NEC M350X User Manual page 91

[OPTIONS(1)]
OFF ........................ The computer signal will not be automatically adjusted. You can manually optimize the computer signal.
NORMAL ................ Default setting. The computer signal will be automatically adjusted. Normally select this option.
FINE ....................... Select this option if fine adjustment is needed. It takes more time to switch to the source than when [NOR-
MAL]is selected.
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.
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5. Using On-Screen Menu