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( B - 2 ) Check p r o c e d u r e (SKA method)
(1) Connect a n
SKA
and check c a b l e r e f e r r i n g t o i t e m
3-2-4
and
set
t h e
F D
P W R s w i t c h t o t h e
PSA
s i d e .
( 2 )
I n s t a l l a l e v e l d i s k .
( 3 ) S t a r t t h e s p i n d l e motor by key "5".
(MON i n d i c a t o r t u r n s o n ) .
( 4 )
Execute d r i v e
select
by key "0".
(DSO
i n d i c a t o r t u r n s o n ) .
(5) Key i n
"CO"
and c o n f i r m that t h e TRACK i n d i c a t o r becomes
"00".
(
RECALIBRATE)
(6) Key i n
" C l " .
(SEEK T M A X )
( 7 ) Key i n "D8".
(RESOLUTION)
C a l i b r a t i o n v a l u e of t h e l e v e l d i s k s h o u l d b e s e t p r e v i o u s l y i n t h e
SKA.
( 8 )
The D A T A i n d i c a t o r ,
X X X X
( % I
i n d i c a t e s t h e r e s o l u t i o n a t TP4 and TP5
(Pre-amp.
1
.
(a) When SKA3 i s used:
By keying i n "D8", s i d e 0 and s i d e 1 r e s o l u t i o n s
are
i n d i c a t e d on
D A T A
0
and D A T A 1 i n d i c a t o r s s u c c e s s i v e l y .
(b)
When c o n v e n t i o n a l
SKA
i s used:
Depress key
"4"
(STOP) and them e x e c u t e i t e m ( 7 )
for
s i d e
0
and
s i d e 1 heads r e s p e c t i v e l y .
The s i d e
i s
changed a l t e r n a t e l y by a
d e p r e s s i o n
of
"4"
key.
o f t h e
SKA
t u r n s on.
When s i d e 1 i s s e l e c t e d , SIDE 1 i n d i c a t o r
(9)
Confirm that b o t h
resolution
v a l u e s
are
w i t h i n t h e f o l l o w i n g
range.
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