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SE-923 Scan Engine Integration Guide
REQUEST_REVISION
Description: Request the software revision string from the decoder
Packet Format
Field Descriptions
Host Requirements
The host sends this message to request revision information from the decoder. The decoder
responds with REPLY_REVISION.
Decoder Requirements
The decoder sends its revision string to the host. See
for format.
Length
Opcode
Message Source
Status
Data
Checksum
0x04
0xA3
0x04
Field Name
Format
Size
Description
Length
Length of message (not
including checksum).
1 Byte
Length Field
Opcode
0xA3
1 Byte
Identifies this Opcode type.
Message
Source
4 = Host
1 Byte
Identifies where the message is
coming from.
Status
Bit 0: Retransmit
Bit 1-7: Unused
1 Byte
Identifies the transmission status.
Unused bits must be set to 0.
Data
None
Checksum
2's complement sum of
message contents
excluding checksum.
2 Bytes
Checksum of message.
Summary of Contents for SE 923
Page 1: ...SE 923 Scan Engine Integration Guide...
Page 3: ...SE 923 Scan Engine Integration Guide 70 37052 01 Rev A February 1999...
Page 10: ...viii SE 923 Scan Engine Integration Guide...
Page 16: ...xiv SE 923 Scan Engine Integration Guide...
Page 22: ...1 6 SE 923 Scan Engine Integration Guide...
Page 29: ...2 7 Installation Figure 2 3 Exit Window Positioning CASE 1 CASE 2...
Page 52: ...4 8 SE 923 Scan Engine Integration Guide...
Page 135: ...5 83 Parameter Menus Prefix Suffix Values DATA FORMAT CANCEL...
Page 155: ...5 103 Parameter Menus Numeric Bar Codes cont d 4 5 6 7...
Page 196: ...6 40 SE 923 Scan Engine Integration Guide...
Page 232: ...Glossary 8 SE 923 Scan Engine Integration Guide...
Page 236: ...Index 4 SE 923 Scan Engine Integration Guide...
Page 238: ......