9
BLK WHT GRN
*
290A3694
BLK
WHT
BLK
WHT
AUDIO
COMMON
REMOTE A
REMOTE B
TO OTHER REMOTES
1K
1W
ATT
1
3
5
2
1
3
2
4
BLK WHT GRN
*
SEE POWER CONNECTIONS
*
Operating Principle:
•
When one talks, all r
emotes will hear
.
•
To talk, pr
ess talk switch and speak into speaker/
micr
ophone. Release talk switch to listen.
•
To talk into hand
‑held micr
ophone, pr
ess talk
switch on micr
ophone and speak into micr
ophone
element.
NOTES:
1.
Speaker/Micr
ophone
2.
Of
f/On/Speaker volume contr
ol
3.
T
alk/Listen switch
4.
“Call” T
one push button switch
5.
#137144 hand
‑held, noise cancelling micr
ophone
with push
‑to
‑talk switch
Power
Remote A
Remote B
12–18V
DC
AD
‑26
‑7
AD
‑26A
‑7
120V 50/60 Hz
AD
‑27
‑7
AD
‑27A
‑7
22
‑30V
DC
AD
‑56
‑7
AD
‑56A
‑7
240V 50/60 Hz
AD
‑57
‑7
AD
‑57A
‑7
POWER CONNECTIONS:
BLK
+DC Power
12/24V models
HOT
120/240V models
WHT
Common
12/24V models
Neutral
120/240V models
GRN
Earth Gr
ound
120/240V models only
Reminders:
•
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.
•
16–20 gauge low voltage audio cable. T
wisted pair not r
equir
ed.
•
Shielded audio cable not r
equir
ed unless operating in high electr
omagnetic fields.
Gr
ound one end of the shield to earth gr
ound.
•
Type of power cable depends on inter
com model.
•
7 foot (2 meter) cable pr
ovided for audio and power
.
2
