投影灯更换
投影灯是一种消耗品。为获得最佳工作性能，请按使用时间更换投影灯。您可以在“信息显示”（INFO 按钮）中查看投 影灯使用时间。
请使用推荐的投影灯进行更换。用户手册中已对投影灯的规格进行了详细说明。请使用相同型号的投影灯进行更换。
在更换投影灯之前，请检查是否已经拔下电源线。
即使在断开电源线后，投影灯也会烫手。在更换投影灯前，至少让其冷却一小时。
投影灯安装在投影仪的左后部。
在将投影仪倒置以更换投影灯前，请在平坦表面上垫一块软布以放置投影仪。
请勿将旧投影灯放在易燃物附近或儿童能够触及之处。否则会有燃烧或灼伤的危险。
使用合适的真空吸尘设备清除投影灯单元周围或内部的灰尘或异物。
操纵投影灯时，除把手以外，切勿触摸其任何部分。如果投影灯操纵方式不当，将影响画面质量，缩短其使用寿命。 
更换投影灯后，如果没有完全锁住机盖，投影仪将不会正常工作。如果投影仪不能正常工作，请参阅 
SPA400BCX/EDC, SPA400BX/EDC specifications
Samsung SPA400BX/EDC and SPA400BCX/EDC models are advanced networked communication solutions designed for businesses seeking reliable and efficient communication tools. These products belong to the suite of Samsung's SPA series, which is known for its innovative features and robust performance.One of the main features of the SPA400BX/EDC and SPA400BCX/EDC is their support for Voice over Internet Protocol (VoIP) technology. VoIP allows for high-quality voice communication over the internet, reducing long-distance call costs and enabling seamless connectivity. This feature is essential for businesses aiming to optimize their communication infrastructure while ensuring sound clarity and efficiency.
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