Cino FA470 - Manual (Page 34)

Command Descriptions
2-19
Serial Trigger
(ALL)
Descriptions
Start or Stop a scan session
When triggered on, the scanner attempts to obtain the requested data. When triggered off, the
scanner aborts a decode attempt.
Packet Format
Prefix Opcode Status Length Parameter(s) LRC Suffix
7Eh 80h 02h 00h 00h 00h 01h See <Table 1-2> Variable 7Eh
1 Byte 3 Bytes 1 Byte 2 Bytes 1 Byte 1 Byte 1 Byte
. Host Requirements
If the device successfully received the above command issued by the host, a “Device ACK” will be sent
to the host right after the device performed the action. Otherwise, a “Device NAK” will be sent to host to
issue a command error. However, if the host can not receive any response from the device within the
user preset time-out duration, please resend the above command.
. Length
Total size (bytes) of the Parameter(s) field
. LRC
”Opcode” XOR “Status” XOR “Length” XOR “Parameter(s)”
Parameter(s)
< Table 1-2 > Serial Trigger Parameter(s) Field
Parameter / PID / Size Options Descriptions
Serial Trigger
PID : <Null>
Size : 00h 01h (1 Byte)
- 00h
- 01h
OFF
ON