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V
O
L
TS/DI
V
an d
V
A
R
IA
BL
E
2 . Set t
h
e Co
u
pling switc
h
to AC .
T
h
e amount of
d
eflectio
n p
rod
u
ce d by α sig
n
al is
d
etermine
d b
y t
h
e signal amplitu
d
e, t
h
e attenuatio
n
facto
r
of t
h
e
p
ro
b
e, t
h
e setting of t
h
e V O
L
TS/DI
V
switc
h
, an d
t
h
e
setting
of
t
h
e
VA
R
IA
BLE
Control .
Calibrate d
d
eflection factors re p resented
b
y t
h
e setting of t
h
e V O
L
TS/
DI
V
switc
h
apply only w
h
en t
h
e VA
R
IA
BLE
co
n
trol is i
n
t
h
e CA
L p
ositio
n
(
p
us
h
e d -in) .
T
h
e V A
R
IA
BLE
control
p
rovides variable u ncalibrate d
settings between t
h
e cali
b
rated ste p s of t
h
e V O
L
TS/DI
V
switc
h
.
W
it
h
t
h
e VA
R
IA
BLE
control outset fully co
u
nter-
cloc
k
wise t
h
e uncalibrated d eflectio
n
factor is extende d to
at least 2 .5 times t
h
e atte
n
uator setting . By
a
pp lyi
n
g α
calibrate d voltage source to t
h
e I
NPU
T co
nn
ector, any
specific
d
eflection factor can be set wit
h
in t
h
e range of t
h
e
V A
R
IA
BLE
co
n
trol .
P olarity Switc
h
T
h
e
P
O
L
A
R
ITY switc
h p
rovi des α means of inverting
t
h
e
d
isp laye d signal .
W
it
h
t
h
e
P
O
L
A
R
ITY set to +
UP,
α
p
ositive-going sig
n
al at t
h
e I
NPU
T
p
ro
d
uces an u
p
ward
d eflectio
n
of t
h
e C
R
T display . W it
h
t
h
e
P
O
L
A
R
ITY set to
I
NVER
T, α
p
ositive-going signal will
p
ro
d
uce α d ownward
d eflectio
n
of t
h
e C
R
T
d
isplay .
Trace I d entification
Wh
en t
h
e ID
EN
TI
F
Y
b
utton is
p
resse d , t
h
e trace is
deflected
u
p war d about 0 .3
d
ivision to i d entify t
h
e 7 Α 16 Α
trace . T
h
is feature is
p
articularly usef
u
l w
h
en multi p le
traces are
d
isplayed on t
h
e C
R
T . In mainframes wit
h
rea
d
out, it also rep laces t
h
e
d
eflection factor rea
d
out wit
h
t
h
e wor d "ID
EN
TI
F
Y".
General
A
PPL
ICATIO
N
S
P ea
k
-to-
P
ea
k V
oltage M easurements (AC)
To ma
k
e pea
k
-to- p ea
k
voltage meas
u
rements, use t
h
e
following p
r
oce dure :
1 . Apply
t
h
e signal to t
h
e In p ut co
nn
ector .
ΝΟΤΕ
ΝΟΤΕ
P
osition to
ce
n
ter vertical
line
Operation-7A 16A
For low-frequency signals below about 30
h
ertz, use
the DC position to prevent attenuation of the signal.
3 . Set t
h
e V O
L
TS/DI
V
switc
h
to
d
is play about five
vertical d ivisions of t
h
e waveform .
4 . Set t
h
e time-base Triggering controls for α stable
d is
p
lay . Set t
h
e Time
B
ase to α swee
p
rate w
h
ic
h
dis
p
lays
several cycles of t
h
e waveform .
5 . Tur
n
t
h
e 7 Α 16 Α
P
OSITIO
N
control so t
h
e lower
p
ortio
n
of t
h
e waveform coinci
d
es wit
h on
e of t
h
e gratic
u
le
li
n
es below t
h
e center
h
orizontal li
n
e, and t
h
e to
p
of t
h
e
waveform is wit
h
in t
h
e viewi
n
g area . Wit
h
t
h
e time base
P
osition co
n
t
r
ol, move t
h
e dis
p
lay so one of t
h
e u pper
p
ea
k
s lies
n
ear t
h
e center vertical line (see
F
ig . 2-1) .
6 .
M
easure t
h
e
d
ivisions of vertical
d
eflection
p
ea
k
to
p
ea
k
. C
h
ec
k
t
h
at t
h
e V A
R
IA
BLE
control is i
n
t
h
e CA
L
p
osition .
This technique can also be used to make measu
r
e-
ments between two
p
oints on the waveform,
r
athe
r
t
han
p
ea
k
to
p
eak.
T
h
e following i
n
formation
d
escribes t
h
e
pr
oce d ures a
n
d
tec
h
ni
q
ues for ma
k
ing meas
u
rements wit
h
α 7 Α 16 Α an d
t
h
e
associated
T
EK
T
R
O
N
IX oscillosco p e and time-base . T
h
ese
a pp licatio
n
s are
n
ot
d
escri
b
ed in
d
etail, since eac
h
a
pp lica-
tio
n
must
b
e a
d
a p ted to t
h
e re q ui
r
ements of t
h
e i
nd
ivi
d
ual
m eas
u
rements . T
h
is instrument can also
b
e used for many
a
pp
lications w
h
ic
h
are
n
ot
d
escribed in t
h
is manual .
defle
V e
r
c
ti
ι co ι
n
Co
n
tact your local T
EK
T
R
O
N
IX
F
iel d Office or represe
n
t-
ative for assistance in ma
k
ing s
p
ecific measureme
n
ts wit
h
t
h
is instrument .
F
ig . 2-1 .
M
eas
ur
i
n
g t
h
e pea
k
-to-pea
k
voltage of α waveform .
2-3
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