... MMF of 850nm)Pulse width5,10,30,80,160,320,640,1280,5120,10240,20480ns5,10,30,80 ... ,160,320,640,1280 (MMF of 850nm)Loss threshold0 ... . JX8002 offers three measuring modes: manual mode (including real time mode and average mode), auto mode and dead zone ... In this measurement mode, to get more accurate results, real-time mode or average mode can be selected if necessary. ...