User's Manual
Table Of Contents
- Important Notice
- Programming Guide
- Connecting to a Host
- System Function Settings
- Scan Mode
- Radio Communication Setting
- Operation Function Setting
- Interface Settings
- The Symbologies
- Codabar Parameter Setting
- Code 39 Parameter Setting
- Code 93 Parameter Setting
- Code 128 Parameter Setting
- Chinese Post Code Parameter Setting
- MSI/Plessy Parameter Setting
- Code 11 Interface Setting
- ITF 2 of 5 Parameter Setting
- Standard 2 of 5 Parameter Setting
- Industrial 2 of 5 Parameter Setting
- UPC/EAN/JAN Parameter Setting
- Telepen Parameter Setting
- Matrix 2 of 5 Parameter Setting
- Data Editing
- Appendix 1: USB Virtual COM Driver Installation
- Appendix 2: Barcode Length Setting
Di Bar Watch
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USER’S MANUAL
Scanner to Remote Application
Data Format of Packet
To send a data (barcode) to the remote application, the scanner has to encapsulate it:
EAH
(Header)
Size of
payload
FEH
(Format
Byte)
Data
ID
Data
Barcode
Type
AEH
(End of
Byte)
Reserved
Byte
1 byte 1 byte 1 byte 1 byte Varies 1 byte 1 byte 1 byte
Title Definition
Header Character (EAH) The character ID at the head of every data. It has to
start with EAH.
Size of Payload The encapsulated data length excluding header
character.
Format Byte (FEH) Differentiate data format; barcode data is always FEH.
Data ID The number of each data. If receive the same ID more
than once, only the first one is valid, delete the rest.
Barcode Type (1 byte) Please refer to the Barcode Type Table.
Data Decoded barcode data.
End of Byte (AEH) Record data ends.
Reserved Byte Reserved for future use.
Example:
If Code39 barcode data is "ABCD", than sender sends out:
EAH + 0AH + FEH + ID + "ABCD "+ 11H+AEH + Reserved Byte
0AH = 1+1+1+4+1+1+1
Acknowledge packet
55H (Header ) Data ID 55H (end of byte)
1 byte 1 byte 1 byte
Example:
If scanner sends out:
EAH , 0AH , FEH , 01H , "ABCD ", 011H, AEH , EEH
Remote acknowledges: 55H +01H + 55H