F i b e r O p t i c S o l u t i o n s P r o v i d e r
12/15
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REF value. Press
“
MENU/ENTER”
to edit it
(
draft 13
)。
Press“▲
”
“▼
”to revise
change the value and
press“
MENU/ENTER”to choose the digits to be
revised and press it again to save.
Press“
CANCEL”
key to exit or cancel
。
Draft13
5.2.4 After setting REF value as 2.5dB
(
draft 12
),
please clockwise rotate the
“rotating dial”, the attenuation step is 0.5dB.If you continuously rotate it to
attenuation value -19.15dBr (draft 14),it means this optical link relatively
attenuates -19.15dBr.
Draft14
5.2.5 Check the absolute attenuation value of relative value -19.15dBm