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Tektronix 454A - Page 133

Tektronix 454A
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at
any
p
oi nt
al ong
t
h
e
p
osi t i ve
sl o
p
e
of
t
h
e
wavef or m
at
any
poi nt
al ong
t
h
e
negat i ve
sl o
p
e
of
t
he
wavef or m
( i n
d
i cat eszyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
T
R
I GG
ER
I
N
G
LEVEL
cont r ol
r ange
of
at
( i n
d
i cat es
T
R
I GG
ER
I
N
G
LEVEL
cont r ol r ange of
at
l east
+
and
-
20
vol t s)
.
Di s
p
l ay
i s
not
t r i gger e
d at
ei t
h
er
l east
+
an
d
-
2
vol t s)
.
Di sp
l ay
i s
not
t r i gger e
d
at
ei t
h
er
ext r eme
of
r ot at i on
.
ext r eme
of
r ot at i on
.
m
.
Set
t
h
e
H
O
R
I Z
DI S
PL
AY
swi t c
h
t o
( D
E
LAY
E
D
½
.
Set
t
h
e
T
R
I GG
ER
I
N
G
S
L
O
PE
swi t c
h
t o
+
.
S
WEEP)
.
É
.
C
HE
C
K
-
R
ot at e
t
h
e
T
R
I GG
ER
I
N
G
LEVEL
con-
n
.
R
emove
t
h
e
BN
C
cabl e
f r om
t
h
e
§¤
T
R
I G
I
NPU
T
t r ol
t
h
r ougho
u
t i t s
r ange
and
c
h
ec
k
t
h
at d
i s
p
l ay
can be
connect or
an
d
r e- i nst al l
i t
on
t
h
e
§¤
T
R
I G
I
NPU
T
t r i gger e
d
at
any
p
oi nt
al ong
t
h
e
p
osi t i ve
sl ope
of
t
h
e
wave
connect or
.
f or m
( i ndi cat es
T
R
I GG
ER
I
N
G
LEVEL
cont r ol
r ange
of
at
l east
+
an
d
-
2
vol t s)
.
Di s p
l ay
i s
not
t r i gger ed
at
ei t
h
er
ext r eme
of r ot at i on
¿
.
Set
t
h
e
T
R
I GG
ER
I
N
G
SO
UR
C
E
swi t c h
t o
¤
an d
t
h
e
T
R
I GG
ER
I
N
G
SO
UR
C
E
swi t c h t o
§¤
=10
.
Á
.
C
HE
C
K
-
R
ot at e
t
h
e
T
R
I GG
ER
I
N
G
LEVEL
cont r ol
t
h
r o
u
g
h
out
i t s
r ange
an
d
c
h
ec
k
t
h
at
d
i spl ay
can
be
t r i gger e
d
at
any
p
oi nt
al ong
t
h
e
p
osi t i ve
sl o
p e of
t
h
e
wa
v
ef or m
( i n
d
i cat es
TRI GG
ER
I
N
G
LEVEL
cont r ol
r ange of
at
l east
+
an d
-
20
vol t s)
.
Di s
p
l ay
i s
n
ot
t r i gger e
d at
ei t
h
er
ext r eme
of
r ot at i on
.
s
.
Set
t
h
e
C
H
1
V
O
L
TS/ DI
V
swi t c h t o
1
an d
t
h
e
T
R
I GG
ER
I
N
G
SO
UR
C
E
swi t c
h
t o
EXT
.
Ç
.
Di sconnect
al
t est
eq u
i
pment
.
P
er f or mance
C
h
ec
k
- 454
/
R
454A
25
.
C
h
ec
k
Aut o
R
ecover y
Ti me
an
d
O
p
er at i on
±
.
Set
t
h
e
¤™œ
/ DI
V
swi t c
h
t o
50
ms
an d
t
h
e
S
WEEP
M
OD
E
swi t c
h
t o
A
U
TO
T
R
I G
.
b
.
Connect
t
h
e
out
p ut of
t
h
e
2901
Ti me
M
ar
k
Gener at or
q
.
Set
t
h
e
T
R
I GG
ER
I
N
G
S
L
O
PE
swi t c
h
t o
-
.
t o
t
h
e
C
H
1
i nput
connect or
t
h r o
u
g h ± 42- i nc
h
50
©
BN
C
ca
b
l e
.
r
.
C
HE
C
K
-
R
ot at e
t
h
e
T
R
I GG
ER
I
N
G
LEVEL
cont r ol
t
h
r o
u
g
h
o
u
t
i t s
r a
n
ge
an
d
c h
ec
k
t
h
at
d
i s
p
l ay
can
be
t r i gger e
d
c
.
Set
t
h
e
t i me
mar
k
gener at or
f or
50 ms
t i
m
e
mar
k
er
at
any
p oi nt
al ong
t
h
e
negat i ve
sl o
p
e
of
t
h
e
wavef or m
o u
t
p ut
.
( i n
d
i cat es
T
RI GG
ER
I
N
G
LEVEL
cont
r
ol
r ange
of
at
l east
+
an
d
-
20
vol t s)
.
Di s
p
l ay
i s
not
t r i gger e
d at
ei t
h
er
ext r eme
of
r ot at i on
.
d
.
C
HE
C
K
-
st a
b
l e
d
i s
p
l ay
can
be
obt ai ne
d
by
a
d
-
j u
st i ng
t
h
e
T
R
I GG
ER
I
N
G
LEVEL
cont r ol
.
M
ar
k
er
m
u
st
be at t
h
e
st ar t
of
t
h
e
swee
p
.
e
.
Set
t
h
e
t i me
mar
k
gener at or
f or
0
. 1
secon
d
t i me
t
.
A
d j u
st t
h
e
l ow- f r equency
si gnal
gener at or
o
u
t p
u
t
mar
k
er
out
p
u
t
.
am
p
l i t
u
d e
f or
±
4
d
i vi si on
di s
p
l ay
of
±
1
kH
z
si gnal
.
f
.
C
HE
C
K
- Swee
p
f r ee
r uns an d
st abl e di s
p
l ay
cannot
b
e
Å
.
C
HE
C
K
-
R
ot at e
t
h
e
T
R
I GG
ER
I
N
G
LEVEL
cont r ol
o
b
t ai ne
d
.
I f
st a
b
l e
d
i s
p
l ay
i s
obt ai ne
d
,
mar
k
er
must
not
be
t
h
r oug
h
o
u
t
i t s
r ange
an
d
c
h
ec
k
t
h
at
d
i s
p
l ay
can
b
e
t r i gger e
d
at
t
h
e
st ar t
of
t
h
e
swee
p
.

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