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MD7919 Handheld Image Scanner User Manual Version: MD7919_UM_EN_V1.0.1...
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Notice Ensure that the optional DC adapter works at +5 VDC, especially for the RS-232 interface cable. 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.
1 Specifications 1-1 Technical specifications Dimensions (L×W×H) Height × Width × Depth: 87 mm × 64.5 mm × 167 mm Weight 138 g (without cable) Cable Straight 2.0 m Connector Type RJ-45 phone jack connector Case Material PC+TPU Exit Window Material Tempered glass Indicator Beeper, LED, Vibrator (optional)
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35mm – 190mm 5mm - 180mm 5mm - 120mm 10mil QR 20 chars 5mm – 420mm 5mm - 370mm 5mm - 190mm 20mil QR 20 chars Temperature Operating: -10° C to 50° C (14° F to 122° F); Storage: -20° C to 70° C (-4° F to 158° F) Humidity 5% to 95% (non-condensing) EMC: EN55032, EN55035...
2-2 Parts of the scanner Figure 2-2 ① Successful decoding indicator (Green LED) / Communication fail indicator (Red LED) / Charging indicator (Red/Green LED) ② Beeper ③ Scan window ④ Trigger (Press to trigger / Long press 3 seconds to turn on) ⑤...
2-3 Cable connector pin-outs descriptions The scanner provides a RJ-45 cable connector. Figure 2-3 Cable connector interface pin-outs The pin-outs descriptions in Table 2-1 apply to the cable connector on the scanner and are for reference only. Table 2-1 Cable connector pin-outs descriptions RS232 Power (+5V) Power (+5V)
2-4 Installation and uninstallation of cable 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. 2-4-1 Installation - USB The scanner attaches directly to a USB host, and is powered by it. No additional power supply is required.
2-4-3 Uninstallation of cable Figure 2-6 Remove the interface cable: 1. Find the release-hole. 2. Insert a thin wire into the hole and pull out the cable gently.
3 Programming 3-1 Example 1: Single-parameter setting by scanning 1D barcodes Important notes: 1. During the process of programming, LED is lighting to indicate the programming correctness. LED will go off if any incorrect programming operation performed. 2. After each successful programming, LED will go off and the scanner will beep twice. 3.
3-2 Example 2: Multiple-parameter setting by scanning a QR code barcode User can customize a QR code to set multiple parameters. The scanner can set multiple parameters by scanning this single QR code barcode. 1. The data format of the QR code barcode is as following. Note that: ...
3-3 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 3-6 USB interface.
3-4 Interface selection This scanner supports interfaces such as 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 RS-232 interface or USB interface for user.
3-5 RS-232 interface Host type: Standard- The scanner is connected to a standard RS-232 interface. OPOS/JPOS- The scanner is connected to a POS terminal which may be necessary to install the OPOS/JPOS driver to be compatible with the manufacturer's scanner. The OPOS/JPOS driver is provided by the scanner manufacturer;...
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Standard Host type OPOS/JPOS None RTS/CTS (Host idle: Low RTS) Flow control RTS/CTS (Host idle: High RTS) XON/XOFF ACK/NAK 0 ms 5 ms 10 ms Inter-character delay 20 ms 40 ms 80 ms 00-99 Response delay...
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry 19200 38400 57600 115200 None Parity bit Even 8 bits Data bit 7 bits One bit Stop bit Two bits...
3-6 USB interface USB device type: HID keyboard– By setting, the scanner is used as a USB HID keyboard emulation device. HID keyboard for Apple Mac– By setting, the scanner is compatible with Apple Mac. USB virtual COM– By setting, the scanner emulates 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.
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Multiple-scan setting Alpha. Single-scan setting Option barcode Option entry HID keyboard HID keyboard for Apple Mac USB device type USB virtual COM HID for OPOS/JPOS Turkish F Turkish Q French Italian Spanish Slovak Denmark Japanese Keyboard layout German Belgian Russian Czech Thai Hungary...
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Multiple-scan setting Single-scan setting Alpha. Option barcode Option entry Character encoding system Refer to 3-7 Scan mode & some global settings. 0 ms 5 ms 10 ms Inter-character delay 20 ms 40 ms 60 ms Alphabetic key Numeric keypad Alt + keypad Numeric key BIGS THAI...
3-7 Scan mode & some global settings Scan 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.
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Element amendment: If it is enabled, the scanner can read the barcode comprised with bars and spaces in different scale. 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. Data output delay in continue-scan mode: If it is enabled, in the continue-scan mode, the scanner can store the data while continue-scanning.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Good-read off Momentary Alternate continue Scan mode Continue Good-read on Auto-detection- Good-read on Auto-detection- Good-read off Disable* Barcode detection Enable Always detection 5 seconds 10 seconds Barcode detection delay 30 seconds 60 seconds Never detection 4 seconds...
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry 2 minutes 5 minutes 7 minutes 10 minutes 15 minutes 20 minutes 30 minutes 45 minutes 1 hour 00-FF Same barcode delay time for 1D symbol 00-FF (50 ms) 00-FF Same barcode delay time for 2D symbol 00-FF (50 ms)
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry 00-66 Global G1-G4 string selection 00-66 Disable Element amendment Enable Disable Decoder optimization Enable ASCII UTF-8 Windows-1251 Simplified Chinese Character encoding system Traditional Chinese Windows-1250 KOI8R Japanese Complete data output before Disable next decode attempt Enable...
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Sweeping scan enhancement Medium speed High speed...
3-8 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.
3-9 Decode illumination and decode aiming mode Decode illumination mode: Enable illumination causes the scanner to turn on the illumination to aid decoding. Disable illumination to turn off illumination for the scanner during decoding. Better quality images could be obtained with illumination support. The effectiveness of the illumination decreases as the distance to the target increases.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. Entry Always Off Always On Decode illumination mode Flashing Always On when reading Always Off Always On Decode aiming pattern On before reading On when reading Level of decode illumination Middle High Holding time of aiming light on 00-99 (Push-open)
3-10 Other settings 1D symbols read: A global setting of 1D symbols readability. 2D symbols read: A global setting of 2D symbols readability. Vertical centering read: By setting Enable, the scanner reads only the barcode centered by the aimer in vertical direction. However, the scanner will read either one of two barcodes which are positioned horizontally.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Follow respective 1D symbol setting 1D symbols read All 1D OFF All 1D ON Follow respective 2D symbol setting All 2D OFF All 2D ON Only PDF417 ON 2D symbols read Only QR code ON Only Data Matrix ON Only MaxiCode ON...
Note 1 : The instruction of calibrating the aimer in vertical centering direction Scan the barcode on this page. The scanner will give three musical short beeps to indicate entering calibration mode. Press the trigger of the scanner while maintaining the distance of about 15cm between the scan window of the scanner and this paper.
Note 2 : Scan barcode or send command to enter upgrade mode Scan barcode to enter upgrade mode Send command 0x16 0x4D 0x0D 0x25 0x4E 0x4D 0x55 Send command to enter upgrade mode 0x47 0x44 0x2E by USB virtual COM or RS232 COM.
3-11 UPC-A Read: Format System character Data digits (10 digits) Check digit Check digit verification: The check digit 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.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable Disable Check digit verification Enable Disable Check digit trans. Enable 00-FF Code ID setting 00-FF (ASCII) <A>* 00-44 Insert group selection 00-44 None 2 digits Supplement digits 5 digits 2 or 5 digits Only with Supplement digits bar code...
3-12 UPC-E Read: Format System character “0” Data digits (6 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 3-11 UPC-A.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable Disable Check digit verification Enable Disable Check digit trans. Enable 00-FF Code ID setting 00-FF (ASCII) <D>* 00-44 Insert group selection 00-44 None 2 digits Supplement digits 5 digits 2 or 5 digits Only with Supplement digits bar code...
3-13 UPC-E1 Read: Format System character “1” Data digits (5 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 3-11 UPC-A.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable Disable Check digit verification Enable Disable Check digit trans. Enable 00-FF Code ID setting 00-FF (ASCII) <D>* 00-44 Insert group selection 00-44 None 2 digits Supplement digits 5 digits 2 or 5 digits Only with Supplement digits bar code...
3-14 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 3-11 UPC-A.
3-15 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 3-11 UPC-A.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable Disable Check digit verification Enable Disable Check digit trans. Enable 00-FF Code ID setting 00-FF (ASCII) <C>* 00-44 Insert group selection 00-44 None 2 digits Supplement digits 5 digits 2 or 5 digits Only with Supplement digits bar code...
3-16 Code 39 (Code 32, Trioptic Code 39) Read: Format Start character (*) Data digits (variable) Check digit (optional) End character (*) Check digit verification: The check digit is optional and made as the sum module 43 of the numerical value of the data digits.
3-17 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).
3-18 Industrial 2 of 5 (Discrete 2 of 5) Read: Format Data digits (variable) Max./Min. code length: Refer to Max./Min. code length of 3-16 Code Code ID setting: Refer to Code ID setting of 3-11 UPC-A. Insertion group selection: Refer to Insertion group selection of 3-11 UPC-A.
3-19 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.
3-20 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.
3-21 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 3-16 Code Code ID setting: Refer to Code ID setting of 3-11...
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3-22 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 3-16 Code Code ID setting: Refer to Code ID setting of 3-11...
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3-23 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.
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3-24 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.
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3-25 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.
3-26 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. Mod 10, Mod 10/10 and Mod 10/11. The check digit 1 and check digit 2 will be calculated as the sum module 10 or 11 of the data digits.
3-27 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.
3-28 China Post Read: Format 11 Data digits Max. /Min. code length: Refer to Max./Min. code length of 3-16 Code 39. The code length of China Post is 11. Code ID setting: Refer to Code ID setting of 3-11 UPC-A. Insertion group selection: Refer to Insertion group selection of 3-11 UPC-A.
3-29 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...
3-30 GS1 DataBar Limited Read: Format 16 Data digits Code ID setting: Refer to Code ID setting of 3-11 UPC-A. Insertion group selection: Refer to Insertion group selection of 3-11 UPC-A. Conversion: Refer to Conversion of 3-29 GS1 DataBar (GS1 DataBar Truncated).
3-31 GS1 DataBar Expanded Read: Format Data characters (variable) Code ID setting: Refer to Code ID setting of 3-11 UPC-A. Insertion group selection: Refer to Insertion group selection of 3-11 UPC-A. Conversion: UCC/EAN 128- Refer to Code ID transmission of 3-42 String transmission, ]Cm will be identified as AIM Multiple-scan setting...
3-34 QR Code Read: Format Data characters (variable) Multiple-scan setting Single-scan setting Option bar code Option Alpha. entry Read Disable Enable Maximum code word length 0001-9999 0001-9999 9999* Minimum code word length 0001-9999 0001-9999 0001*...
3-35 Micro QR Note: The support for this feature is available with customized firmware version. Read: Format Data digits (variable) Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable 0001-9999 0001-9999 Maximum code word length 9999* 0001-9999 0001-9999 Minimum code word length 0001*...
3-36 Data Matrix Read: Format Data characters (variable) Multiple-scan setting Single-scan setting Option bar code Option Alpha. entry Disable Read Enable 0001-9999 0001-9999 Maximum code word length 9999* 0001-9999 0001-9999 Minimum code word length 0001*...
3-38 Han Xin Code Note: The support for this feature is available with customized firmware version. Read: Format Data digits (variable) Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable 0001-9999 0001-9999 Maximum code word length 9999* 0001-9999 0001-9999 Minimum code word length...
3-41 G1-G4 & 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.
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Testing barcode: 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. Single character C1/C2 replacement: By setting, a defined character in the data string can be replaced by another defined character.
3-42 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.
3-43 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.
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Multiple-scan setting Single-scan setting Alpha. Option barcode Option entry Disable FN1 substitution transmission Enable All-non-printable-character string Disable transmission with string setting Enable Transmit the first N data characters only 01-99 Transmit the last N data characters only 01-99...
4 Maintenance Cleaning the scan 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.
5 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”...
6 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”.
8 Return default parameters & list firmware version 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.
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