Crestron electronic QM-MD5x1 - Manual (Page 34)

QuickMedia™ Matrix Switcher/Mixer Crestron QM-MD5x1
QM-MD5x1, Slot 1 Analog Input Signal Descriptions
INPUT DESCRIPTION
QMLinkPeakToSave Sets the peaking value that will be saved to the
preset given by QMLinkPreset#ToSave when
SaveQMLinkPreset is held high.
Peaking improves the transmission of the
encoded audio signal over cable lengths up to
300 feet.
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%
QMLinkBoostToSave Sets the boost that will be saved to the preset
given by QMLinkPreset#ToSave when
SaveQMLinkPreset is held high.
Boost improves the transmission of the encoded
audio signal over cable lengths up to 300 feet.
Valid boost values range from 0% to 100%,
adjustable in 1% increments. Boost 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%
QMLinkPreset#ToSave [This signal is operative only if Auto
Compensation is NOT enabled.]
Sets the preset number where the peaking and
boost values given by QMLinkPeakToSave and
QMLinkBoostToSave will be saved.
The peaking and boost are saved when
SaveQMLinkPreset is held high.
Valid analog values range from 1d to 254d. Out-
of-range values are ignored.
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30 • QuickMedia™ Matrix Switcher/Mixer: QM-MD5x1 Operations Guide - DOC. 6300