Aiphone At 306 Users Manual

AT-406 AT-306 Instructions AT-406Instr Instructions

Aiphone Intercom System AT-306 AT-406 Instr

at4062 d7ac339c-fe1d-4bc6-94f7-5f104366e756 Aiphone Telephone AT-406 User Guide |

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HANDSET INTERCOM
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yodels; AT-406 Set
AT-306 Additional sub
INSTALLATION & OPERATION MANUAL

SYSTEM OUTLINE & COMPONENTS
AT-406 is a Handset Intercom set, allowing two-way calling & communication.
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AT-206

AT-306

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AT-306

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Package Contents
Handset Intercom set (AT-406)
or Sub station (AT-306)
l Mounting bracket
l Packet of screws
l Installation & Operation Manual

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A T - 3 0 6 ’I

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Components available
AT-406 Boxed set
AT-406P Decorative boxed set (N/A in USA)
AT-306 Add-on sub (add’1 2 pcs max.)

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Power supply:
SKK-620 in USA or PS-GD, or 4 pcs SUM-3(AA) batteries.
TAR-3 relay for external signalling device.
Powered by a separate 6V DC power supply.

NAMES & FEATURES
Features

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AT-306
sub

AT-206
master
Battery check
LED

2-handset communication system
suited for:
R.V. cab-to-camper, Boat deck-to-cabin,
Limo. chauffer to back seat, and
Restaurant kitchen to bar, etc.

CALL button

CALL button
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Battery
compartment

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Up to 3 subs
Electronic call tone, not adjustable
Front loading batteries
Battery or DC powered
External signalling device

PRECAUTIONS ON INSTALLATION & WIRING
Mounting
AT-406 set is designed for indoor use only. Do not install outdoors.
It must be used in wall-mounted applications only.

= Loading batteries
Slide down front battery cover. Place four SUM-3 (AA)
batteries into compartment. Observe polarity.

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Wiring
AT-406 can be wired with 2 non-polarized wires. When add-on sub(s) is
installed, connect in loop or home run. Keep audio wires 50cm, 20”
away from any AC wiring, fluorescent lights, dimmer switches, etc.
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External signalling device

Any particular station can be signalled by bell or light, while it rings.
Install TAR-3 relay powered by its own 6V D C power supply (SKK-620
or PS-6D).

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AT-306

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Battery LED indicator

1 . LED is brightly lit.
+ Batteries are powerful enough.
2. Becomes dim during use.
-+ Batteries are getting weaker.
3. LED is no longer lit.
-+ Batteries are exhausted. Replace all
four batteries with new ones.



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