Operation Manual
l. Bottery &
Bottery Check'
This
meter
requires
I
.3V
mercury
bottery
such
os M ollory
PX-
I
3,
RM
-6
2
5
or the
equivolent,
which
normolly losts
for obout o
yeor
ond
o
hoif.
In
order to
ovoid
possible
domoge
from
corrosion
of
the
bottery,
keep
it
out of
the
meter when
the meter
is
not
in
use
for
some extent
of time.
Before using
the
meter, test the
bottery for
suf
f
icient
strength. Press the
red
checker
button
eD
on the
bock
of the meter
ond
see
if
the
needle
@
sw
ings up
to the
red
mork
@
on
the scole
plote.
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