Fingerprint Reader (Optional); Sensor - Dell Precision 3490 Technical Manualbook

Table 21. Display specifications (continued)
Description
Diagonal
Display-panel native
resolution
Luminance (typical)
Megapixels
Color gamut
Color depth
Color
Pixels Per Inch (PPI)
Contrast ratio (typical)
Response time (maximum)
Refresh rate
Horizontal view angle
Vertical view angle
Pixel pitch
Power consumption
(maximum)
Anti-glare vs glossy finish

Fingerprint reader (optional)

The following table lists the specifications of the optional fingerprint-reader of your Precision 3490.
Table 22. Fingerprint reader specifications
Description
Fingerprint-reader sensor technology
Fingerprint-reader sensor resolution
Fingerprint-reader sensor pixel size

Sensor

The following table lists the sensor of your Precision 3490.
Table 23. Sensor
Sensor support
Ambient Light Sensor
24 Specifications of Precision 3490
Option one
355.60 mm (14.00 in.)
1920 x 1080
250 nits
2.07
45% NTSC
6-bit
262 K
157
600:1
35 millisecond
60 Hz
85 +/- degrees
85 +/- degrees
0.161 x 0.161 mm
3.10 W
Anti-glare
Option two
355.60 mm (14.00 in.)
1920 x 1080
400 nits
2.07
100% sRGB
True 8-bit
16.7 M
157
1000:1
35 millisecond
60 Hz
85 +/- degrees
85 +/- degrees
0.161 x 0.161 mm
2.50 W
Anti-glare
Values
Capacitive
500 dpi
108 x 88
Option three
355.60 mm (14.00 in.)
1920 x 1080
300 nits
2.07
72% NTSC
6-bit + FRC
16.2 M
157
600:1
35 millisecond
60 Hz
85 +/- degrees
85 +/- degrees
0.161 x 0.161 mm
4.60 W
Anti-glare