R5906151 /02 XDL 17persons other than operators, performers, or employees are permitted to stand or less than 1.0 meter (SW)lateral separation from any place where such persons are permitted to be. In environments whereunrestrained behavior is reasonably foreseeable, the minimum separation height should be greater than orequal to 3.0 meter to prevent potential exposure, for example by an individual sitting on another individual'sshoulders, within the HD.These values are minimum values and are based on the guidance provided in IEC 62471-5:2015 section6.6.3.5.The installer and user must understand the risk and apply protective measures based upon the hazarddistance as indicated on the label and in the user information. Installation method, separation height, barriers,detection system or other applicable control measure shall prevent hazardous eye access to the radiationwithin the hazard distance.For example, projectors that have a HD greater than 1 m and emit light into an uncontrolled area wherepersons may be present should be positioned in accordance with “the fixed projector installation” parameters,resulting in a HD that does not extend into the audience area unless the beam is at least 2.0 meter above thefloor level. In environments where unrestrained behavior is reasonably foreseeable, the minimum separationheight should be greater than or equal to 3.0 meter to prevent potential exposure, for example by an individualsitting on another individual's shoulders, within the HD. Sufficiently large separation height may be achievedby mounting the image projector on the ceiling or through the use of physical barriers.RATHPRRZHDSW1mSWSWSWHDEXITSHRAPRTHRZSH(B) TOP VIEW(A) SIDE VIEWImage 1-1A Side view.B Top view.RA Restricted Access location (boot area ofprojector).PR Projector.TH Theater.RZ Restriction Zone in the theater.SH Separation Height.SWSeparation Width.Based on national requirements, no person is allowed to enter the projected beam within the zone betweenthe projection lens and the related hazard distance (HD). This shall be physically impossible by creatingsufficient separation height or by placing barriers. The minimum separation height takes into account thesurface upon which persons other than operator, performers or employees are permitted to stand.On Image 1-2 a typical setup is displayed. It must be verified if these minimum requirements are met. Ifrequired a restricted zone (RZ) in the theater must be established. This can be done by using physical barrier,like a red rope as illustrated in Image 1-2.The restricted area sticker can be replaced by a sticker with only the symbol.Safety