Page 1
MD2 Series Barcode Scanner User Manual Version: MD2_UM_EN_V3.2.11...
Page 2
Warning: Ensure that the optional DC adapter works at +5V, especially for the RS-232 interface cable. NOTICE: 1. All software, including firmware, furnished to the user is on a licensed basis. 2. The right is reserved to make changes to any software or product to improve reliability, function, or design.
Contents Technical specifications ............................1 Cable connector pin-outs descriptions ....................... 2 Default setting for each barcode.......................... 3 Default setting for each barcode.......................... 3 Decode zone................................4 Dimensions ................................5 Parts of the scanner .............................. 6 Introduction to installation ............................. 7 Scanning modes ..............................
Cable connector pin-outs descriptions Cable connector interface pin-outs The pin-outs descriptions in Table 1 apply to the cable connector on the scanner and are for reference only. Table 1-2 Cable connector pin-outs descriptions RS232 Keyboard (PS2) Power (+5V) Power (+5V) Power (+5V) +3.3V ( for interface auto Ground (for interface auto...
Parts of the scanner Figure 1 ① LED ② Exit window ③ Trigger ④ Cable interface port ⑤ Release-hole of the cable ⑥ Beeper Figure 2 Remove the interface cable: Find the release-hole. Insert a thin wire into the hole and pull out the cable gently.
Introduction to installation Note: If any of the below operation is incorrect, turn off the power immediately and check the scanner for any improper connections. Go through all steps again. Installation - keyboard wedge 1. Switch off the host and unplug the keyboard connector. 2.
Page 12
Installation - USB The scanner attaches directly to a USB host, and is powered by it. No additional power supply is required. Refer to Figure 5, connect the USB interface cable to the bottom of the scanner. Plug the series A connector in the USB host, or an available port of the terminal. Windows will automatically detect the USB device.
Scanning modes The scanner has two scanning modes: hand-held and auto-detection. When the scanner is scanning, ensure the scan line crosses every bar and space of the symbol. RIGHT WRONG Figure 6 The auto-detection scanning mode has two operating modes: in-stand and always ON. The following is an introduction to in-stand auto-detection mode.
Programming instruction Refer to the next page, the steps of programming are: 1. Scan the SETUP bar code on the parameter setting part. 2. Enter the option mode by scanning the Option bar code. 3. To the right of the option barcode, the necessary alphanumeric inputs are listed. Scan these alphanumeric entries.
Operate the scanner by receiving command via UART Note: 1- The information in this chapter is provided for the scanner with RS232 cable or USB cable. 2- If the scanner is with USB cable, the setting of USB device type must be set as “USB virtual COM”. Please refer to chapter of “USB interface”.
Interface selection This scanner supports interfaces such as keyboard wedge, RS-232 serial wedge, and USB interface. In most of the cases, simply selecting an appropriate cable provided by the manufacturer will work for a specific interface. Interface selection: Auto detection-By setting this function, the scanner will automatically detect the keyboard wedge, RS-232 or USB interface for user.
Keyboard wedge interface Keyboard type: As a keyboard interface, the scanner supports most of the popular PCs and IBM terminals. Keyboard layout: The scanner supports different national keyboard layouts. Clock period: According to the PS2 protocol, the clock is provided by the device, e.g. keyboard or scanner, with the period between 60us to 100us.
Page 18
SETUP Option bar code Option Alpha. entry Keyboard type IBM AT, PS/2 Apple Mac compatibles Turkish F Turkish Q French Italian Keyboard layout Spanish Slovak Denmark Japanese German Belgian Russian 60us 70us Clock period 80us 90us 100us 200us 10ms Delay-after-compound-key 20ms 40ms 80ms...
Page 19
SETUP Option bar code Option Alpha. entry Enable...
RS-232 interface Flow control: None-The communication only uses TxD and RxD signals without any hardware or software handshaking protocol. RTS/CTS-If the scanner wants to send the barcode data to host computer, it will issue the RTS signal first, wait for the CTS signal from the host computer, and then perform the normal data communication. If there is no replied CTS signal from the host computer after the timeout duration, the scanner will issue an error indication.
USB interface USB device type: HID keyboard– By setting, the scanner is used as a USB HID keyboard emulation device. keyboard layout setting follows the setting of keyboard layout in the chapter of Keyboard wedge. USB virtual COM– By setting, the scanner emulate a regular RS232-based COM port. If a Microsoft Windows PC is connected to the scanner, a driver is required to install on the connected PC.
Page 23
SETUP Alpha. Option bar code Option entry HID keyboard USB device type HID keyboard for Apple Mac USB virtual COM Simple COM Port Emulation Turkish F Turkish Q French Italian Keyboard layout Spanish Slovak Denmark Japanese German Belgian Russian Inter-character delay 10ms 20ms 40ms...
Hand-held scan & some global settings Scanning mode: Good-read off-The trigger button must be pressed once to activate scanning. The light source of scanner stops scanning when there is a successful reading or no code is decoded after the Stand-by duration elapsed.
Page 25
i.e. in ASCII from 20H to 7EH. Alphanumeric character only- If this option is selected, the scanner will output the alphanumeric characters only, i.e. “A”-“Z”, “a”-“z”, “0”-“9”. Decoder optimization: If it is enabled, the scanner will optimize the decoder with error correction. This function is not effective for all types of barcodes.
Page 26
SETUP Option bar code Option Alpha. entry Good-read off Momentary Scanning mode Alternate continue Continue Timeout off Standby duration 01-99 (second) 01-99 Same barcode delay time 00-FF (50ms) 00-FF Double confirm 00-09 00-09 (00: no ) Global max. code length 04-99 04-99 Global min.
Indication Power on alert: After power-on the scanner will generate an alert signal to indicate a successful self-test. LED indication: After each successful reading, the LED above the scanner will light up to indicate a good barcode reading. Beeper indication: After each successful reading, the scanner will beep to indicate a good barcode reading, and its beep tone duration is adjustable.
Auto-detection scan Auto-detect sensor: By setting Enable, the scanner will start operating if any nearby object has been detected. The laser light of scanner stops scanning when there is a successful reading or no code is decoded after the Stand-by duration elapsed. Once the laser light stops scanning, the present object must be removed to enable Auto-detect sensor.
UPC-A Read: Format System character Data digits (10 digits) Check digit Check digit verification: The check digit verification is optional. Check digit trans.: By setting Enable, check digit will be transmitted. Code ID setting: Code ID is a one-or-two-character string used to represent the symbol upon a succeeding reading.
Page 30
SETUP Option bar code Option Alpha. entry Read Disable Enable Check digit verification Disable Enable Check digit trans. Disable Enable Code ID setting 00-FF 00-FF (ASCII) <A>* Insert group selection 00-66 00-66 None Supplement digits 2 digits 5 digits 2 or 5 digits None Truncate leading zeros Truncation/Expansion...
UPC-E Read: Format System character “0” Data digits (6 digits) Check digits Check digit verification: The check digit verification is optional and made as the sum of the numerical value of the data digits. Check digit trans.: By setting Enable, check digit will be transmitted. Code ID setting: Refer to Code ID setting of UPC-A.
Page 32
SETUP Option bar code Option Alpha. entry Read Disable Enable Check digit verification Disable Enable Check digit trans. Disable Enable Code ID setting 00-FF 00-FF (ASCII) <D>* Insert group selection 00-66 00-66 None Supplement digits 2 digits 5 digits 2 or 5 digits None Truncation/Expansion Truncate leading zeros...
UPC-E1 Read: Format System character “1” Data digits (6 digits) Check digits Check digit verification: The check digit is optional and made as the sum of the numerical value of the data digits. Check digit trans.: By setting Enable, check digit will be transmitted. Code ID setting: Refer to Code ID setting of UPC-A.
EAN-13 (ISBN/ISSN) Read: Format Data digits (12 digits) Check digit Check digit verification: The check digit is optional and made as the sum of the numerical value of the data digits. Check digit transmission: By setting Enable, check digit will be transmitted. EAN-13 code ID setting: Refer to Code ID setting of UPC-A.
EAN-8 Read: Format Data digits (7 digits) Check digit Check digit verification: The check digit is optional and made as the sum of the numerical value of the data digits. Check digit trans.: By setting Enable, check digit will be transmitted. Code ID setting: Refer to Code ID setting of UPC-A.
Code 39 (Code 32, Trioptic Code 39) Read: Format ⋆ Data digits (variable) Check digit (optional) ⋆ Check digit verification: The check digit is optional and made as the sum module 43 of the numerical value of the data digits. Check digit transmission: By setting Enable, check digit will be transmitted.
Interleaved 2 of 5 Read: Format Data digits (Variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 10 of the numerical values of all data digits. There are two optional check digit algorithms: the specified Uniform Symbol Specification (USS) and the Optical Product Code Council (OPCC).
Industrial 2 of 5 Read: Format Data digits (variable) Max./Min. code length: Refer to Max./Min. code length of Code 39. Code ID setting: Refer to Code ID setting of UPC-A. Insertion group selection: Refer to Insertion group selection of UPC-A. SETUP Option bar code Option...
Matrix 2 of 5 Read: Format Data digits (variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 10 of the numerical values of all data digits. Check digit transmission: By setting Enable, check digit will be transmitted. Max./Min.
Codabar Read: Format Start Data digits (variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 16 of the numerical values of all data digits. Check digit transmission: By setting Enable, check digit will be transmitted. Max./Min.
Code 128 Read: Format Data digits (variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 103 of all data digits. Check digit transmission: By setting Enable, check digit will be transmitted. Max./Min. code length: Refer to Max./Min. code length of Code 39. Code ID setting: Refer to Code ID setting of UPC-A.
UCC/EAN 128 Read: Format Data digits (variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 103 of all data digits. Check digit transmission: By setting Enable, check digit will be transmitted. Max. /Min. code length: Refer to Max./Min. code length of Code 39. Code ID setting: Refer to Code ID setting of UPC-A.
ISBT 128 Read: Format “=” or “&” Data digits (variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 103 of all data digits. Check digit transmission: By setting Enable, check digit will be transmitted. Max./Min.
Code 93 Read: Format Data digits (variable) 2 check digits (optional) Check digit verification: The check digit is made as the sum module 47 of the numerical values of all data digits. Check digit transmission: By setting Enable, check digit will be transmitted. Max./Min.
Code 11 Read: Format Data digits (variable) Check digit 1 (optional ) Check digit 2 (optional) Check digit verification: The check digit is presented as the sum module 11 of all data digits. Check digit transmission: By setting Enable, check digit 1 and check digit 2 will be transmitted upon your selected check digit verification method.
MSI/Plessey Read: Format Data digits (variable) Check digit 1 (optional) Check digit 2 (optional) Check digit verification: The MSI/Plessey has one or two optional check digits. There are three methods of verifying check digits, i.e. Mod10, Mod10/10 and Mod 11/10. The check digit 1 and check digit 2 will be calculated as the sum module 10 or 11 of the data digits.
UK/Plessey Read: Format Data digits (variable) 2 check digits (optional) Check digit verification: The UK/Plessey has one or two optional check digits. The check digit 1 and check digit 2 will be calculated as the sum module 10 or 11 of the data digits. Check digit transmission: By setting Enable, check digit will be transmitted.
China Post Read: Format 11 Data digits Max. /Min. code length: Refer to Max./Min. code length of Code 39. The code length of China Post is Code ID setting: Refer to Code ID setting of UPC-A. Insertion group selection: Refer to Insertion group selection of UPC-A. SETUP Option bar code Option...
GS1 DataBar (GS1 DataBar Truncated) GS1 DataBar Truncated is structured and encoded the same as the standard GS1 DataBar format, except its height is reduced to a 13 modules minimum; while GS1 DataBar should have a height greater than or equal to 33 modules. Read: Format 16 Data digits...
GS1 DataBar Limited Read: Format 16 Data digits Code ID setting: Refer to Code ID setting of UPC-A. Insertion group selection: Refer to Insertion group selection of UPC-A. Conversion: Refer to Conversion of GS1 DataBar (GS1 DataBar Truncated). SETUP Option bar code Option Alpha.
GS1 DataBar Expanded Read: Format Data characters (variable) Code ID setting: Refer to Code ID setting of UPC-A. Insertion group selection: Refer to Insertion group selection of UPC-A. Conversion: UCC/EAN 128- Refer to Code ID transmission of String transmission, ]Cm will be identified as AIM ID. SETUP Option bar code Option...
China Finance Note: This type of barcode is not Omni-directionally decodable. The encodable character set includes numeric 0 to 9. Among the symbol of 0 to 9, 0 and 2, 4 and 9, 5 and 8, 6 and 7, have the symmetrical pattern;...
Page 56
SETUP Option bar code Option Alpha. entry Read Disable Enable Max. code length 00-99 00-99 Min. code length 00-99 00-99 Check digit verification Disable Reserved Disable Enable Leading character 5/6/7/8/9 Only 5 converted to A converted to A/B/C/D/E Only 6 converted to B Only 7 converted to C Only 8 converted to D Only 9 converted to E...
G1-G6 & C1-C2 & FN1 substitution string setting Format of barcode data transmission Prefix Code name Preamble Code ID Code length Code data Code ID Postamble Suffix Suffix string setting: The <enter > key is represented in different ASCII when it is applied by different OS. For a Windows/DOS OS, <enter>...
Page 58
FN1 substitution string setting: The FN1 character (0x1D) in an UCC/EAN128 barcode, or a Code 128 barcode, or a GS1 DataBar barcode can be substituted with a defined string. Truncate leading G5 string setting: By setting, a defined leading character or string can be truncated. Also a single character can be un-defined.
G1-G4 string position & Code ID position Format of barcode data transmission Prefix Code name Preamble Code ID Code length Code data Code ID Postamble Suffix Insert G1/G2/G3/G4 string position: The scanner offers 4 positions to insert strings among the symbol. In case of the insertion position is greater than the length of the symbol, the insertion of string is not effective.
String transmission Note: The information in this chapter is closely related to the chapter of String setting. Format of barcode data transmission Prefix Code name Preamble Code ID Code length Code data Code ID Postamble Suffix Prefix transmission: By setting Enable, prefix will be appended before the data transmitted. Suffix transmission: By setting Enable, suffix will be appended after the data is transmitted.
Page 62
SETUP Option bar code Option Alpha. entry Prefix transmission Disable Enable Suffix transmission Disable Enable Code name transmission Disable Enable Preamble transmission Disable Enable Postamble transmission Disable Enable Disable Code ID transmission Proprietary ID AIM ID Code length transmission Disable Enable Disable Upper (data only)
Troubleshooting Problem Possible causes Possible solutions Nothing happens when you No power to the Check the system power. Ensure the power follow the operating scanner. supply is connected. instructions, or the scanner Incorrect cables. Use the original cables. displays erratic behavior. Connections are loose.
Maintenance Cleaning the exit window is the only maintenance required. A dirty window may affect scanning accuracy. Do not allow any abrasive material to touch the window. Remove any dirt particles with a damp cloth. Wipe the window using a tissue moistened with water. Do not spray water or other cleaning liquids directly into the window.
Assembling the stand See the figure above, tighten the screws. Bend the neck to the desired position for scanning. Screw mounting: Screw one #10 wood screw into each screw-mount-hole until the base of the stand is secured. Tape mounting: ①Peel the paper liner off one side of each piece of tape and place the sticky surface over each of the three rectangular tape holders.
ASCII Table for keyboard wedge for RS-232 Null Down Left Right PgUp PgDn Home Enter Insert Ctrl+ Delete Alt+ Notes: The 2nd and the 3rd columns above are used for keyboard wedge only. “ & ‘ < > Example: ASCII “A” = “41”.
Barcode representing non-printable character Notes to make the following barcode: 1. According to different barcode printing software, the method of printing following barcode is different. 2. If using CODESOFT software, firstly read the information through “Help→Index→Code128→Special input syntax”. Also refer to ASCII table. For example, if we wish to make “F1” barcode, select “code128”, then select “CODE A”...
Return default parameters & others WARNING: Default value initialization If you wish to return the scanner to all the factory default settings, scan the barcode above. Firmware version list If you wish to display the firmware version, scan the barcode above.
Need help?
Do you have a question about the MD2 Series and is the answer not in the manual?
Questions and answers