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00
Command
0
2
3
4
5
6
7
"'
!='
00
0
"'
"'
Test 1-0
x
x
x
x
x
0
0
0
>-l
;;;.
Sense
x
x
x
x
0
1
0
0
id
"'
0
Read Backword
x
x
x
x
1
1
0
0
t'l
("')
Write
x
x
x
x
x
x
0
1
0
Read
x
x
x
x
x
x
1
0
z
>-l
Control
0
0
c
c
c
1
1
1
~
Mode Set
D
D
M
M
M
0
1
1
t"'
Mode Set
Control Code
c
c
c
(Density)
D
D
Rewind
0
0
0
200 bpi
0
0
Rewind and Unload
0
0
1
556 bpi
0
1
Erase Gap
0
1
0
800 bpi
1
0
Write Tape Mark
0
1
1
800 bpi*
1
1
Backspace Record
1
0
0
*
63
:;;:
Backspace File
1
0
1
Applies to 7 track op only, 9 track op
("')
Forward Space Record
1
1
0
overrides but does not reset 7 track mode
0
Forward Space File
1
1
1
setting.
~
8
All 9 track operations force 800 bpi and
t'l
~
add parity.
>
t"'
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