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4. Convenient Features
Checking Energy-Saving Effect
This feature will show energy-saving effect in terms of CO
2
emission reduction (kg) when the projector’s [Lamp
mode] is set to [Quiet]. This feature is called as [Carbon meter].
There are two messages: [Total carbon savings] and [Carbon savings-Session]. The [Total carbon savings] mes-
sage shows the total amount of CO
2
emission reduction from the time of shipment up to now. You can check the
information on [Usage time] from [Information] of the menu. See page
The [Carbon savings-Session] message shows the amount of CO
2
emission reduction between the time of
changing to [Quiet] mode immediately after the time of power-on and the time of power-off. The [Carbon sav-
ings-Session] message will be displayed in the [Push POWER button again to turn off power/ Carbon savings-
Session/23.220(g-CO2)] 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 [Quiet] for [Lamp mode] – Power consumption in [Quiet] for Lamp mode x 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 [Lamp mode] is set to [Quiet] or not.