By Full Compass LiveThe Optoma EH501 was designed to deliver unsurpassed performance and reliability to meet your installation needs. Its powerful 5000 lumens output and impressive 15,000:1 contrast ratioDefinition:
Contrast ratio describes the video dynamic range of a display device as a relationship between the brightest color (white) and the darkest color (black) that the system can produce. Two methods are used to specify contrast ratio; the full on/full off method describes the dynamic contrast ratio and the ANSI (American National Standards Institute) method measures the static contrast ratio. deliver remarkably bright presentations with sharp text and color-rich graphics. To ensure it will perform to your current and future needs, the EH501 features a comprehensive I/ODefinition:
(Input/Output): 1. A pair of connections that provide input(s) and output(s). 2. The connections that link a computer to devices outside the computer. panel and the most advanced feature sets in its class.
Outstanding features on this remarkable product include HDMIDefinition:
HDMI (High-Definition Media Interface): A standard for connecting video, audio, security, and control signals. and DVIDefinition:
DVI (Digital Visual Interface): A video standard for sending uncompressed signals to a display. DVI-D is digital only. DVI-I contains both analog and digital. DVI-A is analog-only, and similar to VGA. HDMI (High-Definition Multimedia Interface) uses a format similar to DVI-D for video, but adds audio and other features. for digitalDefinition:
A signal or data expressed as series of the digits 0 and 1, typically represented by values of a physical quantity such as voltage or magnetic polarization. connectivity, over-the-network presentation capability, wireless presentation capability via optional USBDefinition:
(Universal Serial Bus) A standard, bi-directional serial connection between computers and peripheral devices. dongleDefinition:
A small piece of hardware, typically but not always USB, that connects to a computer or other device's port for additional functionality. Some are for license keys, Bluetooth, provide a particular type of port, etc., vertical lens shiftDefinition:
A feature that allows physical movement of the lens within a video projector to offset the image horizontally or vertically, which can provide keystone correction. Use of lens shift is preferable to digital keystone correction because it provides less image distortion. See Keystone. and discrete audio inputs including microphone input for maximum installation convenience.
