NEC PH3501QL User Manual page 113

Selecting Aspect Ratio and Position for Screen [SCREEN TYPE]
Sets the aspect ratio of the projection screen.
FREE ...................... The ratio of panel is selected. Select this when projecting 17:9 screen (4K).
4:3 SCREEN ........... For a screen with a 4:3 aspect ratio
16:9 SCREEN ......... For a screen with a 16:9 aspect ratio
16:10 SCREEN ....... For a screen with a 16:10 aspect ratio
NOTE:
• After changing the screen type, check the setting of [ASPECT RATIO] in the menu. (→ page 85)
Using the Wall Color Correction [WALL COLOR]
This function allows for quick adaptive color correction in applications where the screen material is not white.
NOTE: Selecting [WHITEBOARD] reduces light source brightness.
Selecting Fan Mode [FAN MODE]
Fan Mode is used to set the speed of the internal cooling fan.
AUTO ..................... The built-in fans automatically run at variable speed according to the detected temperature and atmospheric
pressure by the built-in sensor.
HIGH ...................... The built-in fans run at high speed
LOW ...................... The fan speed is decreased, reducing noise.
NOTE:
• Make sure the speed is set to [HIGH] when you are using this device continuously for several days.
• Set [FAN MODE] to [AUTO] when using the projector at altitudes approximately 5500 feet/1700 meters or higher.
• Using the projector at altitudes approximately 5500 feet/1700 meters or higher without setting to [AUTO] can cause the projector
to overheat and the protector could shut down. If this happens, wait a couple minutes and turn on the projector.
• Internal parts may need to be replaced earlier in the following situations.
• When using this unit at a high altitude
• When the unit is used in a high temperature environment
• When the unit is used with the fan mode set to [LOW]
• Your setting will not be affected even when [RESET] is done from the menu.
• Using the unit continuously with the fan mode set to [LOW] will reduce the service life of the light source.
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5. Using On-Screen Menu