HDC-TH200 User Guide/Command Guide
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9
Command
9.1 Summary
A command consists of “@” (“40” in hexadecimal), 3 one-byte alphabetical characters (upper and lower
cases), and parameters (one-byte numbers). For some commands, multiple parameter values can be
specified or parameters are not necessary. Processing is executed by sending a delimiter at the end of the
command.
Example: @SSW,1,1
“,”( a comma, “2C” in hex) is indicated between a command and parameter and between two parameters.
“
” is indicated as a delimiter CR LF (line feed, “0D” and “0A” in hex).
■
If there is an error:
An error command is returned if an undefined command or wrong parameter is included.
Example: @SSW,2
@ERR,1
■
Using as HELP
If only delimiter is sent, command list as the help command is returned.
Example:
--------------- HELP (1/4) ---------------
(CHANNEL SELECT Command)
@GSW / @SSW : Getting/Setting Switching input channel
--------------- HELP (2/4) ---------------
(Com Port Setting Command)
@GCT / @SCT : Getting/Setting RS-232C communication
