NEC NP-PX2201UL User Manual - Page 15
Radiation Zone HD: Hazard Distance, RG3 of IEC/EN 62471-5 First edition 2015.
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Radiation Zone (HD: Hazard Distance) Important Information • The below table describes the radiation range of emitted light by the projector that is classified as Risk Group 3 (RG3) of IEC/EN 62471-5 First edition 2015. • Please keep within bounds for installing the projector. Install a barrier for preventing human eyes from entering the RG3 zone. For the barrier installation position, keep horizontal safety zone over 1 m (2.5 m for USA) from the RG3 zone. In case to install the projector over head, keep over 3 m distance at least between the floor surface and the RG3 zone. This projector must be installed at a height that will prevent your eyes from being exposed within the RG3 zone. The equipment administrator (operator) must control the entry of viewers into the RG3 zone. Lens NP45ZL NP46ZL NP47ZL NP48ZL NP49ZL Wide Tele Wide Tele Wide Tele Wide Tele Wide Tele RG3 HD (m) 1.0 1.0 1.5 1.8 1.8 2.4 2.4 3.0 4.2 4.8 Screen size (m) H V 1.11 0.69 0.83 0.52 1.25 0.78 1.15 0.72 1.20 0.75 1.20 0.75 1.20 0.75 0.75 0.47 1.05 0.66 0.69 0.43 The drawings below are example of typical installation methods. Besides these, when installing the projector at an angle, a security zone is required in the same way. When installed on a floor or a desktop Horizontal security zone: over 1 m (2.5 m for USA) H [Plan view] RG3 zone Horizontal security zone: over 1 m (2.5 m for USA) When installed on a ceiling HD V floor [Side view] RG3 zone Vertical security zone: over 3 m * If lens shift is utilized, please consider the shift of projected image according to the volume of lens shift. xiv