Tastatur; Touchpad; Fingerprint Reader - Dell Precision 7550 Einrichtung Und Spezifikationen

Tastatur

Tabelle 18. Tastaturspezifikationen
Beschreibung
Typ
Layout
Anzahl der Tasten
Größe
Tastaturbefehl

Touchpad

Tabelle 19. Touchpad
Beschreibung
Auflösung:
Horizontal
Vertikal
Abmessungen:
Horizontal
Vertikal

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
Werte
Standard keyboard
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.
ANMERKUNG: You can define the primary behavior of
the function keys (F1–F12) changing Function Key
Behavior in BIOS setup program.
Werte
1084
984
3.92 inches (99.50 mm )
80 mm (3.15 in.)
Values
Capacitive
500 / 363 ppi
• X: 108 / 76
• Y: 88 / 100
Technische Daten 23