Sanyo PLC-XW250 Classroom Projector
The PLC-XW250, is a full featured, 2,600 lumen, 5.5 portable projector that is ideally suited to a classroom or business setting with a focus on data presentation. The PLC-XW250 includes a 'One-touch' setup feature and IP based network control and monitoring capability which combine to make this projector easy to use by the non-technical end user and easy to monitor and troubleshoot by technical support.
The PLC-XW250 also includes multiple features that presenters or meeting organizers will appreciate, including dedicated function keys on the remote control. While the PLC-XW250 is limited by the available inputs and has a below average contrast ratio, it offers a low cost of ownership and will excel in environments that benefit from an easy to use projector that is quick to setup - such as a mobile cart in a classroom.
Easy Setup Feature: Activated by a single button press, the Sanyo PLC-XW250 'One-touch' setup feature automatically searches for and activates the active signal input, adjusts the auto-keystone and sets the pixel clock and phase adjustments (used to eliminate noise from an analog input signal). This function works quickly and is a nice option for a classroom or similar setting where the projector may be operated by inexperienced users.
The PLC-XW250 includes multiple color pre-sets for use when a dedicated projector screen is not available and the image is displayed on a blackboard or colored wall - using the pre-sets will automatically adjust image color to emulate projecting on a white screen. Additionally, the projector also features a quick-release front adjustment foot, which allows for easy adjustment to the projected image height without having to resort to time-consuming rotation of common screw style adjustment feet.
Lens and Image Offset: The PLC-XW250 has a 1.2:1 zoom range with manual lens zoom and focus, in standard XGA, 4x3 native aspect ratio. It displays a 100" diagonal image from a throw distance of 10.8 to 12.8 feet. The PLC-XW250 displays an image with consistent focus across the entire width of the screen, with no noticeable chromatic aberration even at maximum zoom levels. The lens on the PLC-XW250 is capable of generating an extremely sharp focus - pixel edges are clearly discernable under close inspection. When viewing video material from a close distance, users may desire to implement a slight de-focus to the PLC-XW250 to minimize the visibility of the screen-door effect. The image is thrown at a mild upward angle, for convenient use on a conference table or mobile cart. Image offset is 16.7% of image height - a 100-inch diagonal image will start 10 inches above the centerline of the projector's lens.
Brightness: The brightest pre-calibrated operating mode of the PLC-XW250, with lamp on high, was measured at 1,761 ANSI lumens. Boosting its contrast and brightness controls pushes lumen output closer to the spec, but at the expense of picture quality. With pre-calibrated settings, the PLC-XW250 has enough brightness to overcome normal ambient light for size screens up to 100" diameter. Brightness uniformity was 66%, or about average for this type of projector. This level of brightness uniformity allows for an image that is visually consistent - no variation of brightness is detectable by eye. For small format screens such as those typical in a small classroom or in situation with low levels of ambient light, the brightness of the PLC-XW250 can be reduced by 38% by switching to low lamp mode.
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