General
Safety
Considerations
W
ARNING
The
instructions
in
this
document
are
for
use
by
qualied
personnel
only
.
T
o
avoid
electrical
shock,
do
not
perform
any
servicing
unless
you
are
qualied
to
do
so
.
The
opening
of
covers
or
removal
of
parts
is
likely
to
expose
dangerous
voltages
.
Disconnect
the
instrument
from
all
voltage
sources
while
it
is
being
opened.
The
power
cord
is
connected
to
internal
capacitors
that
may
remain
live
for
ve
seconds
after
disconnecting
the
plug
from
its
power
supply
.
This
is
a
Safety
Class
1
Product
(provided
with
a
protective
earthing
ground
incorporated
in
the
power
cord).
The
mains
plug
shall
only
be
inserted
in
a
socket
outlet
provided
with
a
protective
earth
contact.
Any
interruption
of
the
protective
conductor
inside
or
outside
of
the
instrument
is
likely
to
make
the
instrument
dangerous
.
Intentional
interruption
is
prohibited.
F
or
continued
protection
against
re
hazard,
replace
fuse
only
with
same
type
and
ratings
,
(type
nA/nV).
The
use
of
other
fuses
or
materials
is
prohibited.
W
ARNING
Before
this
instrument
is
switched
on,
make
sure
it
has
been
properly
grounded
through
the
protective
conductor
of
the
ac
power
cable
to
a
socket
outlet
provided
with
protective
earth
contact.
Any
interruption
of
the
protective
(grounding)
conductor
,
inside
or
outside
the
instrument,
or
disconnection
of
the
protective
earth
terminal
can
result
in
personal
injury
.
Before
this
instrument
is
switched
on,
make
sure
its
primary
power
circuitry
has
been
adapted
to
the
voltage
of
the
ac
power
source
.
F
ailure
to
set
the
ac
power
input
to
the
correct
voltage
could
cause
damage
to
the
instrument
when
the
ac
power
cable
is
plugged
in.
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