NEC LT280 User Manual page 88

Using the Wall Color Correction [Wall Color]
This function allows for quick adaptive color correction in applications where the screen material is not white.
The following nine options are available.
Setting Lamp Mode to Normal or Eco [Lamp Mode]
This feature enables you to select two brightness modes of the lamp: Normal and Eco modes. The lamp life can be
extended by using the Eco mode. Selecting Eco mode decreases fan noise compared to in Normal mode.
Normal Mode ........ This is the default setting (100% Brightness).
Eco Mode .............. Select this mode to increase the lamp life (80% Brightness).
NOTE: If the projector is overheated in Normal mode, there may be a case where the Lamp mode will be forced into the Eco mode to
protect the projector. This mode is called "forced Eco mode".
During "forced Eco mode" cannot be changed from the menu.When the projector is in forced Eco mode, the picture brightness
decreases.
When the projector comes back to normal temperature, the Lamp mode returns to Normal mode.
The LAMP indicator's steady green light indicates the lamp is in Eco mode.
Selecting Menu Mode [Menu Mode]
This feature allows you to select two menu modes: Basic Menu and Advanced Menu.
Basic Menu ........... This is the basic menu that contains minimum essentials of menus and commands.
Advanced Menu ..... This is the menu that contains all the available menus and commands.
Selecting Menu Language [Language]
You can choose one of 21 languages for on-screen instructions.
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6. Using On-Screen Menu