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Digital Projection HIGHlite 740 Series
Reference Guide
APPENDIX F: GLOSSARY OF TERMS
Rev I February 2015
Deinterlacing
The process of converting
interlaced
video signals into
progressive
ones.
DHCP (Dynamic Host Configuration Protocol)
A network protocol that is used to configure network devices so that they can communicate on an IP network, for example by allocating an IP
address.
DMD™ (Digital Micromirror Device™)
The optical tool that transforms the electronic signal from the input source into an optical image projected on the screen. The DMD™ of a
projector has a fixed
resolution
, which affects the
aspect ratio
of the projected image.
A Digital Micromirror Device™ (DMD™) consists of moving microscopic mirrors. Each mirror, which acts as a pixel, is suspended between
two posts by a thin torsion hinge. It can be tilted to produce either a bright or dark pixel.
EDID (Extended Display Identification Data)
Information stored in the projector that can be read by the source.
EDID is used on the HDMI, DVI and VGA inputs, allowing the source to automatically configure to the optimum display settings.
EDTV (Enhanced Definition Television)
A
progressive
digital television system with a lower resolution than
HDTV
.
Gamma
A nonlinear operation used to code and decode
luminance
. It originates from the Cathode Ray Tube technology used in legacy television
sets.
Global setting
A projector setting that affects all inputs. In the
OSD
, global settings are indicated with a globe icon.
HDCP (High-bandwidth Digital Content Protection)
An encryption scheme used to protect video content.
Notes