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Introduction-7854
I
N
STA
LL
ATIO
N
T
h
is i
n
st
rum
e
n
t was i
n
specte
d b
ot
h m
ec
h
anically a
nd
elect
r
ically
b
efo
r
e s
h
i
p
me
n
t
from the factory to
b
e free of mars or sc ratches an
d
to meet or exceed all electrical
specificatio n s. Up on recei pt, i nspect th e i nst ru me nt fo r any ph ysical
d
amage wh ic h
may
h
ave been incu rred
i
n transit . The n, refer α
q
ualifie d se rvice per son to th e
P
erfo rm ance C h ec k Pr oce
d
ure in t he Cali bration sectio n of t he 7854 Se r vice
Manual to ve r ify th e electrical performance of t he inst ru me n t. If mecha n ical
d
amage or performa n ce
d
eficie n cies a re fo und, co ntact you r local Te k tronix
F
iel
d
Office or r epr ese ntative .
O
PER
ATI
N
G P O
WER
I
NF
O
RM
ATIO
N
Th is i n st rument will operate from either α 115-volt or 230-volt
n
omin al line-voltage
so ur ce, 48 to 440
h
e r tz .
O
PER ATI N G
V
OLTAGE
T
he
L
I NE VO L TAG E
S
ELECTO R switch (located on the rea r pa n el of th e 7854
Oscillosco pe mainframe) allows selectio n of 115-volt o r 230-volt
n
ominal line
voltage operation . To select th e co rrect no m inal li ne voltage, fi rst cha n ge the power
co rd
a
nd p lug to matc h
t
h e powe r -so ur ce receptacle (if necessary) . T hen, use α
s
mall screw dr iver to move the
L
I NE VOLTAG E SELECTOR switch to the desired
ra nge .
)JCA U TIO N ~S
To pr event damage to the instrument, always chec k
t
he settings of the
LINE VOL TAGE
S
ELECTOR switch locate d on the
r
ea r pane/ ο!
t
he
7854 Oscilloscope mainframe befo re connecting t he instrument to t he
line-voltage so urce .
P
O WER CO R D INF O RM ATIO N
Α powe r co rd with the a pp ro priate
p
lug co nfigur atio n is s upplied with each
i
n st ru me nt . For yo ur conven ie nce t he colo r-co
d
ing of the powe r co rd co nd ucto rs is
given in Ta ble 1-1 . Also, shoul d you requ i re α power-cord plug other t han that
su pp lied, refer to the
P
ower-Cord and Pl u g I dentification Ta ble 1-2.
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