The Verification Experts
FX20
Optical Power Meter
QUICK GUIDE
Backlight
icon
ON/OFF
LIGHT
ZERO
λ
LCD
AUTO OFF
dB
Set the reference value
1. Install the optical patch cord to the FX20.
2. Turn on the power.
3. Press the dB button to change the display to dB.
4. Press the ZERO button to set dB to zero as the reference value.