
BLK
WHT
BLK 1 WHT 2
AUDIO
200 FT. MAX.
COMMON
290A3743B
MASTER
SPEAKER
1
3
2
5
4
SEE POWER
CONNECTIONS
BLK
WHT
GRN
1K
1WATT
*
*
NOTES:
1. Speaker/Microphone
2. Off/On/Speaker volume control
3. Talk/Listen switch
4. Outgoing Volume Control
5. Speaker Model AD-SS-25 with swivel mounting
bracket or Speaker Model AD-SF-25 with holes
in outer flange for flush mounting
Operating Principle:
1. Slave station is both a speaker and a microphone.
2. Master is normally in “Listen” mode until the talk button is pressed to talk to remote.
3. Outgoing and incoming volumes are controlled by separate controls on master.
POWER CONNECTIONS:
BLK +DC Power 12/24V Models
HOT 120/240V Models
WHT Common 12/24V Models
Neutral 120/240V Models
GRN Earth Ground 120/240V
Models only
POWER MASTER
12-18VDC AD-26-8-M44
22-32VDC AD-56-8-M44
120V 50/60 Hz AD-27-8-M44
240V 50/60 Hz AD-57-8-M44
7
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