Tandy 1000 SL Technical Reference Manual page 457

1F 2F
(Fig.3417) Measurement o f r e s o l u t i o n
(9) C a l c u l a t e t h e r e s o l u t i c n b y s u b s t i t u t i n g t h e following e x p r e s s i o n
w i t h t h e measured v a l u e s VlF, V2F, and RESOLUTION c a l i b r a t i o n v a l u e
(see l e v e l d i s k l a b e l ) .
V2F
100
V1F C a l i b r a t i o n value
Resolution ( t r u e v a l u e ) =
-
(10) Confirm t h a t t h e t r u e v a l u e o f r e s o l u t i o n is w i t h i n t h e following
range.
Innermost t r a c k r e s o l u t i o n : 60%, Min.
(11) Execute items ( 5 ) through (10) f o r s i d e
0 and s i d e 1 heads
r e s p e c t i v e l y .
(12) I f t h e value i n i t e m (10) or (11) i s o u t o f t h e s p e c i f i e d range,
following c a u s e s are assumed.
( a ) I n f e r i o r d i s k :
Disk and/or j a c k e t is deformed
or damaged. Replace t h e l e v e l d i s k
w i t h a new one.
(b) I n f e r i o r d i s k r o t a t i o n a l speed:
Check f o r t h e speed according t o i t e m 3-4-6,
( c ) I n f e r i o r head touch:
Check f o r the head touch according t o i t e m 3-4-8.
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3445
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