Texas Instruments 990 - Page 112

y
0
1
2
x
ERASE
PRINT
0
FIELD
....
1
Fl
F2
F3
2
0
1
2
-
3
•
ESC
RETURN
J
-+
•
•
4
CHAR
•
-
+-
'
5
K
M N
a
6
7
y
G
i
!
%
7
D
R
5
@.
I
.
8
2
1
Q
(A) 1 36314A
3
INSERT
CHAR.
F4
3
TAB
SKIP
-
>
•
J
v
z
-
ENTER
4
5 6
7
8
9
---
E
RASE
NPUT
t
HOME
--+
DELETE
I CHAR
---
CMD
NOT
USED
F5
F6
F7
F8
---
B
KEV 91
NOT USED
4
5 6
7
---
-+
II
K
EY 67
T USED
FIELD
I
?
I
FOR ~CEY
3
NO
..
[
+
c
s
A
+-
-·--
<
p
L
0
0
---
~~
9
B
H u
8
----
----
/\
F
T
6
SPACE x
---+--------t ... ------1--------+----·-----
$
E
4
#
3
w
NOT
USED
--------------- ---------------------11---------·---------
KEY 89
NOT USED
NOT
USED
NOT
USED
------------------.-.·------------~-------- ..... ------·~-----------------~
Figure 2.4. United States Model 911 VDT Keyboard Matrix Chart
~
"°
.....
Ul
.....
N
.....
'°
........
0
-