优化电脑图像

正确连接电脑且屏幕上出现电脑图像后,可以使用屏幕菜单优化图像。=关于 使用菜单的一般信息,请参见第 PO 页。

·画面菜单,调整 梯形校正对比度光度=

·改变 长宽比= “长宽比指图像的宽高比。=电视屏幕通常为= NKPPWN,也称作=QWPeaqs=和大多数=asa==NKTUWN==NSWV。请选择最 适合输入信号源的选项。=有关的详细信息,请参见第 PP 页。

·高级设置菜单,调整 画面底色

·高级设置菜单,调整 相位画面幅或者 水平垂直位置。

·一旦就特定信号源优化了图像后,可使用 选择方式保存设置。=这 样,以后就能快速地调用这些设置。=请参见第 PQ 页。

演示功能

提供了若干功能,使得演示很容易进行。=以下是功能概述,详细信息请参见

PO 页上的菜单部分。

·遥控器的 bÑÑÉÅí (功能)按钮可用以将不同的功能指定给按钮。=缺省功 能为 放大。可以选择 空白无声图像长宽比信号 源初始图像静止画面放大关于画中画信号 源=有关的详细信息,请参见第 PU 页。=

·静止画面功能可以冻结显示的图像。=如果要在电脑上作改动而不让 观众看见的话,此功能很有用。=

·遥控器上的 _ä~åâ (空白)按钮可用于显示空白屏幕,而不是现用信号 源。=请参见第 PT 页。

·画中画信号源功能可在电脑图像之上在小窗口中改变视频信号源。= 请参见第 PU 页。

·启动标志菜单选项可用于将缺省的启动屏幕改为黑色、白色或通过 获像标图自定义的标图屏幕。=请参见第 PT 页。

·提供了 省电屏幕保护两个菜单选项,可在无活动状态若干 分钟后自动关闭投影机或显示空白屏幕。=这有助于延长灯泡的使用寿 命。=请参见第 PS 页和第 PT 页。

·还有 低电压菜单选项可用,有助于降低投影机风扇发出的音量。=请 参见第 PS 页。

PM

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Ask Proxima C450, C440 manual 优化电脑图像, 演示功能

C440, C450 specifications

The Ask Proxima C450 and C440 are two innovative solutions designed to meet the demands of various printing environments. Renowned for their efficiency, these models are ideal for businesses looking for high-quality printing without compromising on speed or performance.

The Proxima C450 is characterized by its impressive print capabilities, showcasing a maximum resolution of up to 1200 x 1200 dpi. This high-resolution output enables sharp and vibrant color prints, making it suitable for marketing materials, professional documents, and any other high-impact visual content. In contrast, the Proxima C440, while slightly lower in resolution at 600 x 600 dpi, still delivers high-quality prints that meet the needs of everyday business applications.

Both models boast fast printing speeds, with the C450 reaching speeds of up to 45 pages per minute for color and black and white documents. The C440 is not far behind, offering competitive speeds that make it a practical choice for small to medium-sized enterprises looking to enhance their productivity. The rapid output capabilities ensure that even large print jobs can be completed efficiently, keeping workflow disruptions to a minimum.

In terms of technology, both printers utilize advanced LED printing technology, which contributes to reduced energy consumption and lower overall operating costs. This green technology not only enhances efficiency but also supports companies in their sustainability initiatives, making both models an eco-friendly choice.

Connectivity is another standout feature of the Proxima series. Both the C450 and C440 provide multiple connectivity options, including USB, Ethernet, and wireless capabilities. This versatility allows users to print from various devices, including computers, laptops, and smartphones, fostering an adaptable working environment.

User-friendliness is also essential in the design of these models. They come equipped with intuitive control panels that simplify operation and maintenance. Additionally, a range of finishing options, such as duplex printing and stapling, makes these devices comprehensive solutions for modern workplaces.

In summary, the Ask Proxima C450 and C440 are cutting-edge printers that combine high-quality output, efficient performance, and user-friendly features. With their advanced technologies and solid specifications, they are well-equipped to meet the diverse printing needs of today's businesses, making them a smart investment for any organization.