There are 2 ways to zero the fiber optic sensor on the FiberOptix intra-aortic balloon (IAB): manually and automati-cally. For either zero procedure, the blue FOS slide and black CAL key must be connected to the pump prior to IAB insertion. The value will be automatically set to the mid-point between when there is no workpiece and when there is a workpiece. * When the difference is. Settings are summarized in "Basic" and "Advanced" categories. Providing quick solutions for every scenario. It is divided into communication supplies and industrial supplies, here we refer to the industrial fiber optic sensor. Fiber optic amplifier can be used as a type of beam or. Digital fiber amplifier sensor, Model FF-403, it tells how to set the amplifier steps by steps, easy to learn and operate. more *Extra charge for add-ons.