FS FOPM-201 Guide De Démarrage Rapide page 14

In the test menu, short press the button
reference value will appear on LCD display. See Fig. 6.
7. Backlight Setup
In the menu mode, select the third "Backlit Setup" enters to backlight setup
menu. See Fig.7.
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1310nm
ONU
1490nm
OLT
1550nm
VIDEO
Fig. 5 REF Value Setup Menu
REF/SEL
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1.2
1310nm
ONU
-4.5
1490nm
OLT
-15.0
1550nm
VIDEO
Fig. 6 View REF Value Menu
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Fig. 7
REF
Auto off
(less than 2 seconds), then current
dBm
Ref
dBm
Ref
dBm
Ref
Auto off
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