3ContentsImportant safety instructions......................................................................................................... 4Limitation of liability ....................................................................................................................... 4Disclaimer of warranty ................................................................................................................... 5Preface .......................................................................................................................................... 5About notations ............................................................................................................................. 5Main functions ............................................................................................................................... 6About the user manuals ................................................................................................................ 6System requirements for a PC ...................................................................................................... 7Trademarks and registered trademarks......................................................................................... 8Open Source Software .................................................................................................................. 8Copyright ....................................................................................................................................... 8Network security ........................................................................................................................... 8Precautions ................................................................................................................................... 9Precautions for installation .......................................................................................................... 13Parts and functions ..................................................................................................................... 15Preparations ................................................................................................................................ 16Processing the ceiling or wall ...................................................................................................... 19Connection .................................................................................................................................. 20Installation ................................................................................................................................... 21Configure the network settings ................................................................................................... 22Adjustment .................................................................................................................................. 24Troubleshooting ........................................................................................................................... 26Specifications .............................................................................................................................. 28Standard accessories .................................................................................................................. 33Optional accessories ................................................................................................................... 33