Cino FA470 User Manual Page 176

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Command Descriptions
2-161
Get WF System
(WF)
Descriptions
Request the desired one or more parameters of the System Settings for Wi-Fi Scanner
Available for F & L series
Packet Format
Prefix Opcode Status Length
Parameter(s) LRC Suffix
7Eh
E2h 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 WF
System
” message string then send to the host. Please refer to
the “Reply WF System” command for details. Otherwise, aDevice 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 SE Operation 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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