Keyboard, Touch pad, Battery – Dell Inspiron 15z (1570, Mid 2009) User Manual
Page 4

Luminance
200 nits
Maximum resolution
1366 x 768
Refresh rate
60 Hz
Operating angle
0° (closed) to 140°
Horizontal viewing angle
40/40
Vertical viewing angle
15/30 (H/L)
Pixel pitch
0.252 x 0.252 mm
Controls
brightness can be controlled through keyboard
shortcuts (see the Dell Technology Guide for
more information)
Keyboard
Number of keys
86 (U.S. and Canada); 87 (Europe); 90 (Japan);
87 (Brazil)
Layout
QWERTY/AZERTY/Kanji
Touch Pad
X/Y position resolution
(graphics table mode)
240 cpi
Width
79.5 mm (3.13 inches) sensor-active area
Height
40.2 mm (1.58 inches) rectangle
Battery
4-cell/6-cell “smart” lithium ion
Depth
53.2 mm (2.09 inches)
Height
21.4 mm (0.84 inches)
Width
209.4 mm (8.24 inches)
Weight
0.26 kg (0.57 lb) (4-cell)
0.35 kg (0.77 lb) (6-cell)
9-cell “smart” lithium ion
Depth
53.2 mm (2.09 inches)
Height
41.7 mm (1.64 inches)
Width
264.6 mm (10.41 inches)
Weight
0.52 kg (1.15 lb)
Voltage
11.1 VDC
Charge time (approximate)
4 hours (when the computer is turned off)