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KRAMER: SIMPLE CREATIVE TECHNOLOGY
Communication Protocols
36
The default sequences across each line of the status message is:
Output number – comma
level 1 input number – comma
.
.
.
level 8 input number– comma <CR>
At the beginning of the first line the router sends an asterisk and after the last
line the router sends an exclamation !.
"SA": Status Inquiry for Audio gains
Request: **SA!!
The command "SA" requests the status information for all audio gain values
be returned to the host. The reply from the router to the host is with a list of
all output and all input gain values. The number of lines of data in the list is
equal to the number of outputs plus the number of inputs as set up by the
Configuration command explained later. The number of columns in the list is
also set by the Configuration command. The configuration command
determines the number audio channels. The default sequences across each
line of the status message is:
Output number – comma
left level– comma
right level<CR>
Then:
Input number – comma
left level– comma
right level<CR>
At the beginning of the first line the router sends an asterisk and after the last
line the router sends an exclamation !.
The example above is for a typical system with one stereo audio path. For
systems with more than one stereo audio path, each line within the list will
have the next channel’s left and right gains and so on for whatever number of
channels the system may have. The audio level is a number from 0 to 255.
When a system with no audio gain registers is queried by the “SA” command
the router may respond with: !* which indicates that there is no data