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4. Convenient Features
❺ 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 [ON]. This feature is called [CARBON METER].
There are two messages: [TOTAL CARBON SAVINGS/TOTAL COST SAVINGS] and [CARBON SAVINGS-SESSION].
The [TOTAL CARBON SAVINGS/TOTAL COST SAVINGS] message shows the total amount of CO
2
emission reduc-
tion and the electricity cost savings from the time of shipment up to now. You can check the information on [USAGE
TIME] from [INFO.] of the menu. (→ page 77)
The [CARBON SAVINGS-SESSION] message shows the amount of CO
2
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
2
emission reduction.
Amount of CO
2
emission reduction = Power consumption in OFF for ECO MODE – Power consumption in ON for ECO MODE ×
CO
2
conversion factor.*
* Calculation for amount of CO
2
emission reduction is based on an OECD publication “CO
2
Emissions from Fuel Combustion,
2008 Edition”.
• This formula will not apply to the power consumption which is not affected by whether [ECO MODE] is turned on or off.
• The factors for [TOTAL COST SAVINGS] can be changed from the menu ([CARBON CONVERT] and [CURRENCY CONVERT]). (→
page 73, 74)
• The currency unit for [TOTAL COST SAVINGS] can be changed from the menu ([CURRENCY]). (→ page 74)