NEC NP-PA1004UL-B User Manual - Page 151
Selecting Fan Mode [FAN MODE], Select one among four modes: [AUTO], [NORMAL], [HIGH]
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5. Using On-Screen Menu Selecting Fan Mode [FAN MODE] Fan Mode is used to set the speed of the internal cooling fan. MODE Select one among four modes: [AUTO], [NORMAL], [HIGH], and [HIGH ALTITUDE]. AUTO The built-in fans automatically run at variable speed according to the detected temperature and atmospheric pressure by the built-in sensor. NORMAL The built-in fans run at the appropriate speed based on the detection by the built-in temperature sensor. HIGH The built-in fans run at high speed HIGH ALTITUDE The built-in fans run at high speed. Select this option when using the projector at altitudes approximately 5500 feet/1700 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 [AUTO] or [HIGH ALTITUDE] 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] or [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/1700 meters and setting to [HIGH ALTITUDE] can cause the projector to overcool, causing the image to flicker. Switch [FAN MODE] to [AUTO]. • Using the projector at altitudes approximately 5500 feet/1700 meters or higher can shorten the life of optical components such as the light source. • 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. 127