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©
R E S E T
S w i t c h
The
R E S E T
s w i t c h is provided
counter
into 0.
ently of any operation
s w i t c h © .
If this s w i t c h is pressed
be reset to
0.
If t h i s s w i t c h is released, a new
cycle w i l l be s t a r t e d .
©
H O L D S w i t c h
The
H O L D s w i t c h
v a r i o u s operations shown below.
H O L D s w i t c h functions depend on
modes selected by F U N C s w i t c h © .
a . • In the operation
t o t a l count
If t h i s s w i t c h is pressed (
measurement value indicated
L E D s
is 'held' and the counter
If pressed again ( J B - ) ,
w i l l be s t a r t e d .
The
display value being 'held' is not
until the new measurement is complete.
12
to
clear the
T h i s s w i t c h can w o r k ,
mode selected by
the counter
measurement
is provided
to
perform
Note t h a t
operational
modes other
than the
measurement mode ( T O T A L / A ) :
t
h
e
by the display
is reset.
a new
measurement
b.
Event t o t a l counter ( T O T A L / A )
If this s w i t c h is pressed
measurement value indicated by the
independ-
L E D s
F U N C
terminated.
counting
w i l l
the T T L level of
T O T A L I Z E
High or the t e r m i n a l
before the new counting
M H z / m s ( j n L ) / k H z / j « s ( J B . ) S w i t c h
©
(Hereafter, t h i s s w i t c h is explained a s the
the
'display unit select' s w i t c h . )
If t h i s s w i t c h is pressed ( _ • • _ ) in the
measurement mode or
event
mode, the measurement value w i l l be displayed
in megaherz, in the period or t i m e
current
measurement mode, the measurement value w i l l
be displayed in
If t h i s s w i t c h
urement
microseconds.
updated
is 'held' and the event t o t a l count
If pressed again ( J H L ) ,
operation
w i l l be s t a r t e d .
the gate input signal to the
I N P U T / S T O P
input j u c k © should be
should be left
operation
the self-check
milliseconds.
is pressed again (ML),
d a t a w i l l be displayed in kiloherz
mode :
) , the
current
display
is
a new
Note t h a t
'open'
is s t a r t e d .
frequency
operation
interval
the meas-
or
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