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General Programming
Command Programming
3、Flow Chart
Non-Configuration
State
nlscan.com
Host sends"$$$$"
and receives"@@@@"
5 seconds timeout，
receives"^^^^"
Host sends"%%%%"
and receives"^^^^"
Host sends commands，
such as"#XXXX
Executing
Commands
Successful
Is it a query
command?
Yes
Receives feedback which begins
with "?"and ends with";"
Receives query information
&{
which begins with "
"and
}
ends with"
"
Configuration
State
;
"
Unsuccessful
No
Receives feedback which
begins with "?"and
ends with";"
Receives feedback which
begins with "!"and
ends with";"
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