Ceyear 6481 Series Короткий посібник - Сторінка 5
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Cleaning of objective lens
1.
Lenses that are contaminated or damaged
may result in high fusion loss or poor
connections. Therefore, both objective lenses
shall be cleaned regularly. Otherwise dust will
accumulate
and
removed.
2.
Before cleaning the objective lens, first turn off
the power.
3.
Clean the objective lens with a fine cotton
swab moistened with absolute alcohol. Wipe
the lens with a cotton swab from the middle of
lens and along the circular trajectory until the
edge of lens is wiped. Do not touch V-groove.
4.
Then wipe off the remaining alcohol with a
clean, dry cotton swab.
Cleaning of fiber presser
1.
Windshield is equipped with two fiber pressers that
hold the fiber against V-groove and shall be kept
clean.
2.
Open the windshield and clean the fiber presser
with a cotton swab moistened with absolute alcohol.
eventually
cannot
be