Crestron
QM-MD7x2
QuickMedia™ Matrix Switcher/Mixer
QM-MD7x2, Slot 1 Analog Input Signal Descriptions (continued)
INPUT DESCRIPTION
RemoteMicSelectA
Selects the remote microphone pair that will be
mixed with the two local microphones and
switched to the MIC 1 channel of QM OUT 1 and
the mixing section of AUDIO OUT 1. This remote
microphone pair is referred to as MIC A-1 and MIC
A-2.
Valid analog values range from 0d to 2d. Out-of-
range values are ignored.
•
0d = No remote microphone source
•
1d = Remote microphone pair of QM IN 6
•
2d = Remote microphone pair of QM IN 7
RemoteMicSelectB
Selects the remote microphone pair that will be
mixed with the two local microphones and
switched to the MIC 1 channel of QM OUT 2 and
the mixing section of AUDIO OUT 2. This remote
microphone pair is referred to as MIC B-1 and MIC
B-2.
Valid analog values range from 0d to 2d. Out-of-
range values are ignored.
•
0d = No remote microphone source
•
1d = Remote microphone pair of QM IN 6
•
2d = Remote microphone pair of QM IN 7
Peaking_6 and Peaking_7
Applies peaking at QM IN 6 and/or QM IN 7.
Peaking improves the transmission of the encoded
audio signal over cable lengths up to 300 feet.
Valid peaking values range from 0% to 100%,
adjustable in 1% increments. Peaking is also
programmable using DMT Software.
The following table lists recommended peak/boost
values for various cable lengths.
Cable
Length
(ft)
Recommended
Peak Value
(%)
Recommended
Boost Value
(%)
0
0%
20%
50
5%
23%
100
10%
25%
150
15%
28%
200
20%
30%
250
25%
33%
300
30%
35%
(continued on next page)
Operations Guide - DOC. 6273
QuickMedia™ Matrix Switcher/Mixer: QM-MD7x2
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