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3-1
Front panel
CD
W o w - f l u t t e r
meter
T h i s meter reads wow and f l u t t e r
" ©
W o w - f l u t t e r meter adjust screw
F o r adjustment
of the mechanical zero point of
the w o w - f l u t t e r meter.
power, adjust the meter to the accurate zero
point w i t h a phillips type screwdriver.
(3)
P O W E R
switch
Pressing this s w i t c h (button engaged) supplies
power to this meter, and the I N P U T M O N I T O R
lamp ©
goes on.
(D
F U N C T I O N switches
Select frequency components to be measured.
0 W T D
Used for
measurement based on weighted
acteristics common
Standards.
0 W O W
Measuress wow w i t h frequency components
0.5 to 6Hz (or 0.3 to 6Hz) ( 3 d B ) .
closed in parentheses are for
directly.
P r i o r to turning on
char-
to J I S , C C I R and DIN
f r o m
[ V a l u e s en-
D I N / C C I R . ]
0 F L U T T E R
• Measures f l u t t e r w i t h frequency components
6 to 200Hz ( - 3 d B ) .
0 U N W T D
Measures wow and f l u t t e r w i t h frequency
nents f r o m 0.5 to 200Hz (or 0.3 to 200Hz ) ( - 3 d B ) .
[ V a l u e s enclosed in parentheses are for
(I)
I N D I C A T I O N switches
Select the standard for
urement.
0 J I S
The meter CD reads effective values based on J I S .
O C C I R
The meter ®
reads peak values based on C C I R
S t a n d a r d .
O D I N
The meter (I) reads peak values based on
S t a n d a r d .
©
R A N G E switches
Select the f u l l scale of the w o w - f l u t t e r meter CD
out of f i v e ranges, 0.03% 0.1%, 0 . 3 % 1 % and 3%.
©
O S C selector switch
Selects the frequency of the signal output f r o m
f r o m
compo-
D I N / C C I R . ]
wow and f l u t t e r meas-
DIN
7
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