Precautions For Use - Kenwood FC-757 Instruction Manual

Universal counter
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3.

PRECAUTIONS FOR USE

a .
T u r n off
the product and then connect it
the A C w a l l outlet
cable cord.
Refer to the maintenance section in t h i s document
in changing the current power supply voltage
a new level
b.
The use of t h i s product
ambient conditions
Direct exposure to the
High-temperature and
Mechanical v i b r a t i o n and E l e c t r i c a l shock.
c.
The m a x i m u m input
counter are as f o l l o w s .
( F r o n t panel) Channel A Input juck :
250Vrms
( F r o n t panel) Channel B Input
125Vrms
( R e a r panel) T O T A L I Z E
Input juck : ± 5 V
( R e a r panel) E X T . IN input
by using the accessory power
under the
following
is s t r i c t l y
p r o h i b i t e d :
sunlight.
High-humidity.
voltage levels of
this
(5Hz to 60Hz)
j
c k :
U
(5Hz to 60Hz)
S T A R T / S T O P
juck : 1 0 V r m s
w i t h
d.
T h i s counter can s t a r t its operation a t
moment when power is applied.
30 minutes to
your job w i t h
to
assured.
However, w a i t
give it a w a r m and then s t a r t
it.
Accurate measurement w i l l be
the
7

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