Optical Power Meter MINI 5G Meter Optical Light Source Optical Fiber Power MeterFiber Optic Equipment Fiber Optic Tester free
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Automatic calibrationFlexible calibration and factory settings can be restoredUser calibrationAt the same time, short press Shutdown key+Fn, and the third row displays CAL to enter the user calibration mode. At this time, short press Shutdown+0.05dBm, short press Fn-0.05dBm1.After user calibration, A : Press Shutdown to shut down and save calibration data B :At the same time, short press Shutdown+Fn briefly to exit and save the calibration data2. press Shutdown Fn+2 times, and then the light attenuation db value returns to 03. press Fn+short press Shutdown 2 once, and then the light attenuation unit will switchRestore factory settings press Fn+short press Shutdown3 times to restore the factory settings, the display screen is all on, and the machine restarts