Power meter measurement in five steps: 1) Clean the meter port and the patch cord. 5) Read the value, and compare against the. Maintaining an optical power meter is crucial for ensuring accurate fiber optic measurements and extended equipment life. These precision instruments serve as the backbone of fiber optic network testing and installation, making their proper care and maintenance essential for telecommunications. Below are general answers on how to operate, maintain, and calibrate an optical fiber ranger from the list of GAO Tek's optical power meters. Select. Fiber Optical Powermeter User Manual | FS Title Author Subject Keywords Created DateEnter the optical power meter interface after booting, short press the "REF" key to set the current power value as the reference power, which can realize relative optical power test (insertion loss test) or absolute power test. Whether you're installing new fiber lines or troubleshooting existing ones, understanding this device is key to maintaining optimal performance. Let's dive into what. d efficient manner. This manual is part of the device and must be kept in its vicinity to ensure that it is available to the per ommencing any work.