Panel E X P L A N A T I O N; F R O N T Panel - Kenwood FC-757 Instruction Manual

4.

PANEL E X P L A N A T I O N

4 - 1

F r o n t panel

® P O W E R O N - — - / O F F J B L S w i t c h
The P O W E R O N / O F F switch is provided
apply power to this counter. If
the counter w i l l
( J H L ) , the counter w i l l
© G A T E Indicator ( L E D )
(3)
k H z / ^ s Indicator ( L E D )
The k H z / ^ s L E D indicator
remind the user of the current measurement
data unit.
T h i s L E D indicates the unit of the current
measurement operation.
active as long as the measurement unit is not
changed w i t h the measurement unit select switch
(not pressed).
If the frequency measurement mode or the self-
check mode is a c t i v a t e d , this indicator
that the measurement value is output in kiloherz.
The L E D indicates t h a t the measurement value
is displayed in microseconds if a period or
8
p r e s s e d ( _ • * . ) ,
be turned on. If pressed again
be turned off.
is provided to
T h i s L E D remains
means
interval is being measured.
becomes inactive when the frequency r a t i o
urement mode or the event t o t a l count measure-
to
ment mode has been started up.
© M H z / m s Indicator ( L E D )
The M H z / m s L E D indicator
remind the user of the current measurement
d a t a unit.
as the measurement unit is changed w i t h the
measurement unit select s w i t c h (pressed ) .
If the frequency measurement mode or the self-
check mode is a c t i v a t e d , this indicator means
t h a t the measurement value is output in mega-
herz. The L E D indicates t h a t the measurement
value is displayed in milliseconds if a period
time interval
T h i s L E D indicator
frequency r a t i o measurement mode or the event
t o t a l count measurement mode has been
started up.
time
T h i s L E D indicator
is provided
T h i s L E D becomes active as long
is being measured.
becomes inactive when the
meas-
to
or