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OPERATIONS & SPECIFICATIONS
OPERATIONS:
Calling a master or sub:
1. Depress a station selector button 1 ~ 3.
2. Press the TALK button to speak, and release to listen to the reply.
3. To conclude, depress OFF button.
Receiving a call from a sub station:
1. Sub station calls in with tone and LED, which stays lit for 20 seconds.
2. Depress the lit station selector button.
3. Press the TALK button to speak, and release to listen.
4. Communication at the door station is hands free.
5. Depress OFF button when fi nished.
Receiving call from another master:
1. When a master calls to another master (without tone & LED), the responding master answers back handsfree.
2. The Occupied lamp will be on while the initiating master has a station selected.
3. Do not press any buttons on the master when responding to another masters call.
Door answering (from a master station only):
1. Audio door station calls in with an electronic call tone & LED, which stays lit for 20 seconds.
2. Depress the lit selector button, then press TALK to speak, release to listen.
Door release with “LOCK” button:
LEF-3L provides selective door release to multiple doors (One RY-PA for each door). When communication is
established to a door station, press the Door release (
) button to release the corresponding door strike.
Camera Call-up feature:
If the "Camera Call-up" feature is included, the associated relay will provide a maintained closure as long as the station
is selected at the master.
NOT E :
The LEF-3L does not have the "privacy feature", and also cannot send a call tone to another master or remote station in the system.
SPECIFICATIONS:
Power Source: 12V DC at master. Use PS-1225, 1225UL, 1225S (2.5A) or PS-1215 DIN (1.5A). Do not use AC
power. Damage to the unit will result.
Current Consumption: 440mA
Communication Output: 800mW @ 20 ohms (receive); 500mW @ 20 ohms (transmit)
Communication: Push-to-talk, release-to-listen at master station (LEF-3L). Hands free at sub station.
Calling: Master to sub: By voice
Sub to master: Call tone and LED
Wiring: 2 common plus 1 individual per sub, looped; or 3 conductors homerun from each sub.
2 conductors homerun from each sub in a single-master system only.
Use Aiphone #822202 or #821802 ( 2 cond., 22 or 18AWG), or #822203 (3 cond. 22AWG)
12 conductors between master stations. Use Aiphone #822212. (North America only)
Shielded cable is strongly recommended.