Kenwood FC-757, Инструкция по эксплуатации, Страница: 7 / 40

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