itech PT630D User Reference Guide unitech Electronic CO LTD JobGen Plus JobGen Plus is a Windows based program generator that gives the user an ease of use and comprehensive terminal application development environment Through use of JobGen Plus user can design an application program for data collection terminal by simply drawing the data collection sequence on paper and thus requires minimum programming skills For more detailed programming information please refer to PT630D Programming Reference Manual JobGen Pro User s Manual Unitech Part Number 400412 11 RA un itech PT630D User Reference Guide unitech Electronic CO LTD Chapter 2 Power System 2 1 Power System Main Power The terminal is operated by a rechargeable 3 6V 880mAH rated Li lon battery pack The main battery should be sufficient for daily operation up to 12 hours Base on 5 scan per second However sinc
17. iding overcharging for long period of time or always using PTO63D to charge the batteries of terminal The PTO63D starts the charging process in quick charging rate and switches to trickle charging rate when it detects the battery is fully charged 2 5 Storage and Safety Precautions Batteries should be stored in an open environment condition and placed where there is no risk of accidental shorting or other damage Although charged Li lon batteries may be left unused for several months their capacity may be reduced due to back up and internal resistance If this happens they will require recharging prior to use Li lon batteries may be stored at temperatures between 4 F and 158 F 20 C to 70 C Unitech Part Number 400412 14 Munitech PT630D User Reference Guide unitech Electronic CO LTD Chapter 3 Operation PT630D is set up several operating modes The system of terminal may operate in various modes for different purposes The figure below shows the operating flow of the terminal The following diagram summarized these operating modes to switch between different modes enter program name then press APPLICATION mode press and hold down Cu and keys then press lt lt START MENU gt ME sg press 1 SUPERVISOR 2 WARM START 3 COLD START press C for two seconds press SUPERVISOR mode RUN command USER mode System configurations are categorized in two groups users can select
18. l RAM disk Remote Del filename l Delete a data file stored in the terminal RAM disk Make sure to set the terminal communication parameters to match the host PC system before proceeding data communication Hit ESC Ready mode DIR This command shows the files in the RAM disk with the following information The list of file names stored in the RAM DISK The size of program execution area The amount of free RAM DISK space left ERA This command deletes a file from RAM disk of terminal After the file has ERASE FILE gt been deleted it can not be recovered SCAN EXE TYP This command dumps the content of a file on the terminal s LCD The lt TYPE FILE gt content of the file will be displayed 128 16 character x 8 line characters at a time Press any key to show the next page or hit CMD then ALPHA SCAN DAT Unitech Part Number 400412 16 RA un itech PT630D User Reference Guide unitech Electronic CO LTD keys to return to User mode prompt If you try to display a program or binary file you may only see unintelligible characters CPY This command allows users to make copy of data from a source device to a destination device The source device may be a file COM serial input CON keyboard and the destination device may be a file COM serial output CON LCD display Source Dest Function file1 file2 copy file1 to file2 filet COM output content of file1 to serial port filet CON output content of file1
19. low message the battery needs to be recharged Plug in the power adaptor into a power outlet and connect the other end to the power outlet of PTO63D mount the terminal into the cradle LED light on the cradle will be in red meaning charging has begun When the battery is fully charged LED light will be in green This should take 2 to 3 hours ei e a K A w E Fd pn w e Q o DR KKK a Power Outlet Power Adaptor Charging Consideration It is important to consider the surrounding temperature whenever you are charging the Li lon battery pack The process is the most efficient in the normal room temperature or slightly cooler It is essential for you to charge battery within the stated range of 32 F to 113 F 0 C to 45 C Charging battery outside of the specified range could damage batteries and shorten its life cycle Effects of Overcharging Batteries Unitech Part Number 400412 13 RA un itech PT630D User Reference Guide unitech Electronic CO LTD Overcharging may occur when a Li lon rechargeable battery is charged in regular or quick charging rate after it has been fully charged but there is no risk of overcharging while charged in trickle charging rate A battery left to charge for several weeks may appear to have minimal capacity This type of failure can be remedied by temporarily depleting the battery of its power and recharging it to rejuvenate it This condition can be prevented by avo
20. milar to set system date described above The format of system time is expressed in 24 hour of HH MM SS hour minute second 3 3 2 SCANNER The system software of terminal decodes all major bar code symboloies including Code 39 Code 128 Codabar Code 93 125 EAN UPC China Post code etc Use the gt key to toggle among selection in each category then press ENT to confirm SCANNER Enable disable bar code decoding PEN SCAN KEY When pen scanner is used on PT630D user can setup whether pressing trigger key to enable pen scanner If ENABLE is selected user must press and hold down trigger to scan barcode label If DISABLE is selected user can directly scan barcode label without pressing trigger key Enable Disable Optional Unitech Part Number 400412 17 RA un itech PT630D User Reference Guide unitech Electronic CO LTD LASER AIM Enable disable laser beam point target on a distance barcode for long range PT630DLR only optional VERIFICATION Enable disable double check scanned barcode 3 3 3 DISPLAY Enable disable power on logo display ENABLE Show system logo when power on DISABLE Do not show system logo when power on KEYPAD Allow user to set UPPER LOWER case of character EXIT Leave the SET setting environment 3 4 Upload Download by ESC Command The way to upload download by Kermit server described in section 3 2 will need the operator to set the terminal to Kermit server mode by selecting user command
21. ode described in section 3 2 or remote ESC command described in 3 4 4 4 Default Setting of FormCaching In default the FormCaching is initialized with settings as shown in the table below DATA FIELD SPECIFICATION field number 2 Field 1 FIELD PROMPT ITEM DATA LENGTH 32 4 ALPHANUM BOTH QTY NUMERIC KEY ONLY Category setting Unitech Part Number 400412 20
22. omatically turn it off Meanwhile the unit continues to back up the data contents in RTC and RAM but it cannot be powered up until the batteries have been recharged or replaced I WARNING MAIN BATTERY Lithium Backup Battery When the Lithium backup battery doesn t have enough capacity to back up the WARNING system the message as right icon will be shown on LCD when the unit is powered rva BATTERY on In this situation you should upload your data from the terminal immediately and replace a new Lithium battery Unitech Part Number 400412 12 RA un itech PT630D User Reference Guide unitech Electronic CO LTD 2 3 Battery Replacement Main Battery Make sure the unit is turned off Turn over the unit unscrew the battery door lock screw by turning the screw left for quarter turn Slide the main battery pack from battery compartment Insert the new main battery into the socket Remove battery pack Remove the main battery as previously described Important Once the backup battery is removed from the unit all data within the unit will be lost please backup all files before you remove the backup battery Insert a new battery into the holder Put the backup battery cap back on Re installed the main battery cold star the new unit Make sure to back up your data in terminal before making the replacement the lithium back up battery 2 4 Recharging the Battery Pack When the terminal shows Main battery
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