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Tektronix 454A - Operating Instructions

Tektronix 454A
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Gene
r
al
F
r o
n
t
Cover
O
p
er at i ng
V
ol t age
.
SECTI ON
2
OPERATI NG
I NSTRUCTI ONS
Ch
ange
i nf or
m
at i on,
i f
a
n
y,
af f ect i
n
g
t
h
i s
sect
i
on
wi l l
be
f o
und
at
t
h
e
r
ear
of
t hi s
m
a
nu
al
.
To
ef f ect i vel y
u
se
t
h e
454zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
‘
,
t
h e o
p
er at i on
an
d
ca
p
a-
bi l i t i es
of
t
h e
i
n
st r ument
m
u
st
b e
k now
n
.
T
h
i s
sect i on
descr
¯
b
es
t
h e o
p
er at i o
n
of
t
h e
f r ont - ,
si de-
an
d
r ear -
p
anel
cont r ol s
and
co
n
du
ct or s,
gi ves
f i r st
a
n
d
gener al oper at i ng
i nf o
r
mat i on
an
d
l i st s
some
b
asi c
a
pp
l i cat i ons
f o r
t
h
i s
i nst r u-
m
e
n
t
.
T
h
e
f r ont
cover
f u
r
ni s
h
e
d
w
i t
h
t
h
e
454
‘
pr ovi
d
es
±
d
ust - t i g
h
t
seal
ar ound
t h
e f r ont
p
anel
.
U
se
t
h
e
cover
t o
p
r ot ect
t
h
e
f r ont
panel
w
h
en
st or i ng
or
t r a
n
s
p
o
r
t i
n
g t h
e
i nst r ument
.
T
h
e
cover
al so
pr ovi des
st o
r
age
s
p
ace
f or
pr
o
b
es
an
d
ot h er
accessor i es
( see
F
i g
.
2- 1)
.
µ±ÅĹ ź
454
‘ ™
R454
‘
Thi s i nst
r um
ent
i s
desi gned
f or
ope
r at i on f r
o
m
±
p
ower
so
u
r ce
wi t h
i t s
ne
u
t
r
al
at
o
r
n
ear
ear
t
h
F
i g
.
2- t
.
Accesso
r
y
st or age
p
r ovi
d
e d
i n
f r ont cover
.
( gr o u
nd)
p
ot e n
t i al
wi t
h ±
se
p
ar
at e
saf et y- ea
r
t
h
co
nd
u ct o
r
.
I t
i s
not
i nt e
nded
f ar
oper at i on
f
r
o
m
t wo
p h
ases
of
±
m
u
l t i - phase
syst e
m
,
or ac
r oss
t
h e
l egs
of
±
si ngl e-
ph
ase,
t
h r ee- wi r e syst e
m
.
3
.
To
conver t
f r
om
115- vol t s
nomi nal
t o 230- vol t s
nomi nal
l i ne
vol t age
or
vi ce
ver sa,
ÁÅ
#
™
o
u
t t h
e
V
ol t age
Sel ect or swi t c h bar
{ see
F
i g
.
2- 2)
;
t ur
n
i t
180
°
an
d
p
l ug
i t
T
h
e
454‘
can
be
o p
er at e
d
f r om
ei t her
±
115- vol t
or
±
back
i nt o
t h
e
r e
m
ai
n
i
n
g
h
ol es
.
Ch
a
nge
t
h e
l i ne- cor
d
power
230- vol t
no
m
i nal
l i
n e
vol t age
so
u
r ce
.
T
h
e
Li ne
V
ol t age
pl ug
t o
m
at c
h
t
h
e
p
ower - sour ce
r ecept acl e o r
u
se
±
115-
t o
Sel ect or
assembl y
on
t
h e
r ea
r panel
conve
r
t s
t
h
e
i
n
st r
u
ment
230- vol t
ada
p
t er
.
f
r
o
m
one
o p
er at i ng
r ange t o
t h
e
ot
h er
.
I n
a
dd
i t i on,
t
h
i s
assem
b
l y
c
h
anges
t
h
e
pr i mar y
connect i o
n
s
of
t
h
e
p
ower
t
r
ansf or
m
er
t o
al l ow
sel ect i on
of
one
of
t
h
r ee r eg
u
l at i ng
NOTE
r anges
.
T
h
e
assembl y
al so
i ncl u
d
es
t
h
e
t wo
l i ne
f u
ses
.
W
h
en
t
h e
i nst r u
m
ent
i
s
co
nver t e d
f r om
I 15- vol t
t o
230- vol t
Col or - codi ng
of
t
h e
ca
r
d cond
u
ct o
r
s
i s
as
f ol l ows
( i n
nomi nal
o
p
er at i on or
vi ce
ver sa,
t he
asse
m
bl y con
n
ect s
or
accor da
n ce
w
i t
h
N
at i onal
El ect r i cal
Co
d
e)
:
d
i sco
nn
ect s
one
of
t
h
e
f uses
t o
pr ovi de
t
h
e
cor
r
ect
pr ot ec-
t i on
f or
t he
i nst r
u
m
ent
.
U
se
t
h e
f ol l owi
n
g
pr
oce
d
u r e
t o
f i ne
B
l ac
k
conver t
t
h
i s
i nst r
u
m
ent
bet ween
no
m
i nal l i ne
vol t ages
or
N
e
u
t r
al
W
h
i t e
r egul ot i ng
r a n
ges
.
Saf et y
ea
r t
h
( gr o
un
d)
Gr een
1 .
Di sconnect
t
h
e
i nst r u
m
ent
f r o
m
t
h
e
p
ower
sour ce
.
4
.
To
c
h
ange
r egul at i
n g
r a n
ges,
ÁÅ“ ™
out
t h
e
R
ange
Sel ect or
s
w
i t c
h
bar
( see
F
i g
.
2- 2)
;
sl i
d
e
i t
t o
t
h
e
d
esi r e
d
2
.
L
oose
n
t
h e
t wo
cal
scr ews
w
h
i c
h h
ol
d
t
h e
cove
r
posi t i on
and
p
l ug
i t
back
i
n
.
Sel ect
±
r ange
w
h
i c
h
i s
ont o
t
h
e
vol t age
sel ect or
assembl y
;
t
h en
pul l
t o
r emo
v
e
t
h e
cent er ed
about
t
h
e
aver age
l i
n e
vo
l
t age t o
w
h
i c
h
t
h e
cove
r
.
i nst r u
m
ent
i s
t o
be
connect ed
( see
Tabl e
2- 1)
.

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