Acer K335 User Manual - Page 31
Setting, Management - lamp
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21 Setting English Closed Caption Reset Selects a preferred closed captioning mode from CC1, CC2, CC3, CC4, (CC1 displays captions in the primary language in your area). Select "Off" to turn off the captioning feature. This function is only available when a composite video or S-Video input signal is selected and its system format is NTSC. Set your screen aspect ratio to 4:3. This function is not available when the aspect ratio is "16:9" or "Auto" . Press the button and choose "Yes" to return the parameters on all menus to the factory default settings. Management ECO Mode High Altitude Turn Off Mode Auto Shutdown LED Calibration Choose "On" to dim the projector lamp which will lower power consumption, extend the lamp life and reduce noise. Choose "Off" to return normal mode. Choose "On" to turn on High Altitude mode. Operate the fans at full speed continuously to allow for proper high altitude cooling of the projector. • Instant Off: Shuts down the projector without fan cooling. • Instant Resume: Resumes the system when the Power button is pressed again within 2 minutes. The projector will automatically shutdown when there is no signal input after the allocated time. (default is 120 minutes) Press after choosing "Yes", please wait for 10 seconds to finish the white color fine tune process. It helps to adjust LED color performance.