Keyboard, Battery – Dell Precision M40 User Manual
Page 82
Dimensions (active area): 15.0 inches
Height
228.1 mm (9.0 inches)
Width
304.1 mm (12.0 inches)
Diagonal
380.1 mm (15.0 inches)
Maximum resolution/colors
1600 x 1200/32-bit color (UXGA)
Response time (typical)
50.0 ms (20 ms rise, 30 ms fall)
Refresh rate
60 Hz
Operating angle
0° (closed) to 180°
Viewing angles:
Horizontal
± 40°
Vertical
+15°/–30°
Dot pitch
0.19 mm (15.0-inch UXGA)
Power consumption:
Panel (typical)
1.3 W
Backlight
3.4 W using battery, 4.9 W using AC adapter
Controls
brightness can be controlled through a key combination
Keyboard
Number of keys
87 (U.S., Canada, Korea, Thailand, and locations that use traditional Chinese);
88 (Europe);
90 (Japan)
Key travel
2.7 mm + 0.3 mm/
– 0.4 mm
(0.11 inch
± 0.016 inch)
Key spacing
19.05 mm
± 0.3 mm (0.75 inch ± 0.012 inch)
Battery
Type
8-cell lithium ion (dual battery support is available via the modular bay)
Dimensions:
Height
21.5 mm (0.83 inch)
Depth
88.5 mm (3.48 inches)
Width
139.0 mm (5.47 inches)
Weight
8 cell: 0.39 kg (0.87 lb)
Voltage
14.8 VDC
Capacity
8 cell: 59.0 WH
Charge time (approximate)
:
Computer on
2.5 hr
Computer off
1 hr
Battery life
2
–4 hours minimum with 8-cell standard battery
Life span (approximate)
400 discharge/charge cycles