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EZ Digital OS-3060D Especificações Página 38

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2-2-4. Real time mode mesurement
(I)
Single-trace mea
sur
ement
Single-trace measurement is the most elementary function of this
measuring instrument.
Use this mode when you intend to measure one single signal. Since
this in
strument
comprises two channels, just c
hoos
e one
of
CH I
and
CH2. CH 1
has
an
OlITPlIT
termi
nal
[2
0],
and
it is desirable for you
to use it when you i
ntend
to measure the frequency by means
of
a
frequency counter.
CH2, as the INVERT switch [ 1
8],
is practicable to have the polarity
of
waveform inverted.
<D
Set the switches as indicated below when you use the CH I.
Th
e
words in the
bra
cket r
epr
esent the setting when using CH2.
PO
WER
[
I]
ON
AC-GND-DC [
Il
], [12] AC
VE
R
TIC
AL
AXIS
POSrnO
N[ 1
7],[
18J : Mid rotat
ion
and
pu
shed
in
VARIABLE [ IS], [ 16J Fully
CW
and
pu
shed
in
V
MODE
[ 19]
CHI
(c
m)
HORlZ
. DISPLAY [21J A
AT
IME
VARIABLE[251 Fully
CW
and
pushed
TRI
GGER
MODE
[27J
AUTO
TRlG
SOURCE
[28]
CHI
(Cm
)
TRlG
LEVEL
[30]
Mid
rotation
HOLD
OFF
[29J
NORM
(positioning it at
the
end
of
CCW
)
® Position the trace
on
the center of
CRT
by adjusting the
Vertical
POSmON
control.
@
Connect
the signal by
means
of
the
'IN
conne
c
tor
[9J [IOJ
and
tum
the VOLT/DIY [ 13], [ 14] so as to make the signal fully
appear
on the CRT.
(Cautio
n)
Do
not
apply a signal gre
ater
than
2S0V (DC +
peak
AC) .
<D
Tum the
TIME
/DIY
switch [22] so as to make the signal bec
ome
the des ired cycle. F
or
the general
measur
ement display
of
2 or
3
cycles is suitable but when measuring the closed up
waveforms, display
of
50-100 cycles is
proper
.
And
adjust the
TRlG
GE
R LEVEL control [30] with having it rotated to make a
stable wavef
orm
appear
.
38
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