Crestron
QM-MD7x2
QuickMedia™ Matrix Switcher/Mixer
The following diagram represents the switching and mixing capabilities of the
MD7x2. The MD7x2 can be operated locally (local mode) using buttons on the front
panel, or remotely from a control system (system mode). For more information, refer
to “Operating Modes” on page 77.
Functional Diagram of the QM-MD7x2
Buffer
RGB Monitor
Passthrough
QM OUT 1*
QM OUT 2*
QM IN 7
QM IN 6
Program/
Mic
Splitter
Program/
Mic
Splitter
QM Audio Output
Combiner
QM Audio Output
Combiner
7 X 2 Video
Crosspoint
RGB 4
RGB 5
Video
Sense
Local
MIC
Inputs
1
2
A/D
A/D
Gating
Gating
EQ
EQ
Mix
4-Channel
Mic Mix
Mix
4-Channel
Mic Mix
Local
Stereo
Audio
Inputs
7 X 2
Stereo
Switcher
A/D
A/D
A/D
A/D
A/D
1
2
3
4
5
2 x 2
Dual
Mic
Cross-
point
Mute
Program L
Program R
Speech
Mute
Program L
Program R
Mute
Speech
AUDIO
OUT 1
AUDIO
OUT 2
Mute
D/A
D/A
D/A
D/A
D/A
D/A
Delay
Delay
Vol/EQ
Vol/EQ
Vol/EQ
Vol/EQ
Mix
Mix
Mix
Mix
L
L
L
L
R
R
R
R
Mic
Mic
Mic
Mic
Mic Mix
Mic Mix
L+R
L+R
QM L+R
QM L+R
QM Mic
1 + 2
QM Mic
1 + 2
1
2
3
Video Inputs
QM-MD7X2
*
ALL QM MICROPHONE MIX SIGNALS FROM THE QM-MD7X2 ARE SENT OUT ON THE
MIC 1 CHANNELS OF THE QM OUTPUTS. THERE ARE NO MICROPHONE SIGNALS
ON THE MIC 2 CHANNELS OF THE QM OUTPUTS.
Operations Guide - DOC. 6273
QuickMedia™ Matrix Switcher/Mixer: QM-MD7x2
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