Dell Inspiron 3800 User Manual
Page 67

Appendix
67
Power consumption:
Panel (typical)
Backlight
0.7 W
1.6 W
Controls
brightness can be controlled through key
combinations
Keyboard
Number of keys
87 (U.S., Canada, Thailand, and locations
that use traditional Chinese); 88 (Europe);
90 (Japan)
Key travel
3.0
±
0.5 to –0.2 mm (0.12
±
0.02 to
–0.0008 inch)
Key spacing
19.05
± 0.3
mm (0.75 inch
± 0.012
inch)
Layout
QWERTY/AZERTY/Kanji
Touch Pad
Interface
PS/2 compatible
X/Y position resolution
(graphics table mode)
240 cpi
Size:
Thickness
2.8 mm (0.11 inch) at highest component
Width
55 mm (2.17 inch)
Height
39-mm (1.54-inch) rectangle
Weight
9.02 g (0.29 ounce)
Power:
Supply voltage
5 V
±
10%
Supply current
25 mA (maximum operating current) for
track stick and touch pad combined
ESD
in accordance with IEC-801-2
Display
(continued)