If
you
discover
scratches
,
or
if
the
dust
has
burnt
into
the
surface
due
to
a
high
power
application,
then
your
only
option
(depending
on
the
degree
of
pollution
and
depth
of
the
scratches)
is
to
polish
the
connector
.
P
olishing
connectors
is
very
dicult.
W
e
strongly
recommend
that
only
skilled
personnel
should
attempt
this
.
This
measure
is
only
to
be
used
if
absolutely
necessary
,
as
it
will
reduce
the
life
span
of
your
optical
device
.
E-8
Cleaning
Procedures