The basic process is straightforward: turn the meter on, set it to the correct wavelength, clean your connectors, plug in, and read the display. But getting accurate, meaningful results depends on understanding a few key details about wavelength settings, reference levels . In this video, we explain how to repair an Optical Power Meter that powers ON but does NOT show any optical power reading. You will learn: • How an Optical Power Meter. power across any given fiber. This document will serve as an overview of the major features and functions of the device and will ofer tips for trouble shooting common issues in optical networks. if you are looking for a device that can communicate with IOS and An f detected on the main screen. REF/dB key: Short press the dB to switch unit, click once nW/dBm/dB to enter the upper clear data, press and hold until REF is displayed on the screen, and set the current optical power as reference value, enter the relative. An optical power meter measures the strength of light traveling through a fiber optic cable, giving you a reading in dBm (decibels relative to one milliwatt). A general description is followed by explanations of how to operate the unit manually. You will also find information about a simple remote control of the.