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KRAMER: SIMPLE CREATIVE TECHNOLOGY
Communication Protocols
30
would clear the matrix, and when finished, the following response would be
generated:
**OK!!<CR>
This command only clears the crosspoint settings. Any data stored in the
setup memory space or the values from the audio gains are not changed by
this command. In order to clear or reset these values, the following additional
types or clear commands are used:
"Config": Configure Matrix
Request: **CONFIG1234 , oo , ii , l , f1 , f2!!
The Configuration command is protected with a four-digit password (1234 in
the above example is a placeholder). The command tells the software the size
of the switching matrix, the number of levels and several special functions
such as the assignment of levels used for RGB muting and audio gain
controls. Like the clear commands explained above, the configure command
must begin with the six letters CONFIG, upper or lower case and without
spaces between the letters. The present software will accept output values
from 1 to 64 (oo) and input values from 2 to 64 (ii) and level values up to 8
(l). f1 and f2 are eight bit (0-255) flag values that can be used to define
special system operations. They are normally sent as 000 and 000.
The Config command must have all six arguments in order to affect a change
in the router configuration.
Note: changing the router configuration with this command does not change
the contents of the non-volatile memory that stores the router’s current state
or the contents of the setup registers. Most routers are based on an eight level
scheme. When the configuration flags are both set to 000 and 000, the eight
levels are used as follows:
Level 1. First video level. If the router is an RGBHV router this level is used
for RGBHV.
Level 2. Second video level. This video level can be another RGBHV level or
it can be composite video or SDI video, etc.
Level 3. First stereo audio level. The crosspoint hardware will switch left and
right channels together as one level.
Level 4. Second stereo audio level. The crosspoint hardware will switch left
and right channels together as one level.
Level 5. Used to effect RGB mute switching in conjunction with Level 1.
Level 6. No assignment – can be used as a video or audio channel as needed.
Level 7. Used in conjunction with level 3 to effect remote control of audio
levels.
Level 8. Used in conjunction with level 4 to effect remote control of audio
levels.