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4 Operation
With the IQ-MC option, your CTs
4200 and CTs 8200 amplifiers can
be monitored and controlled from a
remote location through the use of
an IQ System. This module features
SmartAmp ™ capabilities which will
enable the amplifier to function au-
tomatically. For example, the IQ-MC
module can automatically limit the
audio signal, also detect and report
various problems.
In addition, the IQ-MC Load Su-
pervision feature has the ability to
verify the status of the loads in real
time.
The IQ-MC module uses Crown's
IQ2 protocol. This makes it possible
for a user to design custom graphic
display modules to control and moni-
tor the unit with IQ2-compatible IQ
software. This allows even greater
flexibility within Crown's IQ software
via custom control pages. Plus, the
IQ2 protocol provides for third-party
programming for system controllers
such as those from AMX and
Crestron.
The following sections describe the
IQ-MC features and operation.
Where specified, some features are
accessed via controls located on
the unit itself. However, many of the
features can be controlled or con-
figured using IQ for Windows soft-
ware. Commands are transmitted
via an IQ interface to the specified
IQ component (an IQ2-compatible
interface is required). Please con-
tact your Crown representative or
Crown's Technical Support Group if
you are unfamiliar with IQ software.
Reference Manual
4.1 Hardware
4.1.1 Data Signal Presence
Indicator
An amber Data Signal Presence Indi-
cator (DATA) is provided on the IQ-
MC connector panel as well as the
front of the amplifier. It flashes when-
ever commands addressed to the IQ-
MC module are received. To assist
with troubleshooting, an option that
forces the DATA indicator to remain lit
is available through IQ software.
4.1.2 Preset Indicator
A green PRESET indicator is provided
on the IQ-MC connector panel. This
indicator signals the number of the
currently selected preset by emitting
a series of flashes which match the
preset number, followed by a pause.
The indicator will continuously repeat
the number selected until a change is
made to any setting.
4.1.3 IQ Bus Input Connector
An RJ-45 connector provides the
input connection to the IQ Bus. Drop-
out relays maintain loop integrity in
the event power is removed from the
IQ-MC module.
4.1.4 IQ Bus Daisy Output
Connector
An RJ-45 connector is provided for
normal daisy wiring output to the next
device on the loop in the IQ Bus.
4.1.5 AUX Input/Output and
Listen Bus Connector
An RJ-11 connector provides three
functions. The AUX output delivers
15 VDC at 70 mA maximum output
when switched on and may be con-
IQ-MC Modules
Page 11
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