日立 HITACHI 430（以日立 HCP - 430X 投影机为例）用途：适用于教育会议场景，可清晰展示教学课件、会议资料等内容，助力信息传递与交流。技术原理：采用 3LCD 投影技术，通过 0.63 英寸多晶硅有源矩阵式 TFT 液晶板 ×3，将光线进行分色、调制，最终投射出清晰图像。性能：标称光亮度达 3000 流明，光亮度均匀值 80%；标准分辨率为 1024×768dpi，对比度 2000：1；灯泡类型为 UHP，功率 215W；具备垂直梯形校正功能；支持多种视频信号，如 NTSC、PAL 等；输入端子丰富，含模拟 RGB、分量视频、复合视频等接口；整机尺寸 320×85×245mm，重 2.9kg 。Product Name: Hitachi HITACHI 430 (Taking Hitachi HCP - 430X projector as an example)Purpose: It is suitable for educational and conference scenarios. It can clearly display teaching courseware, conference materials and other content, facilitating information transmission and communication.Technical Principle: It adopts 3LCD projection technology. Through 0.63 - inch polysilicon active - matrix TFT liquid - crystal panels × 3, the light is color - separated and modulated, and finally a clear image is projected.Performance: The nominal brightness reaches 3000 lumens, and the brightness uniformity value is 80%. The standard resolution is 1024×768dpi, and the contrast ratio is 2000:1. The bulb type is UHP with a power of 215W. It has a vertical keystone correction function and supports a variety of video signals such as NTSC and PAL. It has rich input terminals, including analog RGB, component video, composite video and other interfaces. The overall size of the machine is 320×85×245mm, and it weighs 2.9kg.