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3 Command
3.1 Summary
A command consists of "@" ("40" in hexadecimal), 3 one-byte alphabetical characters (upper and lower
cases), and parameters (one-byte numbers
no parameter is required. Processing is executed by sending a delimiter at the end of the command.
Example: @SPM,2
","( a comma, "2C" in hexadecimal) is indicated between a command and parameter and between two
parameters.
■ If there is an error:
An error command is returned if an undefined command or wrong parameter is included.
Example: @SOT,1
@ERR,1
■ Using as HELP:
If only delimiter is sent, command list as the help command is returned.
Example:
--------------- HELP (1/13) ---------------
(CHANNEL SELECT Command)
@SSW / @GSW : Set/Get Input Channel
@SSV / @GSV : Set/Get Video Input Channel
@SSA / @GSA : Set/Get Audio Input Channel
*
). For some commands, several parameters can be specified or
MSD-501/502 Command Guide
11
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