12 - ENGLISH
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Hazard distance (IEC/EN 62471-5:2015)
Thedistancefromtheprojectionlenssurface,atwhichtheemissionreachestheAccessibleEmissionLimit(AEL)
ofriskgroup2,isknownasthehazarddistance(HD)orsafetydistance.Theareawheretheemissionexceeds
theAccessibleEmissionLimitofriskgroup2iscalledthehazardzone(HZ).
Withinthehazardzone,neverlookintothelightprojectedfromtheprojector.Theeyesmaybedamagedbydirect
irradiationevenifyoulookatthelightjustforamoment.Ifyouareoutsidethehazardzone,itisconsideredtobe
safeinallcircumstancesexceptdeliberatelystaringintothelightprojectedfromtheprojector.
HD
D3
D4
HZ
HD
D1
D2
HZ
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Risk group
Thecombinationoftheprojectorandtheprojectionlensiscategorizedasriskgroup2whenthehazarddistance
is1m(39-3/8")orless.Itiscategorizedasriskgroup3whenthehazarddistanceexceeds1m(39-3/8
"
),andit
willbeforprofessionaluseinsteadofconsumeruse.
Incaseofriskgroup3,thereisapossibilityofdamagingtheeyesbydirectirradiationwhenlookingintothe
projectionlightfrominsidethehazardzoneevenforamoment.
Inthecaseofriskgroup2,safeusewithoutdamagingtheeyesispossibleinallcircumstancesexceptdeliberately
staring into the light projected from the projector.
Thecombinationoftheprojectorandtheprojectionlenswhichthehazarddistanceexceeds1m(39-3/8")andis
categorizedasriskgroup3isasfollows.
Model No. Projection lens Model No. Risk group
PT-REQ12
*1
PT-REQ10
*1
PT-REQ80
*1
ET-C1T700
Riskgroup3
*1 WhenPT-REQ12/PT-REQ10/PT-REQ80isusedwiththeZoomLens(ModelNo.:ET-C1T700)attatched,thehazarddistanceexceeds1m
(39-3/8"),andregardlessoftheusecondition,thethrowratioislargerthan2.0:1.Inthiscase,itiscatagorizedastheriskgroup3.
DPQT1687ZA
2.0
2.0
2.0
2.0
2.0
2.0
Indicated on the projector