Nikon Medical-Nikkor 120mm f/4 IF Manuel d'instruction - Page 6
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-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.