Epson EB-4750W User's Guide Page 151
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This section briefly explains the difficult terms that are not explained in the text of this guide. For details, refer to other commercially available publications.
Ad hoc mode
A method of wireless LAN connection that communicates with wireless LAN clients without using an access point.
AMX Device Discovery
AMX Device Discovery is a technology developed by AMX to facilitate AMX control systems for easy operation of the target equipment.
Epson have implemented this protocol technology, and have provided a setting to enable the protocol function (ON).
See the AMX Web site for more details.
URL http://www.amx.com/
Aspect Ratio
The ratio between an image's length and its height. Screens with a horizontal:vertical ratio of 16:9, such as HDTV screens, are known as wide screens.
SDTV and general computer displays have an aspect ratio of 4:3.
Component Video
A method that separates the video signal into a luminance component (Y), and a blue minus luminance (Cb or Pb) and a red minus luminance (Cr or
Pr).
Composite video
A method that combines the video signal into a luminance component and a color component for transmission down a single cable.
Contrast
The relative brightness of the light and dark areas of an image can be increased or decreased to make text and graphics stand out more clearly, or to
make them appear softer. Adjusting this particular property of an image is called contrast adjustment.
DHCP
An abbreviation of Dynamic Host Configuration Protocol, this protocol automatically assigns an IP address
g
to equipment connected to a network.
DICOM
An acronym for Digital Imaging and Communications in Medicine. An international standard that defines image standards and a communications
protocol for medical images.
Gateway Address
This is a server (router) for communicating across a network (subnet) divided according to subnet mask
g
.
HDCP
HDCP is an abbreviation for High-bandwidth Digital Content Protection. It is used to prevent illegal copying and protect copyrights by encrypting
digital signals sent over DVI and HDMI ports. Because the HDMI port and DisplayPort on this projector supports HDCP, it can project digital images
protected by HDCP technology. However, the projector may not be able to project images protected with updated or revised versions of HDCP
encryption.
HDTV
An abbreviation for High-Definition Television that refers to high-definition systems which satisfy the following conditions.
• Vertical resolution of 720p or 1080i or greater (p =
Progressive
g
, i = Interlace
g
)
• Screen
aspect ratio
g
of 16:9
Infrastructure mode
A method for wireless LAN connection in which devices communicate through access points.
Interlace
Transmits information needed to create one screen by sending every other line, starting from the top of the image and working down to the bottom.
Images are more likely to flicker because one frame is displayed every other line.
IP Address
A number to identify a computer connected to a network.
Glossary
151
- User's Guide 1
- Notations Used in This Guide 2
- Contents 3
- Configuration Menu 4
- Troubleshooting 4
- Introduction 7
- Interface 9
- Part Names and Functions 10
- Control Panel 11
- Remote Control 12
- Preparing the Projector 17
- Installing the Projector 18
- Screen Settings 19
- Displaying a Test Pattern 21
- (Lens Shift) 22
- Adjusting the Image Size 24
- Correcting the Focus 24
- Adjusting the Image Position 24
- Adjusting the Horizontal Tilt 24
- ID Settings 25
- Setting the Time 26
- Connecting Equipment 28
- Connecting Image Sources 30
- Monitor Out D-Sub 32
- Audio Out Audio IN 32
- Connecting a LAN Cable 33
- Attaching the Cable Cover 35
- Basic Usage 37
- Projecting Images 38
- Adjusting the Volume 39
- Adjusting Projected Images 40
- Adjusting the Image 48
- Useful Functions 52
- Projection Functions 53
- Freezing the Image (Freeze) 57
- Saving a User's Logo 58
- Memory Function 60
- Scheduling Function 62
- Security Functions 65
- Restricting Operation 67
- Anti-Theft Lock 68
- Using the Configuration Menu 71
- List of Functions 72
- Image Menu 74
- Signal Menu 75
- Settings Menu 77
- Extended Menu 78
- Network Menu 81
- Info Menu (Display Only) 91
- Reset Menu 92
- Using the Help 94
- Problems Relating to Images 100
- Problem Solving 101
- Other Problems 106
- About Event ID 110
- Maintenance 111
- Cleaning 112
- Replacing Consumables 115
- Warning 116
- Caution 116
- Replacing the Air Filter 118
- Notes on Transportation 120
- Image Maintenance 121
- Color Uniformity 122
- Appendix 125
- Network Functions 126
- Monitoring and Controlling 127
- Problems 128
- Management Using SNMP 129
- ESC/VP21 Commands 130
- About PJLink 132
- About Crestron RoomView 132
- Optional Accessories 137
- Consumables 137
- EB-4855WU/EB-4850WU) 138
- Unit: cm 140
- Unit: cm 140
- Supported Monitor Displays 144
- Specifications 146
- Appearance 150
- Glossary 151
- General Notes 153
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