
Crestron QM-MD8x8 QuickMedia Distribution System
NOTE: The setting for the verbose mode is retained even after power to the MD8x8
is cycled.
NOTE: Commands can be sent to the MD8x8 regardless of the status of the verbose
mode.
Verbose Mode Commands
COMMAND FUNCTION
R0\r Verbose mode off
R1\r Verbose mode on
R?\r Get verbose mode status
When the state of the verbose mode changes to on, or if polled for status, the MD8x8
replies with one of the responses listed in the following table.
Verbose Mode Status Replies
MESSAGE DEFINITION
R1\r Verbose mode on
R0\r Verbose mode off
Switching/Routing Functions
Switching/Routing Commands
COMMAND* FUNCTION*
IxOyA\r Switch input x to output y audio only*
IxOyV\r Switch input x to output y video only*
IxOy\r Switch input x to output y audio and video*
CA1V1A2V2xxV3A4V4A5xxA6
V6A7V7A8V8\r
Switches all outputs. Where A1 is the audio
input routed to QM OUT 1, V1 is the video
input routed to QM OUT 1, A2 is the audio
input routed to QM OUT 2, V2 is the video
input routed to QM OUT 2, and so on through
QM OUT 8. Each value is 2 digits, and thus
can range from 00 (for no source) to 08,
corresponding to QM inputs 1 through 8. The
"xx" (or "XX") specifier should be used to
denote a "don't care" condition, in which case
the respective output should retain its state.
OyA?\r Get status of output yA
OyV?\r Get status of output yV
S?\r Get status of all outputs
* Where “x” should equal 0 (for no source) through 8, corresponding to QM
inputs 1 through 8; and “y” should equal 1 through 8, corresponding to QM
outputs 1 through 8. Thus to route a digital audio source from QM IN 5 to QM
OUT 8, set the Control$ input to “I5O8A\r”. Alternatively, the command
string can consist of 2-digit values, e.g.,“I05O08A\r”.
NOTE: If an input greater than “8” or “08” is sent, the command is ignored.
NOTE: If an output destination less than “1” / “01”, or greater than “8” / “08”is sent
to the MD8x8, the command is ignored.
Operations Guide - DOC. 6260 QuickMedia Distribution System: QM-MD8x8 • 35
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