Use Of Command - Newland NLS-HR1550-30 User Manual

**【Enter Setup】

Use of Command

Based on serial port communication, programming commands can be composed of printable ASCII characters, 0x20
(space) through 0x7D
Programming Mode
Before configuring the HR15 corded scanner through serial communication, the device must enter the programming mode;
in such mode, the device will only accept and process commands and respond accordingly.
You can enable the device to enter or exit the programming mode by sending the specified commands to it. In the event
that the device receives no data for 5 seconds, it will exit the programming mode automatically.
Command Format
Enter the programming mode: send "$$$$" from the Host to the scanner, the scanner returns a reply of "@@@@" to
1.
indicate success.
Exit the programming mode: send "%%%%" from the Host to the scanner, the scanner returns a reply of "^^^^" to
2.
indicate success.
Receiving "^^^^" from the scanner when the Host did not send "%%%%" to it indicates the scanner has
3.
automatically exit the setup mode.
A command string consists of "#", programming command and ";", such as "#99900030;".
4.
If a command string is properly processed, the scanner will return a reply consisting of "!", programming command
5.
and ";", such as "!99900030;".
6. If the scanner receives an invalid command string or fails to process a command string, it will return a reply consisting
of "?", programming command and ";", such as "?99900030;"
If a query command is properly processed, the scanner will return a reply containing "!", programming command and
7.
";", as well as "&{", query result and "}". For example:
send a query command of "#99900301;" to get the firmware version information,
the Host will receive a reply of "!99900301;&{Firmware v1.7.5;Decoder v1.00.023.C6;|FD25430B}".
Description:
In the reply, "Firmware v1.7.5;Decoder v1.00.023.C6" is the query result; "|" is a separator; and "FD25430B" is
the CRC32 checksum value in hexadecimal format.
【Exit Setup】
("}").
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