Aiphone LEF Series Installation Manual

5 OPERATIONS
■ Receiving
1. Press call button on MY-DC/A(or other video door station).
2. Call tone sounds, selector LED lights on LEF stations, and MYH-CU(B) monitor(s) turn on.
3. Depress the lit station selector button, and to establish communication.
4. Reply to the caller, depressing TALK button, and release to listen.
5. Depress and hold down key-marked button to activate door release.
* Call-in from another door turns on the selector LED, but does not activate video until current call is
finished.
■ Visual monitoring
1. Press MONITOR button to turn on monitor and view door #1.
2. Press MONITOR 2nd or 3rd time to view 2nd and 3rd door areas.
3. Press MONITOR again to turn off.
* The monitoring image remains on for 2-1/2 min.
* Call-in has priority over monitoring.
■ Pan and Tilting a door camera
Turn on MYH-CU(B) monitor(s) with MONITOR button, or depress an assigned selector button
Scan door entry area or overhead MYW-CA surveillance area with PanTilt control pad on
MYH-CU(B). H
- 7 -

Aiphone LEF Series Specifications

General

Material	ABS Plastic
Color	White
Audio Frequency Response	300Hz - 3.4kHz
Wiring	2-wire
Door Release	Yes