Installation
and
Calibration
HP
11757B
tests,
notify
the
nearest
Hewlett-Pac
k
ard
oce.
If
the
shipping
con
tainer
is
damaged,
or
the
cushioning
material
sho
ws
signs
of
un
usual
stress,
notify
the
carrier
as
w
ell
as
the
Hewlett-Pac
k
ard
oce.
Keep
the
shipping
materials
for
the
carrier's
insp ection.
Preparation
for
Use
W
arning
T
o
a
v
oid
damage
to
the
instrument
mak
e
sure
that
the
v
oltage
selection
switch
on
the
back
of
the
instrument
is
set
properly
.
This
is
a
Safety
Class
I
product
(that
is,
it
is
pro
vided
with
a
protectiv
e
earth
terminal).
An
uninterruptible
safety
earth
ground
must
be
pro
vided
from
the
main
po
w
er
source
to
the
product
input
wiring
terminals
through
the
po
w
er
cable
or
supplied
po
w
er
cable
set.
Whenev
er
it
is
lik
ely
that
the
protection
has
been
impaired,
the
product
must
be
made
inoperativ
e
and
be
secured
against
any
unintended
operation.
If
this
instrument
is
to
be
energized
via
an
external
autotransformer,
mak
e
sure
the
autotransformer's
common
terminal
is
connected
to
neutral
(that
is,
the
grounded
side
of
the
line
(Mains)
supply
.)
Installation
Checklist
Before
plugging
the
F
ader
in
to
the
line
(Mains)
v
oltage,
ensure
the
follo wing
steps
are
taken:
1.
Chec
k
the
line
(Mains)
v
oltage
to
ensure
compatibility
with
the
F
ader
requiremen
ts.
2.
Chec
k
the
line
v
oltage
switch
on
the
F
ader's
rear
panel
to
ensure
prop er
selection
for
the
line
(Mains)
v
oltage.
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