Tandy 1000 SL Technical Reference Manual page 442

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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 a c c o r d i n g t o i t e m
3-2-4
and s e t 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 work disk.
( 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 t h a t t h e T R A C K i n d i c a t o r becomes
"00".
(
RECALIBRATE
(6) Key i n "Cl".
(SEEK TMAX)
(7)
Key i n "D3".
(WRITF./READ
LEVEL
PRE 2F)
( 8 )
W r i t e
2F and r e a d o p e r a t i o n s are r e p e a t e d .
The D A T A i n d i c a t o r ,
XXXX
(mV)
i n d i c a t e s t h e a v e r a g e r e a d l e v e l a t
TP4 and TP5 (Pre-amp.)
a f t e r e a c h c y c l e of o p e r a t i o n (one r o t a t i o n
of w r i t e
and one r o t a t i o n o f r e a d ) i s f i n i s h e d .
( a ) When SKA3
i s used:
By k e y i n g i n "D3", s i d e
0
and s i d e 1 r e a d l e v e l 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 S K A
i s
used:
Depress "F"
key (STOP) and t h e n d e p r e s s "4" key t o e x e c u t e i t e m s
( 7 )
t h r o u g h (10)
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 o f "4* key.
If
s i d e 1
is
s e l e c t e d , SIDE 1 i n d i c a t o r o f t h e
SKA
t u r n s
on.
( 9 )
Observe t h e D A T A i n d i c a t o r s w i t h
a
s l i g h t d e p r e s s i o n (very s l i g h t
-
3430
-

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