Cino FA470 User Manual Page 217

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Command Descriptions
2-202
Get Symbology
(ALL)
Descriptions
Request the desired one or more parameters of the Symbology settings
Packet Format
Prefix Opcode Status Length
Parameter(s) LRC Suffix
7Eh
C6h 00h 00h
00h Variable
See Below Variable
7Eh
1 Byte 3 Bytes 1 Byte 2 Bytes
Variable 1 Byte 1 Byte
Parameter(s)
First Parameter
………
Last Parameter
PID Size ………
PID Size
2 Bytes
2 Bytes
………
2 Bytes
2 Bytes
See Next Page
. Host Requirements
If the device successfully received the above command issued by the host, the device will pack all
requested parameters into a “Reply Symbologymessage string then send to the host. Please refer to
the “Reply Symbology” command for details. Otherwise, a Device NAK will be sent to host to indicate
issue a command error. However, if the host can receive any response from the device within the user
preset time-out duration, please resend the above command.
. Parameter(s) Field
Get Symbology can request multiple parameters at one time, so it takes compound parameters.
. Length
Total size (bytes) of the Parameter(s) field
. LRC
”Opcode” XOR “Status” XOR “Length” XOR “Parameter(s)”
. Size
Total size (bytes) of the Options field
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