Sanyo PLC-XW250 Classroom Projector
Limited Inputs: The PLC-XW250 lacks a digital input and is limited by a single, dedicated VGA input plus a secondary dual use input that functions as second computer input or monitor pass through. While the PLC-XW250 will accept an S-video signal, it requires a special cable or adapter to connect it to the main D-Sub monitor connection. Without the cable or adapter, one is limited to only a composite video input. Furthermore, the second input source is limited to RGB/computer signal only - it will not accept any video signals. While the input panel does present some limitations, this may not be an issue if you've only got one or two sources in use anyway.
Contrast Ratio: The specified 500:1 on/off contrast ratio is typical for LCD presentation products, and lower than average when compared to DLP products. Though the spec sounds modest, contrast potential is not a significant factor when using the projector in ambient light conditions, since room light itself will be a limiting factor to contrast on screen. In this situation, high lumen output produces a perception of high contrast. The XW250's lower contrast potential is most noticeable when displaying video or photographic images in a dark room. Under these conditions, the WX250 will show relatively less dynamic image than will a DLP projector displayed side by side.
Projector Noise: In high lamp mode, the PLC-XW250 produces a noticeable amount of fan noise - somewhat higher than projectors with similar lumen output. Activating the projector's low lamp setting causes a significant decrease in fan noise output. Unless the use scenario requires people to sit close to the projector while it is in high lamp mode, it is unlikely that fan noise will be a bothersome issue in normal operation.
The Sanyo PLC-XW250 is a XGA 3-chip LCD projector with features that target classroom or business presentation environments. It differentiates itself from projectors of similar specifications with its ease of use, a suite of quick setup features, network monitoring and control, and several unique presentation tools. With brightness of over 1,700 ANSI lumens and color pre-sets for use in non-dedicated environments, the PLC-XW250 delivers a lot of flexibility to display a bright, clear, sharp image in low to moderate ambient light. If you don't need to connect a lot of sources at once, and your display environment is not pitch dark, the ease of use and low cost of ownership make the Sanyo PLC-XW250 a strong and practical option for classrooms and moderate sized corporate conference rooms.
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