故障诊断

没有电

确认电源按钮 (或开关)已开启

确认交流电线牢靠地连接到显示器背部及电源插座

将另一电器 (例如收音机)插入电源插座以确认插座提供正常电压。

电源开启但屏幕无图像

确认随 LCD 显示器提供的视频缆线牢固地插入计算器背面的视频输出端口。如果视 频缆线的另一端没有牢固地连接到 LCD 显示器,请将其连好。

调节亮度和对比度。

如果您使用的是早于 G3 Macintosh,则需要使用 Macintosh 适配器。

颜色错误或反常

如果某种颜色 (红、绿或蓝)消失,请检查视频缆线以确保其连接牢固。缆线接头 的针松动或折断可以引起连接异常。

将此 LCD 显示器连接到另一台计算器。

如果您的图形显示卡是旧式的,请与 ViewSonic® 联系以获得一非 DDC 适配器。

控制按钮不工作

一次只能按一个按钮。

ViewSonic VA703b

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ViewSonic VS11280 manual 故障诊断, 没有电, 电源开启但屏幕无图像, 颜色错误或反常, 控制按钮不工作

VS11280 specifications

The ViewSonic VS11280 is a cutting-edge 4K Ultra HD projector designed to meet the demanding needs of both professional and home users. This model is particularly appealing for those who prioritize high-resolution images and exceptional color accuracy.

One of the standout features of the VS11280 is its impressive 4K resolution, which delivers stunning detail and clarity. With 3840 x 2160 pixels, images are vividly rendered, making it perfect for presentations, movies, and gaming applications. The projector supports HDR (High Dynamic Range) content, enhancing the overall viewing experience by providing a broader range of colors and improved contrast.

In terms of brightness, the VS11280 boasts an impressive lumen output, ensuring that images remain sharp and clear even in well-lit environments. This feature is particularly beneficial for business presentations and classrooms where ambient light can be an issue. Coupled with its high brightness, the projector utilizes advanced color technology to produce a wider color gamut, allowing for rich and vibrant visuals.

Another key characteristic of the ViewSonic VS11280 is its versatile connectivity options. It is equipped with HDMI, DisplayPort, and USB ports, making it compatible with a variety of devices including laptops, gaming consoles, and streaming devices. This flexibility simplifies the process of connecting and switching between different media sources.

The projector also incorporates advanced keystone correction and lens shift technologies, facilitating easy installation and optimal image alignment. These features allow users to project images from different angles without compromising on image quality, making it ideal for diverse setups.

For added convenience, the VS11280 comes with built-in speakers, eliminating the need for external sound systems in smaller environments. This all-in-one functionality is particularly useful for impromptu presentations or movie nights.

Finally, the ViewSonic VS11280 is designed with energy efficiency in mind. It features a long lamp life, significantly reducing maintenance costs and frequency of replacements. This durability, combined with its high performance, makes the VS11280 a reliable choice for users seeking quality and longevity in a projector.

Overall, the ViewSonic VS11280 stands out as a powerful projector that combines advanced technology with user-friendly features, making it an excellent choice for any setting requiring high-quality visual solutions.