Texas Instruments 990 Installation And Operation

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Table 4-1. United States and European Keyboard Mode Selection
SHIFT
Up
Up
Don't Care
Down
SHIFT
CONTROL
Up
Up
Don't Care
Down
Up
Down
ERASE ERASE
FIEL.D INPUT
•
PRINT
INS DEL
CHAR • CHAR
CURSOR CONTROL
AND EDIT
Up
Up
Down
Up
Up
Up
Fl
Mode-Select Key Positions
CONTROL
UPPER CASE LOCK
Up
Up
Up
Down
Down
Don't Care
Up
Don't Care
Keyboard
Mode
Lowercase
Uppercase
Control
Shift
Table 4-2. Japanese Katakana Keyboard Mode Selection
Mode-Select Key
Positions
Keyboard
Mode
UPPER CASE LOCK
Alphanumeric
Katakana
Up
Down
Up
Lowercase Alpha
Down
Down
Up
Uppercase Alpha
Don't Care
Don't Care
Don't Care
Control
Don't Care
Down
Up
Shifted Alpha
Don't Care
Up
Down
Unshifted KANA
Don't Care
Up
Down
Shifted KANA
SPEC IAL CONTROL
F2 F3 F4
F5
F6 F7 FB
CMD
7 B
4 5
1
2
0
SPACE
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Figure 4-1. United States Model 911 Keyboard
9
€
3
.
4-2
Digital Systems Division
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Texas Instruments 990 Specifications

General

Brand	Texas Instruments
Model	990
Category	Desktop
Language	English