Cloud Electronics CX242 User Manual
CX242 Zone Mixer
Installation & User Guide
Cloud Electronics Limited
140 Staniforth Road, Sheffield, S9 3HF England
Tel +44 (0) 114 244 7051
Fax +44 (0) 114 242 5462
V4.0
CX242: I
NSTALLATION AND OPERATION MANUAL
CX242 Zone Mixer
Installation and operation manual
1
Contents
1 Introduction ...............................................................................2
2 Schematic Diagram...................................................................2
3 Zone Configuration Controls .....................................................3
4 Music Inputs..............................................................................4
4.01 Sensitivity & Gain Control .........................................................4
4.02 Music Control - Local or Remote ..............................................4
4.03 Priority.......................................................................................4
4.04 Mono Operation ........................................................................4
5 Microphone Inputs ....................................................................6
5.01 Mic Inputs .................................................................................6
5.02 Gain Control..............................................................................6
5.03 Front Panel Level Controls. ......................................................6
5.04 Microphone Priority...................................................................6
6 Zone Outputs ............................................................................6
6.01 Equalisation ..............................................................................7
6.02 Switch-on Mute .........................................................................7
6.03 Remote Control Requirements .................................................7
7 Remote Music Mute - Fire Alarm Interface ...............................7
8 Expansion Connector................................................................8
9 General notes ...........................................................................9
9.01 Earthing ....................................................................................9
9.02 Unbalanced Mode..................................................................... 9
10 Controlling the music functions using external DC control........9
10.01 Level Control.............................................................................9
10.02 Source Select ...........................................................................9
11 Technical Specifications .........................................................10
12 General Specifications ............................................................ 11
Section
Page
15/07/02 V4
CX242: I
NSTALLATION AND OPERATION MANUAL
1 Safety Notes
• Do not expose the unit to water or moisture
• Do not expose the unit to naked flames.
• Do not block or restrict any air vent
• Do not operate the unit in ambient temperatures above 35
• Do not perform any internal adjustments unless you are qualified to do so and fully
understand the hazards associated with mains operated equipment.
• The unit has no user serviceable parts. Refer any servicing to qualified service
personnel.
• If the moulded plug is cut off the lead for any reason, the discarded plug is a
potential hazard and should be disposed of in a responsible manner.
For more detailed information refer to the rear of the manual.
2 Schematic Diagram
2
o
C
LINE 4
LINE 3
LINE2
LINE 1
MIC 1
MIC 2
GAIN
GAIN
GAIN
GAIN
GAIN
GAIN
For clarity only one channel shown
MIC 2
ZONE 1
MIC 2
ZONE 2
DC CONTROLLED
SOURCE SELECT
LINE 4 PRIORITY
DC CONTROLLED
SOURCE SELECT
MIC 1
ZONE 1
MIC 1
ZONE 2
REMOTE OR LOCAL
SOURCE SELECT + LEVEL
EQ VCA
EQ
REMOTE OR LOCAL
SOURCE SELECT + LEVEL
ZONE 1
MICROPHONE
AUTO PRIORITY
EQ
EQ
ZONE 2
MICROPHONE
AUTO PRIORITY
VCA
FIRE ALARM
MUSIC MUTE
LEVEL
ZONE 1
OUTPUT
ZONE 2
OUTPUT
15/07/02 V4
CX242: I
NSTALLATION AND OPERATION MANUAL
3
3 Zone Configuration Controls
Pre-set switches and controls protected by the anti-tamper panel:
1
PR M1
Z1 MICS
REM
9
1 Mic 1 priority on/off in Zone 1 - Button out = off, button in = on
2 Mic 2 priority on/off in Zone 1 - Button out = off, button in = on
3 Treble control for Zone 1 mic signals - Horizontal position gives flat a response.
4 Bass control for Zone 1 mic signals - horizontal position gives a flat response.
5 Treble control for Zone 2 mic signals - horizontal position gives a flat response.
6 Bass control for Zone 2 mic signals - horizontal position gives a flat response.
7 Mic 1 priority on/off in Zone 2 - Button out = off, button in = on.
8 Mic 2 priority on/off in Zone 2 - Button out = off, button in = on.
9 Remote/local control of Zone 1 music signals. Button out = local,
button in = remote.
10 Stereo/mono switch for Zone 1 music signals. Button out = stereo, button in = mono.
11 Line 4 priority switch for Zone 1. With button in, line 4 overrides other signals.
12 Treble control for Zone 1 music signals. Horizontal position gives flat response.
13 Bass control for Zone 1 music signals. Horizontal position gives flat response.
14 Treble control for Zone 2 music signals. Horizontal position gives flat response.
15 Bass control for Zone 2 music signals. Horizontal position gives flat response.
16 Line 4 priority switch for Zone 2. With button in, line 4 overrides other signals.
17 Stereo/mono switch for Zone 2 music signals. Button out = stereo,
button in = mono.
18 Remote/local control of Zone 2 music signals. Button out = local,
button in = remote.
MONO
Z1 MUSIC Z2 MUSIC
10
2
PR M2
L4 PR
11
3
HF
++++
0000
++
0
HF
12
4
LF
000
LF
13
+
5
HF
HF
14
6
LF
+
LF
15
7
PR M1
Z2 MICS
L4 PR
16
8
PR M2
MONO
17
REM
18
15/07/02 V4
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