Teac FD-55 Series - 238

When the IN USE signal (signal connector pin No.4) is TRUE, the indicator
turns on.
(4) Selection 4
When
the IN USE flip-flop in the FDD is set, the indicator turns on.
(a) The IN USE flip-flop is set when the DRIVE SELECT signal selected by
DSO ~ 3 straps becomes TRUE during TRUE-state of the IN aSE signal
(signal connector pin No.4)
(b) The IN USE flip-flop is reset when the DRIVE SELECT signal selected
by DSO ~ 3 straps becomes TRUE during FALSE-state of the IN USE signal.
IN USE
~ ;----------------.
t-...J __________________ J
IN USE flip-fl
C
1
I
op
j
DRIVE SELECT
1
I
Indicator turns
on(Selection
4)
I
Indicator turns
on {Selection
6)
500ns,Min.
500ns,Min.
i
.
I
I
Set
Reset
(Fig.209) IN USE signal latch (Selections 4 and 6>-
(5) Selection 5
The indicator turns on in either of the conditions of Selections land 3.
(6) Selection 6
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