Dell S300WI Guide de l'utilisateur Page 122
- Page / 127
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Glossary 121
Appendix: Glossary
ANSI Lumens — A standard for measuring the brightness. It is calculated by
dividing a square meter image into nine equal rectangles, measuring the lux (or
brightness) reading at the center of each rectangle, and averaging these nine
points.
Aspect Ratio — The most popular aspect ratio is 4:3 (4 by 3). Early television and
computer video formats are in a 4:3 aspect ratio, which means that the width of
the image is 4/3 times the height.
Brightness — The amount of light emitted from a display or projection display or
projection device. The brightness of projector is measured by ANSI lumens.
Color Temperature — The color appearance of white light. Low color
temperature implies warmer (more yellow/red) light while high color temperature
implies a colder (more blue) light. The standard unit for color temperature is
Kelvin (K).
Component Video — A method of delivering quality video in a format that
consists of the luminance signal and two separate chrominance signals and are
defined as Y'Pb'Pr' for analog component and Y'Cb'Cr' for digital component.
Component video is available on DVD players.
Composite Video — A video signal that combines the luma (brightness), chroma
(color), burst (color reference), and sync (horizontal and vertical synchronizing
signals) into a signal waveform carried on a single wire pair. There are three kind of
formats, namely, NTSC, PAL and SECAM.
Compressed Resolution — If the input images are of higher resolution than the
native resolution of the projector, the resulting image will be scaled to fit the
native resolution of the projector. The nature of compression in a digital device
means that some image content is lost.
Contrast Ratio — Range of light and dark values in a picture, or the ratio between
their maximum and minimum values. There are two methods used by the
projection industry to measure the ratio:
1
Full On/Off
— measures the ratio of the light output of an all white image (full
on) and the light output of an all black (full off) image.
2
ANSI
— measures a pattern of 16 alternating black and white rectangles. The
average light output from the white rectangles is divided by the average light
output of the black rectangles to determine the
ANSI
contrast ratio.
Full On/Off contrast is always a larger number than ANSI contrast for the same
projector.
Downloaded From projector-manual.com DELL Manuals
- User’s Guide 1
- Notes, Notices, and Cautions 2
- Contents 3
- 4 Contents 4
- 6 Contents 6
- Your Dell Projector 7
- 82.15±0.15 9
- About Your Interactive Pen 10
- Connecting Your Projector 12
- Installing the Antenna 13
- Connecting to a Computer 14
- 18 Connecting Your Projector 18
- Connecting a DVD Player 19
- 12V DC Plug 24
- Display 26
- Connecting Your Projector 27 27
- Using Your Projector 28
- Raising the Projector Height 29
- Projector to screen distance 31
- 32 Using Your Projector 32
- Using the Control Panel 33
- Using the Remote Control 35
- Using the Interactive Pen 38
- NOTE: Combinations of buttons 39
- Using the Wrist Strap 40
- Operating range 43
- Using the On-Screen Display 45
- INPUT SELECT 46
- Input Select Multiple Display 46
- PICTURE (in PC Mode) 47
- PICTURE (in Video Mode) 48
- PICTURE ADVANCED 49
- DISPLAY (in PC Mode) 50
- DISPLAY (in Video Mode) 52
- (For DLP 3D goggles) 55
- WIRELESS / NETWORK 56
- INFORMATION 57
- Using Your Projector 67 67
- NOTE: You may choose to 72
- Understanding the Buttons 74
- Projecting the Presentation 74
- Using the Menu 76
- PtG Viewer 79
- Photo Viewer 79
- PtG Overview 80
- Photo Overview 81
- Buttons Introduction 81
- Setup PtG Converter - Lite 82
- Management 84
- Conference Control 86
- Managing Properties 87
- System Status 88
- Network Status 89
- Projection Setup 91
- Change Passwords 92
- Reset to Default 93
- Firmware Update 94
- Projector Control Panel 95
- Alert Setting 97
- Reboot System 98
- Crestron 98
- Make Application Token 103
- (continued) 105
- Guiding Signals 109
- Changing the Lamp 112
- Specifications 114
- 9.7"(246.5mm) 115
- RS232 Protocol 118
- RS232 Pin Assignment 118
- 118 Specifications 119
- Contacting Dell 120
- Contacting eInstruction 121
- Appendix: Glossary 122
- 124 Index 125
- Index 125 126
- 126 Index 127
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