Kenwood FC-757, Инструкция по эксплуатации, Страница: 28 / 40

I N P U T S T A R T / S T O P j u c k , t h a t i s , if the t e r m i n a l
is left 'open', the count operation w i l l be
carried out because the t e r m i n a l level is T T L ' H \
(3) R E S E T s w i t c h © is provided to reset the
counter display to ' 0 '
If the s w i t c h is released w i t h T O T A L I Z E
I N P U T S T A R T / S T O P juck © left open, the
counter operation w i l l be s t a r t e d a t the
moment. If the s w i t c h is released w i t h
T O T A L I Z E I N P U T S T A R T / S T O P juck © in
use, the counting operation w i l l be depend
on the T T L level of the t e r m i n a l . If the
t e r m i n a l level is T T L high, it w i l l be s t a r t e d
immediately.
(4) Once the event input t o t a l measurement is
s t a r t e d , the measurement t o t a l value is output
to the display L E D continuously. The t e r m i n a l
count is 99,999,999 ( m a x . ) . If the t o t a l number
of measured events exceeds t h a t t e r m i n a l count,
O V E R F L O W L E D © w i l l be turned on while
the counting operation s t i l l continue.
(5) The counting operation m a y t e r m i n a t e in the
f o l l o w i n g three cases.
® The T T L level of the input gate signal to
, the T O T A L I Z E I N P U T S T A R T / S T O P juck is
L . In t h i s case, the counting measurement
is terminated and the t o t a l count value is
held by the D i s p l a y . If the gate signal
changes i t s T T L level f r o m L to H, the
counting measurement w i l l be s t a r t e d a g a i n .
® The user has pressed H O L D s w i t c h © .
In t h i s case, the counting measurement is
terminated and the t o t a l count value is
held by the D i s p l a y . If the H O L D s w i t c h
is pressed a g a i n , the counting measurement
w i l l be s t a r t e d a g a i n .
© The user has pressed R E S E T s w i t c h © .
In t h i s case, the counter is cleared and the
display value is reset to ' 0 ' . Note t h a t t h i s
product is reset each time when t h i s s w i t c h
is pressed.
Note: The input gate signal to T O T A L -
IZE I N P U T S T A R T / S T O P input juck
® prevents the input signal to
C H A N N E L A f r o m entering the
counter and then t e r m i n a t e s the
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