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EZ Digital OS-3060D Specifikace Strana 26

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[29J
HOLD
OFF
[30J
TRIG
LEVE
L
TRI
GG
ER
SLOPE
[31J
E
XT
TRI
G IN
Thi
s
one
makes complicated signal triggerred
certa inly by
cha
nging the H
OLD
O
FF
time
of
the
main sweep. It is also effective in triggering
such
com
plicated signals as high frequency
signal, irregula r signal
or
digital signal,
etc. by extending sweeping time.
Adjust it slowly for the stabilized
triggering.
It
is n
orm
ally used after having
it fully rotated counterclockwise.
This one selects a starting p
oint
of
triggering signal.
When
the knob is rotated clockwise, the
trigger
point
moves toward the +(positive)
maximum value and when rotating it
counterclockwise, it moves toward - (negative)
maximum value.
Being used f
or
selecting trigger slope
of
the
initial sweep.
When
the switch is pressed,
this switch selects positive/
+)
slope and when
pulled. the switch indicates negative
(-)
slope.
Being used for connecting external trigger
signals to trigger circuits.
<CAUTION> To avoid damage to the oscilloscope, do not apply more than 250V(DC+Peak
AC) between "EXT Trig In" terminal and ground.
2-1-4. [32J
READOUT
READOU
T/CU
RS
OR
Fig. 2-4. Readou
t/
Cursor
Gi)
SELECT
:
Thi
s switch selects
cursor
to
chan
ge
among
6,
REF
,
TRACKING
(
"',
REF
) cursors.
The selected cursor is displayed on the top
(or
left side). (6 ,
\7)
26
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