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After the i n s t r u m e n t is unpacked,
i t
should b e inspected f o r d a m a g e r e -
ceived in t r a n s i t .
lined i n the "Claim f o r D a m a g e i n Shipment" page at the back of this i n s t r u c t i o n
book.
If any shipping d a m a g e is found, follow the p r o c e d u r e out-
C o n t r o l s and T e r m i n a l s
--
DC O N
-
T h i s switch c o n t r o l s the d i r e c t c u r r e n t supplied to the DC
binding p o s t s and i n d i c a t o r l a m p which is lighted while t h e r e is voltage on
t h e s e binding p o s t s .
AC O N
-
T h i s switch c o n t r o l s the power supplied to the i n s t r u m e n t f r o m
the power line.
VOLTAGE CONTROL
-
T h i s v a r i a b l e r e s i s t o r v a r i e s the d i r e c t c u r r e n t
output voltage.
F U S E . 2 5 AMP
-
T h e fuseholder, located on the c o n t r o l panel, contains
T h e f u s e m a y b e r e p l a c e d by unscrewing the f u s e -
a - 2 5 a m p e r e c a r t r i d g e f u s e .
holder c a p and i n s e r t i n g a new fuse.,
FUSE 1.
6
AMP
-
T h e fuseholder, located on the control panel, contains
T h e f u s e m a y b e r e p l a c e d by unscrewing the f u s e -
a
1 . 6
a m p e r e c a r t r i d g e f u s e .
holder cap and i n s e r t i n g a new f u s e .
a 230 V power line, a n . 8 a m p e r e f u s e should b e used.
this i n s t r u m e n t m u s t b e of the "Slo-blo" type as specified in the Replaceable
P a r t s L i s t .
Whenever the i n s t r u m e n t is o p e r a t e d f r o m
Replacement f u s e s f o r
t D C
- B
GND
-
T h e s e t h r e e binding p o s t s a r e the DC output t e r m i n a l s and
the c h a s s i s ground t e r m i n a l .
CT,
6 .
3V
-
T h e s e t h r e e binding p o s t s a r e connected d i r e c t l y to the
6 .
3V
s e c o n d a r y of the power t r a n s f o r m e r .
tap of this secondary.
T h e C T t e r m i n a l is connected to the c e n t e r
P o w e r Cable
-
T h e power c a b l e c o n s i s t s
of
t h r e e conductors.
Two of
t h e s e conductors c a r r y power to the i n s t r u m e n t while the t h i r d conductor ( g r e e n
w i r e ) is connected to the i n s t r u m e n t c h a s s i s .
T h e t h i r d w i r e p r o j e c t s f r o m the
c a b l e n e a r the plug end of the c a b l e and m a y b e connected to a ground when i t is
d e s i r a b l e to have a grounded i n s t r u m e n t c h a s s i s ,
Operation
--
CAUTION
-
AVOID ELECTRIC SHOCK B Y TURNING T H E
DC
SWITCH
T O THE O F F POSITION B E F O R E
MAKING
ANY CONNECTIONS.
-2
-
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