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Kenwood FL-140 Instruction Manual page 11

Wow-flutter meter

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4.
PRECAUTIONS FOR USE
1.
Do not use t h i s meter in a place exposed to
direct sun light.
Otherwise, the internal
ature rises excessively, resulting' in unstable oper-
ation and, in some cases, breakage of t r a n s i s t o r s
and/or I C s .
2.
Do not use this meter a t high temperature and
humidity.
3.
Do not use t h i s meter in a place w i t h
v i b r a t i o n s .
Otherwise, the meter m a y malfunctions.
4.
The A C supply voltage shall be the rated voltage
±10%.
The supply frequency shall be 50 or 60Hz.
5.
P r i o r to turning on power, check for the mechan-
ical zero point of the--meters.
6.
Use this meter w i t h i n
and humidity
range f r o m
7.
P r i o r to s t a r t i n g wow and f l u t t e r measurement,
confirm
the standard used and conditions.
8.
The m a x i m u m input voltage of t h i s meter is 100V
( D C + A C peak).
Do not input a voltage over
Do not apply voltage to any of the output
nals.
the
temper-
excessive
the specification
temperature
10 to 35°C, 8 5 % R H .
t e r m i -
9.
Note t h a t accurate wow and f l u t t e r measurement
is not secured if t h i s meter is set up and put
down.
it.
11

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