Federal Signal Corporation Atkinson Dynamics AD-26, Руководство по установке и обслуживанию

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GRN BLK WHT
GRN 1 BLK 3 WHT
2
GRN 1 BLK 3 WHT
2
AUDIO
COMMON CONTROL
290A3696
PRIMAR
Y "A"
PRIMAR
Y "B"
SECONDAR
Y
1 3
4 5
2
1
1
3
2
2
1K
1
W
AT
T
SEE POWER CONNECTIONS
BLK WHT GRN
* *
BLK WHT GRN
*
BLK WHT GRN
*
Operating Principle:
•
Primary normally listen to Secondary
.
•
Secondary talks to Primary hands
‑
fr
ee, without having to pr
ess a talk
switch.
•
When any Primary talks, Secondary hears. Other Primary will hear
.
•
To talk into Primary
, 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.
Pr
ess
‑to
‑talk Switch
4.
#137144 hand
‑held, noise
cancelling micr
ophone
5.
3
‑conductor/16–22 gauge cable.
Use shielded cable in electrically noisy ar
eas. Gr
ound one end of the
shield to “earth” gr
ound. Gr
ound
chassis of DC unit to gr
ound.
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
Primary A
Primary B
Secondary
12–18V
DC
AD
‑26C
‑7
AD
‑26C
AD
‑26D
120V 50/60 Hz
AD
‑27C
‑7
AD
‑27C
AD
‑27D
22
‑30V
DC
AD
‑56C
‑7
AD
‑56C
AD
‑56D
240V 50/60 Hz
AD
‑57C
‑7
AD
‑57C
AD
‑57D
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
4