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Table 15. Secondary tasks of keyboard keys (continued)
Key combination for task
fn and Cursor up
fn and Cursor down
Keys with alternate characters
There are other keys on your keyboard with alternate characters. The symbols that are shown at the bottom of these keys
are the main characters that are displayed when the key is pressed; the symbols that are shown at the top of these keys are
displayed when the key is pressed with the shift key. For example, if you press 2, 2 is displayed; if you press Shift and 2, @ is
displayed.
Camera
The following table lists the camera specifications of your Precision 3581.
Table 16. Camera specifications
Description
Number of cameras
Camera type
Camera location
Camera sensor type
Camera resolution:
Still image
Video
Infrared camera resolution:
Still image
Video
Diagonal viewing angle:
Camera
Infrared camera
What the task does
Page up
Page down
Values
One
● FHD RGB camera
● FHD RGB + IR camera
● FHD RGB+IR camera with Ambient Light Sensor, Express
Sign-In with Presence Detection and Intelligent Privacy
Front camera
CMOS sensor technology
2.07 megapixels
1920 x 1080 (FHD) at 30 fps
0.23 megapixels
640 x 360 at 30 fps
80 degrees
86.6 degrees
Specifications of Precision 3581
19
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