OPERATING SAFETY
Refer
to
the Safety Summary in the
front
of
this manual
for
power source, grounding, and other safety considera-
tions pertaining
to
use
of
the instrument. Before applying
power, verify that the Line Voltage Selector Switch
and
the
Regulating
Range
Selector
Bar
are
both
set
for
the line volt·
age
being
used
and
that
the proper line fuse
is
installed.
~
This instrument may
be
damaged
if
operated with the
Line Voltage Selector switch
or
the Regulating
Range
Selector Bar set
for
the wrong applied line voltage
or
if
the wrong line
fuse
is
used.
LINE VOLTAGE SELECTION
This instrument operates
from
either a 115-volt
or
a
230-volt nominal line voltage source at 48 hertz
to
440
hertz. To convert the instrument
for
operation from one
line voltage
range
to
the other, move the Line Voltage
Selector switch located on the right
side
panel
(Figure
1)
to
the position indicating the correct nominal voltage.
In
special applications the power cord plug may require
replacement
with
a type
to
match the power source.
2
465B/DM44 Operators
MOD SLOTS
Figure
1.
Regulating range 181action and line fuse.
REV A FEB 1980
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