... range0.4,0.8,1.6,3.2,6.4,16,32,64,128,256,512km(SMF);0.4,0.8 ... ,1.6,3.2,6.4,16,32 (MMF of 850nm)Pulse width5,10,30,80,160 ... .Dead zone mode: this mode is suitable for testing optical fiber with short distance and the optimized settings of distance ... dead zone, which is suitable for testing short optical fiber and pigtail optical fiber.High-speed auto analyzationJX8002 can quickly determine and ...