Display (continued)

Luminance

120 nits

Power consumption:

 

Panel (typical)

1.0 W

Backlight

3.4 W

Controls

brightness can be controlled through key

 

combinations

 

 

Keyboard

 

 

 

Number of keys

87 (U.S. and Canada); 88 (Europe); 90

 

(Japan)

Key travel

2.7 mm ± 0.3 to 0.4 mm (0.11 inch ± 0.016

 

inch)

Key spacing

19.05 mm ± 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

2.00 mm (0.08 inch) at highest component

Width

64.88 mm (2.55-inch) sensor-active area

Height

48.88-mm (1.92-inch) rectangle

Weight

6.5 g (0.23 ounce)

Power:

 

Supply voltage

5 V ± 0.5 VDC

Supply current

25 mA (maximum operating for track stick

 

and touch pad combined)

ESD

in accordance with IEC-801-2

Appendix

71

Page 71
Image 71
Dell 4000 manual Keyboard