TECHNICAL KNOWLEDGE BASE
Videos
Videos
Videos
LEF Series Door Release Wiring
This short video explains how door release wiring works on the LEF Series. Read More
LEF General Installation and Operation Guide
The video provides a general overview of the LEF Series, including wiring and operation. … Read More
External Signaling with the RY-AC/A Relay on the LEF Series
How to use the RY-AC/A External Signaling Relay with the LEF Series. You can also see the attached instructions. Read More
Video: LEF Series Volume Control
This video goes over how adjust communication and chime volumes on an LEF Series answering station. … Read More
LEF Series with 8-Ohm Speaker
This video goes into how to add an 8-Ohm speaker in place of a door station on the LEF Series. … Read More
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