21
Operating Principle:
•
Primary pr
esses talk switch to talk to
remote.
•
Primary can tur
n monitor switch on and
hear
everything going on at r
emote.
•
When Primary monitor switch is of
f,
remote must pr
ess talk switch to talk to
Primary
.
•
When Primary monitor switch is on,
remote can talk to Primary hands
‑fr
ee
without pr
essing the talk switch.
•
Primary supplies power to r
emote unit.
NOTES:
1.
Speaker/Micr
ophone
2.
Of
f/On/Speaker V
olume Contr
ol
3.
Pr
ess
‑T
o‑
Talk Switch
4.
Primary Monitor Switch
Power
Primary
Remote
Not applicable
AD
‑26
‑1
‑2
120V 50/60Hz
AD
‑27C
‑1
‑M22
POWER CONNECTIONS:
BLK
HOT
120/240V models
WHT
Neutral
120/240V models
GRN
Earth Gr
ound
120/240V models
GRN
BLK
WHT
GRN
BLK
WHT
AUDIO
COMMON
CONTROL
RED
RED
(+) POWER
290A4070
PRIMAR
Y
REMOTE
1
3
2
4
1
3
2
1K
1
W
AT
T
SEE POWER CONNECTIONS
BLK WHT GRN
*
*
14
