Chapter 7 Appendix — Precautions for Attaching Ceiling Mount Bracket154 - ENGLISHPrecautions for Attaching Ceiling Mount Bracketf When installing the projector to a ceiling, be sure to use the specified optional Ceiling Mount Bracket as the followingcombinations: ET-PKD120H (for High Ceilings) and ET-PKE300B (Projector Mount Bracket) ET-PKD120S (for Low Ceilings) and ET-PKE300B (Projector Mount Bracket)Other combination is not available.f When installing the projector, attach the drop-prevention wire supplied with the Projector Mount Bracket.f Ask a qualified technician to do the installation work such as mounting the projector on the ceiling.f Panasonic takes no responsibility for any accident, damage, damages to the projector resulting from use of a ceiling mountbracket not manufactured by Panasonic, optional Ceiling Mount Bracket combinations not specified , installation method notdescribed in installation manual, optional accessories not specified or the inappropriate choice of location for installation,even if the warranty period of the projector has not expired.f Unused products must be removed promptly by a qualified technician.f Use a torque screwdriver or Allen torque wrench to tighten bolts to their specified tightening torques. Do not use electricscrewdrivers or impact screwdrivers.f Read the Installation Instructions for the Ceiling Mount Bracket for details.f The model numbers of accessories and optional accessories are subject to change without prior notice.M4M4M4M4M4M6M6M6M6M6M6Notef You can also use the existing ceiling mount bracket ET-PKF110H (for High Ceilings) or ET-PKF110S (for Low Ceilings).Model No. of Ceiling Mount Bracket (Supplement): ET-PKF110H (for High Ceilings) ET-PKF110S (for Low Ceilings)Bottom view Model No. of Ceiling Mount Bracket: ET-PKD120H (for High Ceilings)ET-PKE300B (Projector Mount Bracket) ET-PKD120S (for Low Ceilings)ET-PKE300B (Projector Mount Bracket)Torque: (M6) 4 ± 0.5 N·m12 mm(15/32")M4M4M4M4M4M6M6M6M6M6Bottom view Model No. of Ceiling Mount Bracket: ET-PKF110H (for High Ceilings) ET-PKF110S (for Low Ceilings)Torque: (M4) 1.25 ± 0.2 N·m8 mm( 5/16")