ENGLISH - 9
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Hazard distance (IEC 62471-5:2015)
The distance from the projection lens surface, at which the level of exposure has reached the level of the
applicable Exposure Limit Value, is known as the hazard distance (HD) or safety distance.
Do not look into the projected light from inside the hazard distance (within RG3 range). The eyes may be damaged
by the direct irradiation. It is considered to be safe to look into the projected light from outside the hazard distance
(within RG2 range).
RG2
HD
D3
D4
RG3
RG2
HD
D1
D2
RG3
Except ET-D3LEU100, ET-D3LEW200, ET-D75LE95
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Risk group
The combination of the projector and the projection lens is categorized as the risk group 2 when the hazard
distance is less than 1 m (39-3/8
"
). It is categorized as the risk group 3 when the hazard distance exceeds 1 m
(39-3/8
"
), and it will be for professional use instead of consumer use.
In case of risk group 3, there is a possibility of damaging the eyes by direct irradiation when looking into the
projection light from inside the hazard distance (within RG3 range).
In case of risk group 2, it can be used safely without damaging the eyes in any condition.
Combinations with any projection lens are categorized as risk group 3 for this projector.
Each dimension inside the hazard distance (within RG3 range) for combination with projection lens which the
hazard distance exceeds 1 m (39-3/8") is as follows.
(Unit: m)
Projection lens
Model No.
HD
*1
D1
*2
D2
*2
D3
*2
D4
*2
ET-D3LEW10
1.2
0.68
0.68
0.72
0.72
ET-D75LE10
1.2
0.68
0.68
0.72
0.72
ET-D3LES20
ET-D75LE20
1.7
0.73
0.73
0.78
0.78
ET-D3LET30
ET-D75LE30
3.2
0.94
0.94
1.01
1.01
ET-D3LET40
ET-D75LE40
4.8
0.74
0.74
0.79
0.79
ET-D3LET80
ET-D75LE8
7.8
0.76
0.76
0.81
0.81
*1
HD: Hazard Distance
*2 The values of D1 to D4 will change in accordance with the lens shift amount. Each value in the table is the maximum value.
Note
f
The value in the table is based on IEC 62471-5:2015.
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Страница 58: ...58 ENGLISH Chapter 3 Basic Operations This chapter describes basic operations to start with ...
Страница 198: ...198 ENGLISH Chapter 5 Operations This chapter describes how to use each function ...
Страница 239: ...ENGLISH 239 Chapter 7 Appendix This chapter describes specifications and after sales service for the projector ...