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terminated
w i t h a resistor of
The
m a x i m u m
input voltage
©
A T T x 10 S w i t c h
The
A T T (enuation) x 10 switch is provided
enable the internal
operation.
If t h i s s w i t c h is pressed ( m ) , the
signal to channel A
then reaches the
counter.
If this s w i t c h is pressed again ( M L ) ,
signal to channel A reaches the counter
attenuation.
Note t h a t t h i s switch can w o r k together
channel A only but does not affect channel B.
©
- S L O P E
S w i t c h
The - S L O P E
switch is provided
user to select positive-going
going edge of the C H A N N E L A signal for
chronization.
If this s w i t c h is pressed ( - • • - ) ,
edge w i l l be selected for
If this s w i t c h is pressed again ( J B L ) ,
going edge w i l l be selected f o r
1.2 megaohm.
is 2 5 0 V r m s .
A T T e n u a t o r
circuit
input
is attenuated
into 1/10 and
the
input
w i t h o u t
w i t h
to permit
the
edge or
negative-
s y n -
negative-going
synchronization.
positive-
synchronization.
©
L P F S w i t c h
The
L P F s w i t c h is used to enable the low
f i l t e r circuit
to
If this switch is pressed ( m ) , the input signal
to channel A
f i l t e r of about
If
pressed again ( J B _ ) , the input signal reaches
the counter directly.
affect channel B.
@
T R I G . L E V E L
The
T R I G . L E V E L
knob provided to a l l o w the user to adjust
trigger
level of the input signals to the
C H A N N E L A
If the knob is pressed ( - * * - ) , the trigger
of an object sine wave signal is set to
center.
If the knob is pulled ( M L ) and then
counterclockwise, the
earlier point.
If
the knob is pulled ( J H . ) and then
clockwise, the
point.
operation.
is forced to enter a low
10kHz.
T h i s L P F switch does not
C o n t r o J / P U S H P R E S E T
c o n t r o l / P U S H
R E S E T is a
input
j u c k .
rotated
trigger
level moves
rotated
trigger
level moves to
pass
pass
the
level
its
to an
a later
11
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