NEC P502WL - Checking Energy-Saving Effect [CARBON METER]

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3. Convenient Features
Checking Energy-Saving Effect [CARBON METER]
Thisfeaturewillshowenergy-savingeffectintermsofCO
2
emissionreduction(kg)whentheprojector’s[ECOMODE]
issetto[ECO1]or[ECO2].Thisfeatureiscalledas[CARBONMETER].
Therearetwomessages:[TOTALCARBONSAVINGS]and[CARBONSAVINGS-SESSION].The[TOTALCARBON
SAVINGS]messageshowsthetotalamountofCO
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emissionreductionfromthetimeofshipmentuptonow.Youcan
checktheinformationon[USAGETIME]from[INFO.]ofthemenu.(→page65)
The[CARBONSAVINGS-SESSION]messageshowstheamountofCO
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emissionreductionbetweenthetimeof
changingtoECOMODEimmediatelyafterthetimeofpower-onandthetimeofpower-off.The[CARBONSAVINGS-
SESSION]messagewillbedisplayedinthe[POWEROFF/AREYOUSURE?]messageatthetimeofpower-off.
TIP:
• TheformulaasshownbelowisusedtocalculatetheamountofCO
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emissionreduction.
 AmountofCO
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emissionreduction=(Powerconsumptionin[OFF]for[ECOMODE]−Powerconsumptionin[ECO1]/[ECO2]for
[ECOMODE])×CO
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conversionfactor.*WhentheimageisturnedoffwiththeAV-MUTEbutton,theamountofCO
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emmission
reductionwillalsoincrease.
* CalculationforamountofCO
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emissionreductionisbasedonanOECDpublication“CO
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EmissionsfromFuelCombustion,
2008Edition”.
• The[TOTALCARBONSAVINGS]iscalculatedbasedonsavingsrecordedin15minutesintervals.
• Thisformulawillnotapplytothepowerconsumptionwhichisnotaffectedbywhether[ECOMODE]isturnedonoroff.