Bedienungsanleitung Epson emp 821 (Seite 96 von 108) (Englisch)

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Glossary

Resize display This function is used to allow images that have a resolution more than or less than the projector's panel resolution to be

projected so that they fill the whole of the projection area.

SDTV An abbreviation for Standard Definition Television. It refers to standard television systems which do not satisfy the conditions

for High-Definition Television.

Security lock A device consisting of a projector case with a hole in it that a commercially-available theft-prevention cable can be passed

through in order to secure the device to a table or pillar. This projector is compatible with the Microsaver Security System

manufactured by Kensington.

Squeeze mode In this mode, wide-screen images in 16:9 mode are compressed in the horizontal direction so that they are stored on the

recording medium as 4:3 images.

When these images are played back by the projector in squeeze mode, they are restored to their original 16:9 format.

sRGB An international standard for colour intervals that was formulated so that colours which are reproduced by video equipment

can be handled easily by computer operating systems (OS) and the Internet.

SVGA A type of video signal with a resolution of 800 (horizontal)

600 (vertical) dots which is used by IBM PC/AT-compatible

computers.

S-Video A video signal which has the luminance component and colour component separated in order to provide better image quality.

It refers to images which consist of two independent signals: Y (luminance signal), and C (colour signal).

SXGA A type of video signal with a resolution of 1280 (horizontal)

1024 (vertical) dots which is used by IBM PC/AT-compatible

computers.

Sync (synchronisation) The signals output from computers and RGB video equipment have a specific frequency. If the projector frequency does not

match this frequency, the resulting images will not be of a good quality. The process of matching the phases of these signals

(the relative position of the crests and troughs in the signal) is called "synchronisation". If the signals are not synchronized,

problems such as flickering, blurriness and horizontal interference can occur.

Tr a c k i n g The signals output from computers and RGB video equipment have a specific frequency. If the projector frequency does not

match this frequency, the resulting images will not be of a good quality. The process of matching the frequency of these

signals (the number of crests in the signal) is called "tracking". If tracking is not carried out correctly, wide vertical stripes will

appear in the projected images.

USB An abbreviation for Universal Serial Bus. USB is an interface for connecting personal computers to peripheral devices which

only support relatively low data transmission speeds.

UXGA A type of video signal with a resolution of 1600 (horizontal)

1200 (vertical) dots which is used by IBM PC/AT-compatible

computers.

VGA A type of video signal with a resolution of 640 (horizontal)

480 (vertical) dots which is used by IBM PC/AT-compatible

computers.

XGA A type of video signal with a resolution of 1024 (horizontal)

768 (vertical) dots which is used by IBM PC/AT-compatible

computers.

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Epson emp 821 Seite 96

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