Kenwood FC-757 Instruction Manual page 38

Seft open a f t e r the counter has entered the
self-check mode, and then v e r i f y t h a t the
output results agree to those listed below. .
3
Resolution *
value setting
0.01s/1
0.1s/10
1.0s/100
* 3 In the self-check mode, a n y one of the
resolution values 100Hz, 10Hz and 1Hz
can be selected w i t h these resolution
setting values.
* 4 G A T E L E D ©
interiod. The measurement interval
milliseconds.
(4) If the M H z / m s mode is selected w i t h the
display unit select switch and additionally
the resolution of 10s/1000 is specified by the
G A T E s w i t c h , the display d a t a w i l l be
38
G A T E
(measurement *
Output display
interval
10000.0 kHz
0.01 seconc
10000.00 kHz
0.1
second
10000.000 kHz
1
second
remains active during the
"88.8.8.8.8.8.8". A t the same t i m e , the
M H z / m s indication
L E D w i l l
w i l l become active f o r 10 seconds.
time
the counter has some circuit
4
(5) press H O L D switch © , the current measure-
period)
ment value on the display w i l l
G A T E
switch is being held down.
w i l l resume blinking a t the moment when the
H O L D s w i t c h is released. ( I f a resolution value
is changed, display d a t a w i l l
moment
is over.)
(6) Press R E S E T switch @ , and the current
value w i l l
is 200 The G A T E
R E S E T s w i t c h is being held down.
The G A T E
moment
The measurement d a t a on the display w i l l be
updated when the f i r s t G A T E
over.
L E D and the O V E R
both turn on. A n d the G A T E L E D
trouble.
L E D remains inactive while the H O L D
T h e G A T E L E D
be updated a t the
when the f i r s t G A T E interval
be cleared.
L E D remains inactive while the
L E D w i l l resume blinking
when the R E S E T switch is released.
interval time is
F L O W
Otherwise,
be held. The
period
display
a t the