Dell Precision 7550 Handbuch für Einrichtung und Spezifikationen - Seite 23
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Table 18. Keyboard specifications(continued)
Description
Number of keys
Size
Shortcut keys
Touchpad
Table 19. Touchpad specifications
Description
Resolution:
Horizontal
Vertical
Dimensions:
Horizontal
Vertical
Fingerprint reader
The following table lists the fingerprint-reader specifications of your Precision 7550.
Table 20. Fingerprint reader on power button specifications
Description
Fingerprint-reader sensor technology
Fingerprint-reader sensor resolution
Fingerprint-reader sensor pixel size
Fingerprint-reader sensor
Table 21. Fingerprint reader on palmrest specifications
Description
Fingerprint-reader sensor technology
Values
•
United States and Canada: 101 keys
•
United Kingdom: 102 keys
•
Japan: 105 keys
X=18.70 mm key pitch
Y=18.05 mm key pitch
Some keys on your keyboard have two symbols on them. These
keys can be used to type alternate characters or to perform
secondary functions. To type the alternate character, press Shift
and the desired key. To perform secondary functions, press Fn and
the desired key.
NOTE:
You can define the primary behavior of the
function keys (F1–F12) changing Function Key Behavior
in BIOS setup program.
Values
1084
984
3.92 inches (99.50 mm )
80 mm (3.15 in.)
Values
Capacitive
500 / 363 ppi
•
X: 108 / 76
•
Y: 88 / 100
•
Horizontal: 8.40 mm x 6.90 mm
•
Vertical: 8.40 mm x 5.25 mm
Values
Capacitive
Technical specifications
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