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Keyboard
Layout
Function
Environmental Requirements
Condition
Temperature
Humidity
(non-
condensing)
Altitude
Maximum
wet bulb
Physical Characteristics
Width
Depth
Height
Weight
D-4 Specifications
Detachable, two position, 101/102 sculpted keys
(country-dependent)
58-key QWERTY main keyboard;
17-key numeric/cursor pad; 10 cursor
keys; additional 4-key cursor pad;
16 function keys (user-definable)
Four levels (normal, shift, control,
alternate); user-definable
Operating range
41° to 95° F
(5° to 35° C)
20% to 80%
-330 to 9900 ft
(-100 to 3000 m)
68° F (20° C)
17 inches (432 mm)
inches (406 mm)
16
6 inches (153 mm)
Single diskette drive model
(without keyboard): 26 lb (11.8 kg)
Non-operating
range
-4° to 140° F
(-20° to 60° C)
10% to 90%
-330 to 11880 ft
(-100 to 3600 m)
104° F (40° C)
Storage range
-4° to 140° F
(-20° to 60° C)
10% to 90%
-330 to 39600 ft
(-100 to 12000 m)
134° F (57° C)
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