CAMBRIDGE Qt, Qt Room Control Installation & Operation Manual
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Qt™ Room Control
Installation & Operations Guide
page 2
List of Contents
Overview
Qt™ Room Control Settings
Installing the Qt Room Control
Typical Installation Options
Two Zone System Installation
One Zone System Installation
A Single Room Installation
3
4
5
6
6
7
8
10
Table of contents
page 3
QtRC Package contains
1 - QtRC volume control
1 - White Decora® style wall plate
1 - Manual
1 - Set of white tipped screws (2 pieces)
1 - White knob (installed)
1 - White Decora center plate
Optional accessories
1 - Ivory knob
1 - Ivory Decora center plate (Not wall plate)
Package contents
page 4
Overview
The Qt Room Control (QtRC) can be used to adjust the
sound masking level for an individual room or a space with
2-8 emitters. This wall mounted volume control unit is
designed to work with any of the Cambridge Sound Management sound masking systems. It installs easily in new or
existing construction and fits in most standard electrical
boxes, including open back, low voltage brackets.
Since the QtRC is designed for a room of up to 8 emitters, a
separate zone should be used in larger areas. The QtRC
controlled room can be its own run from the controller or part
of a run to other areas. Several system layout options are
shown on the following pages and, with each layout, a
suggested usage model is described.
When using the QtRC, the controller needs to supply enough
power over the cable run for the emitters and the QtRC(s).
From the control modules, a single cable run can support 60
emitters; however, an added QtRC reduces the number of
emitters that can be supported, because each QtRC "counts"
as an emitter in the total for the run. The cable run can
support up to a combination of 60 emitters and QtRCs. For
example, if there are 30 rooms with 2 emitters in each room, or
a total of 60 devices (2 x 30 emitters), then a single run of
cable could be used. However, if a QtRC is also used in each
room, changing the total to 90 devices (2 x 30 emitters + 30
QtRCs), then 2 cable runs would be required.
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