FNIRSI produseart betelbere en ynnovative elektroanyske testapparatuer, ynklusyf digitale oscilloskopen, multimeters, sinjaalgenerators en tûke soldeergereedschap foar yngenieurs en hobbyisten.
FNIRSI is a technology company specializing in the research, development, and manufacturing of electronic testing and measurement instruments. The brand offers a wide range of intelligent and portable devices such as digital oscilloscopes, handheld multimeters, signal generators, USB testers, and smart soldering irons. Known for combining high performance with user-friendly interfaces and affordability, FNIRSI products cater to maintenance professionals, engineers, electronics enthusiasts, and DIYers worldwide. The company continuously updates its firmware and product line to meet the evolving needs of the electronics community.
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For many FNIRSI devices, enter bootloader mode (often by holding a specific button like 'OK' or a direction key while powering on), connect the device to a computer via USB Type-C, and copy the official firmware file to the removable drive that appears.
You can download the latest user manuals, PC software, and firmware updates directly from the 'Manuals & Firmware' section of the official FNIRSI website.
FNIRSI typically offers a one-year limited warranty from the date of purchase for the main unit, covering defects in materials and workmanship under normal use.
Connect the probe to the self-test signal terminal (usually a 1kHz square wave), display the waveform, and use the adjustment tool to turn the compensation capacitor on the probe until the waveform edges are flat and square.