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Menu Settings
112
High altitude
Switch the fan mode to suit installation at low or high altitudes (above 2,300 m [7,545.8']).
Option Function
Off Setting for altitudes lower than 2,300 m (7,545.8').
On Setting for altitudes of 2,300 m (7,545.8') or higher.
Operating mode
Switch the method of controlling the light source and fan.
Option Function
Normal Normal drive mode. Brightness will decrease with time.
Fixed brightness
Maintains nearly the same brightness set at installation. Laser diode
wear is detected by a sensor, and current is increased to compensate for
wear.
Long duration 1
Enables a relatively longer useful life of optical parts by reducing the
brightness level of the light source mode and regulating the fan drive.
Long duration 2
Enables an even longer useful life of optical parts by further reducing the
brightness level of the light source mode and more aggressively
regulating the fan drive.
• [Registration] and [Advanced registration] settings are retained even if you change
the panel drive mode.
• 5-point adjustment enables basic correction of color misalignment across the
screen, by moving adjustment points in the center and each corner. To correct
registration only in certain areas, try manual adjustment.
• Any values you set in 5-point adjustment are retained if you subsequently perform
manual adjustment. For more precise correction after 5-point adjustment, perform
manual adjustment.
• Any manual adjustment values you set before switching to 5-point adjustment are
cleared.
Incorrect settings may shorten the useful life of the other parts.
When using the projector continuously for 24 hours or more, or when turning the
projector off by unplugging it, execute light source calibration using one of the settings
below. If calibration is not executed, the projector will be unable to maintain fixed
brightness.
• Periodically specify [OK] in [Light source calibration] in [Calibration] (P133).
• Specify CALIBRATION in [Schedule] (P130).
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