NEC NP-PA622U User's Manual - Page 110
Selecting Aspect Ratio and Position for Screen [SCREEN TYPE]
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5. Using On-Screen Menu Selecting Aspect Ratio and Position for Screen [SCREEN TYPE] Screen type Sets the aspect ratio of the projection screen. FREE The ratio of the liquid crystal panel is selected. Select this when projecting multi-screen and 17:9 screen (2K). 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 80) 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 lamp brightness. Selecting Fan Mode [FAN MODE] Fan Mode is used to set the speed of the internal cooling fan. MODE Select three modes for fan speed: AUTO, HIGH, and HIGH ALTITUDE. AUTO: The built-in fans automatically run at a variable speed according to the internal temperature. HIGH: The built-in fans run at high speed HIGH ALTITUDE: The built-in fans run at a high speed. Select this option when using the projector at altitudes approximately 5500 feet/1600 meters or higher. To use the projector with ECO MODE ON in other installed conditions than desktop/ceiling with +/-20°, heed the following: (1) Select [HIGH ALTITUDE] for [MODE] at altitude 3200 feet/1000 meters. (2) Select [OFF] for [ECO MODE] at altitude 6800 feet/2100 meters or higher. NOTE: • Make sure the speed is set to [HIGH] when you are using this device continuously for several days. • Set [FAN MODE] to [HIGH ALTITUDE] when using the projector at altitudes approximately 5500 feet/1600 meters or higher. • Using the projector at altitudes approximately 5500 feet/1600 meters or higher without setting to [HIGH ALTITUDE] can cause the projector to overheat and the protector could shut down. If this happens, wait a couple minutes and turn on the projector. • Using the projector at altitudes less than approximately 5500 feet/1600 meters and setting to [HIGH ALTITUDE] can cause the lamp to overcool, causing the image to flicker. Switch [FAN MODE] to [AUTO]. • Using the projector at altitudes approximately 5500 feet/1600 meters or higher can shorten the life of optical components such as the lamp. • Your setting will not be affected even when [RESET] is done from the menu. TIP: • When [HIGH ALTITUDE] is selected for [FAN MODE], a symbol icon will be displayed at the bottom of the menu. 97
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