9
R5912127 /03
SP4K-B
The installer and user must understand the risk and apply protective measures based upon the hazard distance 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 radiation within the hazard distance.
For example, projectors that have a HD greater than 1 m and emit light into an uncontrolled area where persons 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 the floor level. In environments where unrestrained behavior is reasonably foreseeable,
the minimum separation height should be greater than or equal to 3.0 meter to prevent potential exposure, for example by an individual
sitting on another individual's shoulders, within the HD. Sufficiently large separation height may be achieved by mounting the image
projector on the ceiling or through the use of physical barriers.
RA
TH
PR
HD
SW
SW
SW
SW
(B) TOP VIEW
EXIT
SH
LRZ
RA
PR
TH
HD
(A) SIDE VIEW
RZ
SH
LRZ
RZ
Image 1
–
1
A
Side view.
B
Top view.
RA
Restricted Access location (boot area of projector).
PR
Projector.
TH
Theater.
RZ
Restriction Zone in the theater.
SH
Separation Height.
SW
Separation Width.
Based on national requirements, no person is allowed to enter the projected beam within the zone between the projection lens and the
related hazard distance (HD). This shall be physically impossible by creating sufficient separation height or by placing barriers. The
minimum separation height takes into account the surface upon which persons other than operator, performers or employees are
permitted to stand.
On
a typical setup is displayed. It must be verified if these minimum requirements are met. If required 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
.
The restricted area sticker can be replaced by a sticker with only the symbol.
P
R
RZ
RESTRICTED
AREA
R
E
S
T
R
IC
T
E
D
A
R
E
A
Image 1
–
2
USA market
For LIPs (Laser Illuminated Projectors) installed in the USA market other restriction zone conditions apply.
LIPs for installation in restrained environment (cinema theaters, business rooms, class rooms, museums ...) shall be installed at height
vertically above the floor such that the bottom plane of the hazard distance zone shall be no lower than 2.5 meters above the floor.
Horizontal clearance to the hazard distance zone shall be not less than 1 meter. Alternatively, in case the height of the separation barrier
for the horizontal clearance is at least 1 meter high then the horizontal clearance (SW) can be reduced to:
•
0 meter if the height of the hazard zone is minimum 2.5 meter.
•
0.1 meter if the height of the hazard zone is minimum 2.4 meter.
•
0.6 meter if the height of the hazard zone is minimum 2.2 meter.
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