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Istruzioni per l'uso Philips, Modello 107P50

Produttore : Philips
File Size : 1.07 mb
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Lingua di insegnamento: en
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It operates by diffusing reflected light to blur images of light sources on the screen. To provide antistatic properties, the coating is impregnated with small conductive particles. ARAS (Anti-Reflection, Anti-Static) coating ARAS is one of the most effective anti-reflection/anti-static screen treatments currently available. It is composed of a multi-layer structure of transparent dielectric material that suppresses specular reflections by broadband interference effects at the screen surface. Anti-static properties are provided by a single conductive layer within the multi-layer structure. With ARAS, the intensity of reflected light is reduced from around 4.5% of the incident light (the reflectivity of uncoated screens) to less than 0.5%. ARAS also has a major advantage over other screen treatments: It doesn't diffuse or scatter reflected light, so picture contrast and sharpness remain completely unimpaired. It's also easy to clean and tough enough to withstand commercially available cleaning agents. The ARAS coating reflects only about 0.5% of the incident light. AGRAS (Anti-Glare anti-Reflection Anti-Static) coating. A combined anti-reflection, anti-glare, anti-static coating. Self-test function A monitor equipped with hardware or software to automatically detect cable connection status. Shape Deviation of a reproduced picture from its intended shape. The following types of distortion are most common: SOG (Synchronization On Green) A properly functioning color monitor requires five kinds of signals: horizontal sync pulse, vertical sync pulse, red color signal, green color signal and blue color signal. Signals from a PC are transmitted to a monitor using one of three methods: 1. Separate sync: Horizontal and Vertical sync signals transmitted separately 2. Composite sync: Horizontal and vertical sync pulses mixed into a single signal train. 3. SOG: Horizontal and vertical sync pulses mixed, then combined with the green color signal. RETURN TO TOP OF THE PAGE T TCO See Electromagnetic radiation standards. Tilt function See rotation function. Trapezoid distortion See Geometrical distortion. TTL signal A TTL (Transistor-transistor-logic) signal is a digital signal level for controlling the screen colors. With TTL driving, the red, green and blue signals can only be switched on or off or provided with an intensity signal. A TTL-driven monitor can thus display a maximum of 64 colors. Video standards such as MDA, CGA and EGA are based on TTL level. RETURN TO TOP OF THE PAGE U USB or Universal Serial Bus A smart plug for PC peripherals. USB automatically determines resources (like driver software and bus bandwidth) required by peripherals. USB makes necessary resources available without user intervention. l USB eliminates "case angst" -- the fear of removing the computer case to install add-on peripherals. And USB also eliminates adjustment of complicated IRQ settings when installing new peripherals. l USB does away with "port gridlock." Without USB, PCs are normally limited to one printer, two Com port devices (usually a mouse and modem), one Enhanced Parallel Port add-on (scanner or video camera, for example) and a joystick. More and more peripherals for multimedia computers arrive on the market every day. With USB, up to 127 devices can run simultaneously on a computer. l USB permits "hot plug-in." There's no need to shut down, plug in, reboot and run set-up to install peripherals. And no need to go through the reverse process to unplug a device. In short, USB transforms today's "Plug-and-Pray" into true Plug-and-Play! Hub A Universal Serial Bus device that provides additional connections to the Universal Serial Bus. Hubs are a key element in the plug-and-play architecture of USB. The Figure shows a typical hub. Hubs serve to simplify USB connectivity from the user's perspective and provide robustness at low cost and complexity. Hubs are wiring concentrators and enable the multiple attachment characteristics of USB. Attachment points are referred to as ports. Each hub converts a single attachment point into multiple attachment points. The architecture supports concatenation of multiple hubs. The upstream port of a hub connects the hub towards the host. Each of the other downstream ports of a hub allows connection to another hub or function. Hubs can detect, attach and detach at each downstream port and enable the distribution of power to downstream devices. Each downstream port can be individually enabled and configured at either full or low speed. The hub isolates low speed ports from full speed signaling. A hub consists of two portions: the Hub Controller and Hub Repeater. The repeater is a protocolcontrolled switch between the upstream port and downstream ports. It also has hardware support for reset and suspend/resume signaling. The controller provides the interface registers to allow communication to/from the host. Hub specific status and control commands permit the host to configure a hub and to monitor a...

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Monitor - 107P50/00 (1.07 mb)

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