How to use the light pen on the fiber optic terminal box
Shortly press the power button, the indicator light flashes, and the laser pulse wave is output at the same time; short press again to turn off the red light. Under normal circumstances, it will automatically shut down if there is no operation for 15 minutes to extend the battery. When it comes to testing fiber optic cables, a Visual Fault Locator (VFL) is an essential tool in your toolkit. How to use a fiber optic red light pen? What are the uses of fiber optic red light pens? Optical fiber red light pen (i. , optical fiber fault detector, optical fiber fault test pen) is a 650nm (± 20nm) semiconductor laser as a light-emitting device, which emits stable red light through a constant.
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