-OPERATION-continued-----------------------
CONNECTING
THE
POWER SUPPLY
The
Medical-Nikkor
120mm
f/4
accepts
either
AC
or
DC
power
units
, allowing
the
lens
to
be used
indoors
or
out.
• DC
Power
Unit
LD-2
This
battery
unit
holds
eight
1.5V
AA-type
penlight
batteries.
To
install
the
batteries, first slide
the
battery
chamber
lid
in
the
direction
of
the
arrow,
and
open
the
lid (1). Remove
the
battery
clip. Load
the
batteries
making sure
that
the
positive and negative
(+
and
- )
poles are aligned
correctly
as
shown
inside
the
battery
clip.
Put
the
battery
clip
back
into
the
chamber,
making
sure
that
the
contacts
go
in
first (2).
Then,
slide
the
lid back
into
place. When replacing
batteries,
replace
all
eight
at
once.
To
connect
the
battery
unit
to
the
lens, plug
one
end
of
the
power
cord
5C-21 (supplied with
the
lens)
into
the
power
socket
on
the
lens barrel by aligning
the
arrow
on
the
plug with
the
T
mark
next
to
the
socket
(3).
Then
,
align
the
white
dot
on
the
other
end
of
the
plug with
the
metallic
dot
near
the
edge
of
the
LD-2's
power
socket,
and
push
the
plug
into
the
socket
until it clicks
into
place (4).
To
remove
the
plug
from
the
DC
unit,
grasp
the
plug
by
its metal locking ring
and
pull
it
out.
Caution:
Before
connecting
the
power cord SC-21
to
or
discon.-
necting
it
from
the LD-2, make sure
that
the power switch
is
off. Otherwise,
the
ringlight might be damaged.