U.M. 1

16
Mercury battery
How to check
it
1.
Set
the
shutter
speed dial to B
(bulb) position.
2.
Turn
the
ASA dial to ASA
100.
3.
Push
the
meter
switch
to
..
on "
position.
Look
at
the
meter's
needle
through
the
viewfinder.
If
the
needle rapidly
drops,
the
meter
battery
has sufficient
capacity; if it does not, replace
the
mercury
battery
.
How to replace
it
Open
the
batter
y housing
cover
on
the
bottom
cover
plate
with
a coin. ReĀ·
move
old
battery
and
insert
new
bat-
tery
with
( + ) side
toward
the
top of
the
camera.
For
replacement,
use
Mallory PX-400
or
RM-400-R
or
equiv-
alent.
CAUTION:
The
mercury
battery
is
like a
phonograph
record.
It
can be
damaged
by
skin
acids. Handle by
the
edges
with
a
dry
cloth only.
Be
sure
the
battery
is cleaned
with
the
cloth
before insertion into
the
camera
.
The
battery
is not rechargeable.
DANGER
! A serious
ac
cide
nt
has been reported
of
a small child who has
put
a mercury
battery i)lto his
mouth
and
has been hospitalized
for
serious gripes
and
stomach inflamma-
tion. Please always keep a mercury battery
from
the reach
of
small children.