Tandy 1000 SL Technical Reference Manual page 484

(B-2)
Check procedure
(SKA
method)
(1) Connect a n SKA
r e f e r r i n g t o i t e m 3-2-4 a n s s e t
t h e F D PWR s w i t c h t o t h e
PSA
s i d e .
( 2 ) 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 ) .
( 3 ) Key i n
"CO"
and c o n f i r m t h a t t h e -'IT&CK i n d i c a t o r becomes
"00".
(
RECALIBRATE)
( 4 ) S e t t h e s t e p r a t e and t h e s e t t l i n g time as f o l l o w s r e f e r r i n g t o
i t e m
3-2 -4- 3.
FD-55BR (6msec s e e k model): S t e p rate 6msec, S e t t l i n g t i m e 15msec
FD-55BR (4msec s e e k model): S t e p r a t e Imsec, S e t t l i n g t i m e l O m s e c
FD-SSFR/GR: S t e p rate 3msec, S e t t l i n g t i m e 15msec
( 5 ) Key i n
"9". (STEP OUT)
(6) Confirm t h a t t h e head c a r r i a g e d o e s n o t move even i f
"9"
i s keyed i n
(head c a r r i a g e
rests
on t r a c k 0 0 ) .
( 7 ) Key i n "CO" and key i n "C5". (STEP TIMING)
( 8 )
Confirm t h a t no impact sound c a n be h e a r d between t h e head carriage
and t h e o t h e r f i x i n g p a r t s ( t r a c k
00
s t o p p e r ) .
(9) Turn o f f t h e F D P W R s w i t c h o f t h e SKA and d e p r e s s t h e head c a r r i a g e
l i g h t l y towards t h e rear end o f t h e FDD w i t h f i n g e r s .
w r k i n Fig.3422.
R e f e r
to a r r o w
(10) Turn on t h e F D PWR s w i t c h a g a i n .
m v e s t o i n n e r t r a c k a u t o m a t i c a l l y and t h e n i t r e t u r n s t o t r a c k 00
p o s i t i o n .
Confirm t h a t t h e head c a r r i a g e once
(11) Confirm that t h e
TOO
i n d i c a t o r o f t h e
SKA
i s on.
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3472
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