12
290A3702B
BLK
WHT
BLK
WHT
AUDIO
COMMON
REMOTE
TO OTHER INTERCOMS
1
3
6
5
2
4
SEE POWER CONNECTIONS
BLK WHT GRN
*
*
BLK WHT GRN
*
1K
1
W
AT
T
Operating Principle:
•
When one talks, all r
emotes will hear
.
•
To talk into r
emote, pr
ess talk switch and
talk into speaker/micr
ophone. Release
talk switch to listen. (The headset speaker
selector switch must be in “speaker”
position to hear r
eceived audio signal on
speaker
.)
•
To talk into headset, pr
ess belt “talk”
switch and talk into headset micr
ophone.
Release belt switch to listen. (The selector
switch must be in “headset” position.)
NOTES:
1.
Speaker/Micr
ophone
2.
Of
f/On/Speaker volume contr
ol
3.
T
alk/Listen switch
4.
Headset/Speaker selector switch
5.
“Call” push button switch
6.
#137145 Headset with noise cancelling
micr
ophone
Befor
e installing r
emote inter
coms, pr
ecautions should be taken to pr
event feedback
between two or mor
e r
emotes in close pr
oximity and acoustically r
eflective ar
eas.
Power
Remote A
12–18V
DC
AD
‑26A
‑M34
120V 50/60 Hz
AD
‑27A
‑M34
22
‑30
VDC
AD
‑56A
‑M34
240V 50/60 Hz
AD
‑57A
‑M34
POWER CONNECTIONS:
BLK
+DC Power
12/24 V models
HOT
120/240 V models
WHT
Common
12/24 V models
Neutral
120/240 V models
GRN
Earth Gr
ound
120/240 V models only
5
