Acer X1120H User Manual - Page 6
Protect your hearing, Lamp Hour Reset
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English English vi • Locations near fire alarms. • Locations with an ambient temperature above 40º C/104º F. • Locations where the altitudes are higher than 10,000 feet. • Do not operate if smoke, a strange noise, or an odor are coming out of the projector. In this case, immediately unplug the projector and contact your dealer. • Do not keep using the projector if it has been dropped or damaged. In this case, contact your dealer for inspection. • Do not face the projector lens to the sun. It can lead to fire. • Do not frequently turn off the main power abruptly or unplug the projector during operation. It is best to wait for the fan to turn off before turning off the projector's power. • Do not touch the air outlet grille or bottom plate because they may be hot. • If the projector has an air filter, clean it regularly. If left uncleaned, the temperature inside might rise and cause damage. • Do not look into the air outlet grille when projector is operating. It may hurt your eyes. • Do not block the projector lens with any object when the projector is under operation as this could cause the object to become heated and deformed or even cause a fire. • The lamp becomes extremely hot during operation. Allow the projector to cool for approximately 45 minutes prior to removing the lamp assembly for replacement. • Do not operate lamps beyond the rated lamp life. • Never replace the lamp assembly or any electronic components unless the projector is unplugged. • The product will detect the life of the lamp itself. Change the lamp when the warning message is displayed. • Reset the Lamp Hour Reset function from the onscreen display Management menu after replacing the lamp module. • Do not attempt to disassemble the projector, as opening or removing covers may expose you to dangerous voltage points or other risks. Refer all servicing to qualified service personnel. • Do not stand the projector on its end vertically. The projector may fall over, causing injury or damage. • This product is capable of displaying inverted images for ceiling-mounted installation. Only use an Acer ceiling mount kit and ensure it is securely installed. Protect your hearing To protect your hearing, follow these instructions. • Increase the volume gradually until you can hear clearly and comfortably.