Function Introductions
FOPM-203/FOPM-204
value. Meanwhile the “REF” sign will flash 3 times on the display. After that the display
will show the dB value. Each wavelength can set its reference value.
6. Visual Fault Locator Function (Optional)
When power meter with visual fault locator, you can short press the button to
control VFL status (on, glint, or off).
VFL
>2s PERM
>2s SAVE
>2s TWIN
OPTICAL POWER METER
>2s SET
REF
dBm/
dB/mw
ON
OFF
LOAD
DELETE
λ
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