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一种构思巧妙、设计独特、线路简洁、功耗低、性能优异、用途广泛的LED多功能电话机附加器已由云南电子器材研究所研制成功。该产品通过多只不同颜色的发光二极管的工作与否,自动实现10大功能。即外线故障监测,电话机故障监测,夜间使用照明,振铃指示,工作指示,挂机指示,分机工?
An ingenious idea, unique design, simple lines, low power consumption, high performance, wide range of applications LED multi-function telephone set has been successfully developed by Yunnan Institute of Electronic Equipment. The product through the different colors of light-emitting diode work or not, 10 major functions automatically. That is, external fault monitoring, telephone fault monitoring, night lighting, ring instructions, work instructions, hang instructions, extension workers?