[. . . ] LNS-M01 LNS-S01 LENS REPLACEMENT AND INSTALLATION PROCEDURE NOTES ON LENS INSTALLATION Lens installation should be performed by the qualified service personnel. [. . . ] (At the step 4 , insert the light-block sheet in the same position as the removed cover plate has been placed. Two screws are not used. ) Use the light-block sheet included with lens. Set the light-block sheet, so that the large rounder side is set over the lens. Set the light-block sheet, so that the large rounder side is set over the lens. D A Fig-1 LOWER LENS COVER REMOVE THE COVER PLATE OF THE LENS COVER. (See figure-2) SCREWS Fig-2 COVER PLATE IN CASE OF MODEL WITH LENS REMOVE THE LENS. Remove screws D (4 screws) which fastens the lens and remove the lens. Figure shown inside of the cabinet. (D) (D) LENS MOTOR (D) (D) B A WIRE HOLDER LENS MOTOR LEAD CONNECTOR " K16B" Fig-3 3 INSTALL THE LENS. Mount the lens at the lens mounting bracket with screws (4 screws) included with the lens. [. . . ] If the installation of the light-block sheet is incorrect, there will be the space between lens and the lens cover, so that it will be the cause of leakage of light or the dust entering at the main cabinet. [. . . ]