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Specifications are subject to change without notice
AtlasSound.com
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435
©2006 ATLAS SOUND LP Printed in U.S.A. 00106 ATS002179 RevA 01/06 PP
OWNER'S MANUAL
AA120M MIXER AMPLIFIER
15
QUICK START EXAMPLES
Example 1 - System Paging, BGM, and MOH with Emergency Page Override
When a page signal is received from INPUT 2 and the RMT MUTE terminals are shorted, the page will be
the only audio heard in the main system because BGM will be muted. If an emergency page comes into
INPUT 1, all inputs will be muted except for the emergency page. Note: Zone 3 MOH output will not be
muted or affected by either page scenario.
• Connect a paging mic to INPUT 1. This will be the priority emergency page over ride mic input.
Note: The INPUT 1 Trim and Sens will need to be adjusted after all the settings and connections
have been set.
• Connect a paging mic with a switch to INPUT 2.
• Connect the switch wires from the mic connected to INPUT 2 to the "RMT MUTE" terminals. Note:
The polarity on the switch to the terminals does not matter.
• Set Dipswitch 9 and 10 to the "MIC" position.
• Set INPUT 1 to Mute Send.
• Set INPUT 2 to Mute RCV.
• Connect a BGM player to INPUT 5. Note: The input gain of this channel may need to be changed for
proper level balance. Dipswitch 6 allows you to select between a 100mV or 300mV input sensitivity.
• Connect Zone 3 output to the MOH input on your telephone system. Adjust Input 5's Zone 3 output
level as needed.
Dipswitch Settings
Dipswitch 1 - OFF Dipswitch 2 - OFF (Not affected)
Dipswitch 3 - Depends on mic type Dipswitch 4 - OFF (Not affected)
Dipswitch 5 - OFF (Not affected) Dipswitch 6 - Set to the required gain
Dipswitch 7 - OFF Dipswitch 8 - OFF
Dipswitch 9 - ON (Mic) Dipswitch 10 - ON (Mic)
Example 1
Vox M uteVox 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
100V70V25V
¡
8Com
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
100100
Sens
Input 4
Trim
Input 3
Trim
Input 2
Trim
Input 1
Trim
Mute
10010
0
10
0
10
0
100100100
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
12345678910
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 M ute
VoxMute
Send
Off
Rcv
CLASS 2 WIRING
Vox Mute
Chime Module
To 70V Speakers
Background
Music Noise
To Music on
Hold Port
From Input 2
Paging Mic Switch
Emergency
Paging Mic
Front Desk
Paging Mic
To Remote
Mute Terminals