Pentax Spotmatic Spotmatic Manual - Page 18

Mercury, battery

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Mercury battery How to insert it Open the battery housing cover on the bottom cover plate with a coin. Insert the battery with (+) side toward the top of the camera. For replacement, use Mallory PX-400 or RM-400-R or equivalent. 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. 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 accident has been reported of a small child who has put a mercury battery into his mouth and has been hospitalized for serious gripes and stomach inflammation. Please always keep a mercury battery from the reach of small children. 16

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Mercury
battery
How
to
insert
it
Open
the
battery
housing
cover
on
the
bottom
cover
plate
with
a
coin.
Insert
the
battery
with
(+)
side
toward
the
top
of
the
camera.
For
replacement,
use
Mallory
PX-400
or
RM-400-R
or
equivalent.
-
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.
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
accident
has
been
reported
of
a
small
child
who
has
put
a
mercury
battery
into
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.
16