Dell Precision 5540 Manuale tecnico - Pagina 20
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Table 16. Camera specifications (continued)
Description
Camera resolution:
Still image
Video
Infrared camera resolution:
Still image
Video
Diagonal viewing angle:
Camera
Infrared camera
Touchpad
The following table lists the touchpad specifications of your Latitude 5540.
Table 17. Touchpad specifications
Description
Touchpad resolution:
Touchpad dimensions:
Horizontal
Vertical
Touchpad gestures
Power adapter
The following table lists the power adapter specifications of your Latitude 5540.
Table 18. Power adapter specifications
Description
Type
Input voltage
Input frequency
Input current (maximum)
20
Specifications of Latitude 5540
Option one
● 60 W AC adapter, USB-C
● 60 W AC adapter, USB-C,
2-pin
100 VAC–240 VAC
50 Hz–60 Hz
1.70 A
Values
2.07 megapixel
1920 x 1080 (FHD) at 30 fps
0.23 megapixels
640 x 360 at 30 fps
80 degrees
86.6 degrees
Values
>300 DPI
115 mm (4.52 in.)
67 mm (2.64 in.)
For more information about touchpad gestures available on:
● Windows, see the Microsoft knowledge base article at
support.microsoft.com
● Ubuntu, see
ubuntu.com/support
Option two
65 W AC adapter
100 VAC–240 VAC
50 Hz–60 Hz
1.70 A
Option three
100 W AC adapter, USB-C
100 VAC–240 VAC
50 Hz–60 Hz
1.70 A