12
1.
With
the
front
facing
down,
place
the
housing
on
a
flat
surface
or
in
your
lap.
2.
When
closing,
make
sure
there
is
nothing
caught
between
the
closing
surfaces
of
the
two
halves
of
the
housing.
3.
The
housing
can
be
opened
and
closed
by
operating
the
three
locking
latches;
when
opening,
first
operate
the
latch
on
the
top
of
the
housing
then
the
two
on
both
sides
simultaneously.
When
closing
the
housing,
operate
the
two
side
latches
first,
then
the
one
on
the
top.
4.
After
closing,
check
that
the
locking
latches
are
properly
engaged
and
the
gap
between
the
two
halves
of
the
housing
caused
by
the
main
O
‐
ring
is
evenly
spaced
for
the
whole
perimeter
of
the
housing.