Cloud CX163 Instalasi dan Panduan Pengguna - Halaman 11

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Music Control

Like other Cloud products, the CX163 allows remote control
of music level in Zone 1 and Zone 2. Cloud remote control
plates from the RL-1 Series provide an elegant solution,
though control via a DC voltage from third-party systems
is also possible (see "Control of music source and level via
external DC" on page 15).
NOTE: Cloud RSL-6 Series remote control plates are NOT
compatible with the CX163.
RL-1 Series remote control plates connect via the REMOTE
LEVEL CONTROL port for the relevant zone (see [8] on
"Description of rear panel" on page 8). These connectors
are 4-pin 5 mm-pitch screw terminal types, which permit
separate level control of the left and right Zone outputs, if
desired.
Connecting an RL-1 Series remote control plate
There are two methods of connecting an RL-1 Series remote
control plate to a CX163. In most installations, it will be
desirable to control both the left and right channels of the
stereo Zone output together. In this case, wire the remote
control plate as shown below, using twin-and-screen cable.
Maximum reliable cable run is 100 m.
RL-1 REMOTE LEVEL CONTROL WIRING
PLATE
1
2 3
USE TWO-CORE SCREENED CABLE
If the Zone has been reconfigured for mono operation, it may
suit the installation to connect the left and right outputs to
separate power amplifiers (or amplifier channels), to drive
loudspeakers in different areas of the Zone. In this case, two
RL-1 Series remote control plates may be connected, one
controlling the level at the left output, the other the level at
the right output. In this case, wire the plates as shown below:
RL-1 REMOTE LEVEL CONTROL WIRING
LEFT CHANNEL
REMOTE MUSIC
PLATE
CONNECTOR
(CX163 ONLY)
1
1
2
3
USE TWO-CORE SCREENED CABLE
REMOTE MUSIC
CONTROL
CONNECTOR
1
2 3 4
RIGHT CHANNEL
CONTROL
2
3
4
1 2 3
RL-1 remote control plates will operate once connected;
however, it may then be desirable to disable the front
panel MUSIC LEVEL controls. This can be accomplished
by moving the internal PCB jumpers J13 (Zone 1) and/or
J12 (Zone 2) from NRM to DEF. See "PCB jumper location
and settings" on page 17 for location of internal jumpers.

Music Mute

External muting of music is available at the MUSIC MUTE
connector. National or Local Authority regulations governing
such systems may require that normal programme material
(i.e., music) should be muted in an emergency, to ensure that
any emergency messages are clearly audible.
The Music Mute input is on a 2-pin 5 mm-pitch screw-terminal
connector. It should be connected to the appropriate alarm
output on whichever building management system registers
the alarm (typically the Fire System). The alarm output must
be volt-free; if no such output is available, an intermediate
relay or other isolation device must be installed between the
alarm output and the Music Mute input.
The Mute input can be set to operate on either normally
open (N/O) or normally closed (N/C) contacts via an internal
jumper (see "PCB jumper location and settings" on page 17).
The factory default setting is N/O, thus requiring a short-
circuit to be applied across the two pins of the connector for
muting to occur.
Visual indication of muting being activated is given by the
MUSIC MUTE LED on the front panel.
PLATE
CX163 Installation and User Guide v1.1
MUSIC MUTE
INPUT
1
2
NORMALLY OPEN (N/O)
CONNECTION
MUSIC MUTE
INPUT
1
2
NORMALLY CLOSED (N/C)
CONNECTION
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