Pavé Tactile; Fingerprint Reader - Dell Precision 7550 Guide De Configuration Et De Spécifications

Tableau 18. Caractéristiques du clavier(suite)
Description
Disposition
Nombre de touches
Taille
Touches de raccourci
Pavé tactile
Tableau 19. Caractéristiques du pavé tactile
Description
Résolution :
Horizontale
Verticale
Dimensions :
Horizontale
Verticale

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
Valeurs
QWERTY
• 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.
REMARQUE : You can define the primary behavior of the
function keys (F1–F12) changing Function Key Behavior
in BIOS setup program.
Valeurs
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
Caractéristiques techniques 23