Tandy 1000 SL Technical Reference Manual page 403

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( 2 )
Index burst timing
(a) Key in "E5".
(CALIBRATION INDEX TIMING)
(b) Side 0 calibration value set at that time is indicated in the latter
three digits of the DATA 0 indicator, XXXX
(ps),
and the polarity is
indicated in the initial digit.
Refer to item (l)-(b).
If a
"0"
is indicated, the polarity is positive.
( c )
Key in a polarity and a new calibration value (three digits, Max.)
of
side 0 written on the alignment disk label.
Refer to item (l)-(c) as
to the polarity designation.
(d) Depress "F" key.
(Completion of side 0 calibration setting)
(e) Side 1 calibration value set at that time is indicated in the latter
three digits of the DATA 1 indicator, XXXX
( u s ) ,
and the polarity is
indicated in the initial digit.
(f) Key in a polarity and a new calibration value (three digits, Max.)
of side 1 written on the alignment disk label.
Refer to item ( l ) - ( c )
as to the polarity designation.
Note: If there is no change in the calibration value, omit items
(c)
and
(f)
.
(g) Depress "F" key.
(Completion of side 1 calibration setting)
e.g. Double sided FDD, SIDE
0
ALIGNMENT
+ 3 % ,
SIDE 1 ALIGNMENT -5%
SIDE
0
INDEX TIMING -4Ops, SIDE 1 INDEX TIMING
20LIs:
EO
3
F B5
F,
E5 B40 F 20 F
-
3227
-

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