The LEF-1C is an open voice sub master station for the Aiphone Master Sentry series. It provides door answering and door release, as well as the ability to make an All Call announcement throughout the system. Music can be heard through every station. The LEF-1C is for use in systems containing the BG-10C, which provides door chime, All Call and music. Music and voice volume controls are included.
A call from the door station sounds a 4-stroke chime at all master and sub master stations. To answer, press to talk and release to listen at the LEF-1C. The person at the door station speaks hands free. A door release mechanism can be activated by pressing the door release button.
To place an "All Call", press and hold the "All Call" button while making an announcement. A short pre-tone will precede the All Call at the other stations. There is no hands free reply after placing an All Call. However, other masters and sub masters can respond by using their "All Call" button.
The LEF-1C flush mounts into a wall. Additional sub and master stations are available in surface or flush mount styles. Outdoor stations are available in surface or flush mount styles.