Aiphone LEF-3 Installation & Operation Manual page 13

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OPERATIONS on LEF
# LEF is a single talkpath system. While the Occupied LED is lit, do not attempt to select
a station or initiate an All Call.
# If called by a master and sub at the same time, reply to the master's call handsfree first.
When the Occupied LED goes off, select the sub station that called.
Speaker
Call-in LED 1~3
Station-selector
button 1~3
Voice volume
control
Calling a master or sub:
1. Depress a station selector button 1 ~ 10.
2. Push the TALK button to speak, and release to listen to the reply.
3. If you wish to ring a tone as an attention-getter, press the PRIV (privacy) and TALK buttons together. Release the PRIV
button and hold the TALK button down to speak to the called station.
4. To conclude, depress OFF button.
Receiving a call from a sub station:
1. Sub station calls in with tone and call-in LED, which stays lit for approx. 20 seconds.
2. Depress the lit station selector button.
3. Push the TALK button to speak, and release to listen.
4. Depress OFF button when finished.
Receiving a call from another master:
1. When a master calls to another master, no station LEDs light up, and the responding master answers back handsfree.
2. In-use LED will be on while the initiating master has a station selected.
3. Do not press any buttons on the master when responding to another master's call. If the privacy feature is engaged,
push TALK button momentarily to release before responding. To set the master in privacy mode after communication,
press PRIV button again.
Door answering (from a master station only):
1. Audio door station calls in with an electronic call tone & LED, which stays lit for approx. 20 seconds.
NOTE: A 4-stroke chime tone can be heard through the inside stations when a door station calls in if the BG-10C is
included in the system. (Up to 3 door stations can activate chime sound.)
2. Depress the lit selector button, then press TALK to speak, release to listen.
Door release with " " button:
LEF-5, LEF-10, and LEF-10S provide selective door release to multiple doors (one RY-PA for each door). When
communication is established to a door station, press the "
All Call with "ALL CALL" button:
On LEF-10S station only, the all call feature allows an announcement to be made to all the stations in the system.
IMPORTANT: The BG-10C is required to make this feature operable.
1. Press ALL CALL button.
2. Press TALK to make an announcement.
3. Press ALL CALL button again to release.
LEF-3
Microphone
In-use LED
(occupied)
Privacy button
& LED
1 2 3
CALL
OFF OCCUPIED PRIV TALK
Talk (listen)
button
OFF button (w/ON LED)
Speaker
Call-in LED
1~10
Station-selector
1
button 1~10
In-use LED
(occupied)
Voice volume
control
All Call transmit button
& LED (LEF-10S only)
" button to release the corresponding door strike.
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LEF-5, 10, 10S
2 3 4 5 6 7 8 9 10
OFF
CALL
VOICE VOL OCUPIED ALL CALL PRIV TALK
Door release button
Microphone
ON LED
OFF switch
Talk (listen)
switch
Privacy button
& LED