NEC VT480, VT57, VT58 manual Using On-Screen Menu Enabling Fan Speed Mode Fan Mode

5. Using On-Screen Menu

Enabling Fan Speed Mode [Fan Mode]

This option allows you to select two modes for fan speed: Auto mode and High speed mode.

Auto	The built-in fans automatically run at a variable speed according to the internal temperature.
High	The built-in fans run at a fixed high speed.

When you wish to cool down the temperature inside the projector quickly, select [High].

NOTE: It is recommended that you select High speed mode if you continue to use the projector for consecutive days.

Selecting Signal Format [Signal Select]

[Computer],[Computer 1],[Computer 2]

Allows you to choose [Computer] for an RGB source such as a computer, or [Component] for a component video source such as a DVD player. Normally select [RGB/Component] and the projector automatically detects a compo- nent signal. However there may be some component signals that the projector is unable to detect. If this is the case, select [Component]. Select [Scart] in [Computer 1] (Computer on VT58/VT57/VT48) for the European Scart signal.

[Video & S-Video System Select]

This feature enables you to select composite video standards automatically or manually. Normally select [Auto] and the projector will automatically detect the video standard.

In the case where the projector has difficulty detecting the video standard, select the appropriate video standard from the menu.

This must be done for Video and S-Video respectively.

Enabling the deinterlace [Deinterlace]

Turns on or off the deinterlace function for a telecine signal.

On ---------	Default standard setting.
Off ---------	Select this option if there is any jitter or artifacts in video.

NOTE: This feature is not available for RGB, 480p, 576p, and HDTV signals.

Enabling Key Sound and Error Sound [Beep]

This feature turns on or off the keypad sound or alarm when a button on the cabinet and the remote control is pressed or an error occurs.

46