Owner's manual, Aa120m mixer amplifier – Atlas Sound AA120M User Manual
Page 12
Specifications are subject to change without notice
AtlasSound.com
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©2006 ATLAS SOUND LP
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00106
ATS002179 RevA 01/06
PP
OWNER'S MANUAL
AA120M MIXER AMPLIFIER
12
27. Remote Mute (Priority Mute)
The Remote Mute feature allows you to have priority mute over Inputs 2-6. It is useful when certain
channels need to be muted from a remote location. When shorting (connecting) the Remote Mute
terminals together, (G) and (M), the internally assigned channels will be muted and will override
the VOX Mute settings. Note: Input 1 cannot be VOX or Remote Muted at anytime. Input 5 is the only
channel shipped with a factory installed Remote Mute jumper. See the PCB diagram on page 23 for
Remote Mute jumper assignments.
28. Zone 2 And Zone 3 Mute Assign (Special Internal Feature)
Each input has a mute assignment function. Inputs 2-6 can be set to receive or send a mute
command. Each input also has individual Zone 2 and 3 level controls. There may be applications that
require different mute options with Zone 2 and 3 outputs. You may want a certain input muted but not
necessarily the corresponding Zone outputs.
Internally, there are jumpers to select each input's zone outputs to be PRE or POST input mute
assignment. The AA120M Zone 2 and 3 outputs are shipped with the following assignments:
Inputs 2, 3, and 4 are POST input mute assignment.
Inputs 5 and 6 are set to be PRE input mute assignment.
Example: Input 5 will commonly have a CD player inserted into to it for background and/or MOH.
The CD’s signal is fed to the amplifier output for background music and the same signal from the CD is
routed to a telephone systems MOH input via Zone 2 or 3 output. When Input 1 receives a page you
may want the CD to be muted for the background music but not the telephone's MOH. For this to
work, the internal Zone 2 or 3 jumpers for Input 5 need to be assigned to PRE Mute. See the PCB
diagram on page 23 for pin assignments.
29. Zone 3 Out
MUSIC ON HOLD port, also known as MOH. The Zone 3 signal is taken PRE Input gain.
30. Zone 2 Out
The
8Ω 1W Zone 2 output can drive an external 8Ω speaker, and is taken PRE Input gain.
Vox Mute
Vox Mute
Input 5
Level
Zone 3
Level
Zone 2
10
0
10
0
10
0
10
0
10
0
10
0
10
0
G
–
+
G
–
+
G
–
+
G
–
+
Unswitched Outlet
120V AC 60Hz
Max 500W
Outlet Breaker
125V AC 4A
Push Reset
120V AC 60Hz 300W
100V
70V
25V
¡
8
Com
24V DC 200mA
Relay
+
–
NC
C
NO
–
+
+
–
Zone 2 Out
1W 8
Zone 3 Out
¡
¡
600
Remote Mute
VCA
+
–
G
Sel
Bridge
In/Out
Input 6
Level
Zone 3
Level
Zone 2
10
0
10
0
Sens
Input 4
Trim
Input 3
Trim
Input 2
Trim
Input 1
Trim
Mute
10
0
10
0
10
0
10
0
10
0
10
0
10
0
Send
Off
Rcv
Send
Rcv
Off
Send
Off
Rcv
Send
Off
10
0
Zone 2 Level
Zone 3 Level
Input 3
Input 2
Input 1
Pwr In
Tape Out
1 2 3 4 5 6 7 8 910
R
Line Out
L
Input 5
Pre Out
Input 6
Input 4
Zone 2 Level
Zone 3 Level
Zone 2 Level
Zone 3 Level
Zone 2 Level
Zone 3 Level
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Speaker Output 120W
Vox Mute
VoxMute
Send
Off
Rcv
CLASS 2 WIRING
Vox Mute
Chime Module
27
29
30