NEC P452H User Manual page 62

Using the Wall Color Correction [WALL COLOR]
This function allows for quick adaptive color correction in applications where the screen material is not white.
Setting various items related to lamp brightness [ECO SETTINGS]
This option allows you to decrease the power consumption or to prolong the lamp life by controlling the lamp brightness.
ECO MODE
The ECO MODE increases lamp life, while lowering power consumption and cutting down on CO2 emissions. Four
brightness modes of the lamp can be selected: [OFF], [AUTO ECO], [NORMAL] and [ECO] modes. (→ page 28)
NOTE: The [OFF] item is automatically selected for [ECO MODE] when [ON] is selected [3D] while images are projected.
AUTO ECO OPTIONS
Set options when [AUTO ECO] is selected for [ECO MODE].
AUTO DIM
NORMAL OPTION
Set the option when [NORMAL] is selected for [ECO MODE].
CONSTANT BRIGHTNESS:
OFF ������������������������ The CONSTANT BRIGHTNESS feature will not work� The lamp brightness will gradually decrease over long
periods of time�
ON ������������������������� The lamp brightness will increase according to the lamp use of time and will be kept at the lamp brightness
equivalent to the brightness at NORMAL� After the lamp brightness reaches the maximum, the lamp bright-
ness will gradually decrease over long periods of time�
ECO OPTION
Set the option when [ECO] is selected for [ECO MODE].
CONSTANT BRIGHTNESS:
OFF ������������������������ The CONSTANT BRIGHTNESS feature will not work� The lamp brightness will gradually decrease over long
periods of time�
ON ������������������������� The lamp brightness will increase according to the lamp use of time and will be kept at the lamp brightness
equivalent to the brightness at ECO� After the lamp brightness reaches the maximum, the lamp brightness
will gradually decrease over long periods of time� The lamp brightness will be kept longer than at NORMAL�
OFF
0:01, 0:03, 0:10, 0:20
(min.)
The AUTO DIM feature will not work.
This option will automatically dim the lamp light when
no input signal is present for a certain period time: 0:01,
0:03, 0:10, and 0:20 (minutes). When it reaches the pre-
set time, the lamp brightness will decrease to about 30%
immediately after the screen becomes dim for a moment.
Changing images will return to its original brightness.
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4. Using On-Screen Menu