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3. Convenient Features

Checking Energy-Saving Effect [CARBON METER]

Thisfeaturewillshowenergy-savingeffectintermsofCO

emissionreduction(kg)whentheprojector’s[ECOMODE]

issetto[OFF],or[ON].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

emissionreductionfromthetimeofshipmentuptonow.Youcan

checktheinformationon[USAGETIME]from[INFO.]ofthemenu.(→page133)

The[CARBONSAVINGS-SESSION]messageshowstheamountofCO

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

emission reduction.

 AmountofCO

emissionreduction=(PowerconsumptioninOFFforECOMODE−PowerconsumptioninONforECOMODE)×

conversionfactor.*WhentheimageisturnedoffwiththeAV-MUTEbuttontheamountofCO

emmission reduction will also

increase.

* CalculationforamountofCO

emissionreductionisbasedonanOECDpublication“CO

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.

NEC PA721X User Manual

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