Radiation Zone (Hd: Hazard Distance) - Ricoh PJ RU7700L Series User Manual

 If lens shift
is utilized, please
consider the shift
of projected image
according to the
position of lens shift.
 Precautionary
zone is a range of 1m
around Hazard zone.

Radiation Zone (HD: Hazard Distance)

•
The below table describes the radiation zone 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 Hazard zone. For the barrier installation position, keep
Precautionary zone over 1 m from the Hazard zone. The
equipment administrator (operator) must control the entry of
viewers into the Hazard zone.
•
When using an ultra-short focus lens (replacement lens type EM0),
people must be restricted from entering the space between the
projector and screen if bottom height of the Hazard zone is lower
than 3m. It is recommended to use this like signage.
!
WARNING
•
This projector is an RG3 product. The projector is for professional use and
must be installed in location where safety is assured. For this reason, be
sure to consult your dealer as installation and attachment/detachment
of the lens unit must be performed by a professional service personnel.
Never try to install the projector by yourself. This may result in visual
impairment etc.
Lens
REPLACEMENT LENS TYPE E1
REPLACEMENT LENS TYPE E2
REPLACEMENT LENS TYPE EM1
REPLACEMENT LENS TYPE EM2
REPLACEMENT LENS TYPE EM3
The drawings below are example of typical installation methods.
Besides these, when installing the projector at an angle, a
Precautionary zone is required in the same way.
The values of H and L in the figure change according to the amount
of lens shift and the magnification ratio.
When installed on a
floor or a desktop
Usage Notice
HD(m)
1.223
2.483
1.055
1.218
2.346
HD
Precautionary zone
(1m)
[Plan view]
Hazard zone
11
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