C-Map Aviation has specialized in large-format portable GPS units, which we've reviewed favorably. The company continues to impress with its latest offering, the EKP-IV. The color display is slightly larger than that of the EKP-IIIc (see "Pilot Products," May 2002 Pilot), with a super-sharp 7-inch-diagonal TFT (thin film transistor) screen—even though the unit costs $300 less than its predecessor. Like the IIIc, the EKP-IV defaults to a portrait-screen layout (a landscape presentation is also available), with a data window that includes information parceled out in blocks taking up the top quarter of the display. You can select one, two, or three lines (each containing three data blocks) to appear in the data window, and set up the fields to your liking.
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机译：C-Map Aviation专攻大型便携式GPS装置，我们对此进行了好评。该公司的最新产品EKP-IV继续给人留下深刻印象。彩色显示屏比EKP-IIIc的显示屏稍大（请参阅“ Pilot Products”，2002年5月试运行），带有超清晰的7英寸对角TFT（薄膜晶体管）屏幕，尽管该产品的价格要低300美元比它的前身。像IIIc一样，EKP-IV默认为纵向屏幕布局（也可以使用横向演示），其数据窗口包含以块为单位分拆的信息，占据显示屏的前四分之一。您可以选择一行，两行或三行（每行包含三个数据块）出现在数据窗口中，然后根据自己的喜好设置字段。
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