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KRAMER: SIMPLE CREATIVE TECHNOLOGY
Communication Protocols
32
Level 1: Video crosspoint control
Level 2: Audio crosspoint control
Level 3: RGB Mute
Level 4: Audio levels
"X": Connect Crosspoint
Request: **X!! out,in,lvl
Response: **OK!! or an ‘Update’ message when updates are turned on.
Action: Make a connection to an output on a level.
The command "X" is used to request that a connection be made. It must be
followed by an output number, a comma, an input number, a comma, and a
level number(s).
For example, the command:
**X24,13,2!!
says that a connection is to be made between output 24 and input 13 on level
2. If the level number is specified as "0", this means that the connection is to
be made on all levels (AFV).
For example, the command:
**X8,3,0!!
says that a connection is to be made between output 8 and input 3 on all
levels.
The above structure of the x command is 100% compatible with all SVS
routers. Expanding on this, this protocol can address more than one level
identity in a single message. For example:
**X8,3,2,3,4!!
Tells the router to switch output 8 to input 3 on levels 2, 3 and 4 while
leaving level 1 unchanged.
Or
**X8,3,2,3,4X8,7,1!!
Tells the router to switch output 8 to input 3 on levels 2, 3, 4 and to switch
level 1 to input 7.
"D": Delay Vertical Sync Intervals
Request: !D numsyncs*
Response: **OK! !<CR>
Action: Delay a number of vertical sync intervals.
The command "D" is used to delay before continuing execution of the
commands that follow. It must be followed by a number giving the number of
vertical sync intervals by which to delay. If the number is 1, the delay will be