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Check of Batteries
A mercury
battery
will
be
fully
usable
over a period of one
year
in normal circumstan
ces.
There will be
a sudden
drop
in
voltage
when its days
are
numbered. When
the
meter
needle visible in
the finder
is immovable
at a bright
place,
it
means that the battery has run down. You may
also check
the battery
in
the
following
manner:
1. While the Lens Release Button (27) is kept
dep
ressed
,
take
off
the
lens,
as
it is turned
cou
nterclockwise.
(See
P.23)
2.
Lift the
ou
ter
r ing around
the Shu tter Speed Dial (20)
and set
the
film
speed
to ASA 100.
3.
Turn the
shutter speed
dial
and set
it
to
1/
125
sec.
4. While
the
finder is being
looked
into
,
detach the Meter
Switch
(3) from
the position
of «OFF"
and
depress it in
the direction
of
"C". If
the meter
needle (49)
co
mes
in
alignment with
the Battery
Check
Mark
(50)
between
the
aperture readings of
f/
8
an
d
11, it means that the
battery is
fully
serviceable.
If
the
needle
has failed to
come to that point
or gone farther down
from that
point,
it
is
advisable
to
change
the battery with
a new
one.
•
Note that the
all
the
marks necessary
for the
checking
of
the
bat tery are
colored
in
red.
Make sure
that
the
meter
needle will
come
over
the red
mark
when the film
and
shutter speeds are set
to
the
red
and
the lever
is
depressed in
the
directi on
of the
red-colored alphabet
"C".
Check
the battery
in
the
correct ord er shown
on
the battery
check
seal
on the bottom
of
the
camera
body.
•
The meter
takes
two 1.35V National
H-C,
Mallory
PX-675
or Eveready
EPX-675 mercury battery
cells.
Care
must be
exercised in
selecting
the
cells
as
there
are
cells
which
look
identical
in
shape but
differ in
stipulated
voltage,
such
as
battery cells.
•
In the event
that your
camera is
not to be used
over
a
long span
of time, take
o ut
the mercury battery cells
and
keep
them in
a
place
free
from moisture.
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