Christie Mirage 5000 User Manual download pdf (Page 125)

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This appendix defines the specific terms used in this manual as they apply to this projector. Also included are other

general terms commonly used in the projection industry.

The time, inside one horizontal scan line, during which video is generated.

The ability of a screen to reflect ambient light in a direction away from the "line of

best viewing". Curved screens usually have good ambient light rejection. Flat screens

usually have less ambient light rejection.

The video output of most computers and video tape machines. Analog video can

generate a large number of colors.

The ratio of the width of an image to its height, such as the 4:3 aspect ratio common

in video output.

The ability of the projector to automatically recognize and synchronize to the

horizontal and vertical scan frequencies of an input signal for proper display.

The extra travel distance required for accurate lens mount positions in a Roadster,

Vista or Mirage 5000 having a motorized lens mount.

The frequency range of the projector's video amplifier.

The speed at which serial communications travel from their origin. In this projector,

the RS-232 or RS-422 default baud rate of 19200 can be changed to match a

controlling device. The switcher baud rate of 9600 cannot be changed.

The time inside one scan line during which video is not generated. The blanking time

of the input signal must be equal to or greater than the retrace time of the projector.

In projection, brightness usually describes the amount of light emitted from a surface

such as a screen. It is measured in foot-lamberts or candelas per square meter.

Unit of measure for measuring intensity of light.

A collection of measurements stored by the projector for a given input source,

including frequencies, pulse width, polarity, syncs, channel number and location,

user-adjustable display settings, etc. Use channels to switch between a variety of

setups quickly, automatically recalling previously defined display parameters.

A list/menu of previously-defined channels available in projector memory.

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Christie Mirage 5000 User Manual Page 125