Busch-Präsenzmelder 6819 Installation and Operating Manual

This document is a multilingual installation and operating manual for the Busch-Präsenzmelder series (6819/30, 6819/31, 6819/60), which are ceiling-mounted presence detectors used for automatic lighting control based on brightness and motion detection. It covers safety warnings, technical specifications, mounting instructions, detection ranges, commissioning, and operating modes including automatic, semi-automatic, and short-time pulse.