B l o c k S e l e c t
C o n d i t i o n s
I n s t r u c t i o n
T e r m i n a t i o n
H o w I n d i c a t e d
T o P r o g r a m
I n d i c a t o r
C l e a r a n c e
C o m m e n t s
1. Inoperable before
Block Select.
At time
detected
Option 1
A
0
2
x
= 1
(Inoperable)
Manual Reset
2. Inoperable during
Block Select.
At time
detected
Option 1
A
0
2! = 1
(Inoperable)
Manual Reset
3. No card on capstan.
At time
detected
Option 1
A
0
2
3
= 1
(Illegal
Operation)
Next Read
Write or Select
4. Card released due to
exceeding 32 unserv-
iced revolutions.
At time
detected
A
0
Option 1
2
2
= 1
2
3
= 1
(Illegal
Operation and
32 Revolu
tions)
Next Read
Write or Select
32 Revolution Indicator is cleared
by issuing an unconditional Card
Removal. Block Select not permis
sible is set when this occurs.
5. Block Select not
permissible.
At time
detected
Option 0
A
0
2
3
= 1
Option 1
A
0
2
3
= 1
(Illegal
Operation)
Next Read
or Write
XV-13
Summary of Contents for 301
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