Tabel 18. Toetsenbordspecificaties(vervolg)
Omschrijving
Opmaak
Aantal toetsen
Grootte
Sneltoetsen
Toetsenblok
Tabel 19. Specificaties touchpad
Beschrijving
Resolutie:
Horizontaal
Verticaal
Afmetingen:
Horizontaal
Verticaal
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
Waarden
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.
OPMERKING:
You can define the primary behavior of
the function keys (F1–F12) changing Function Key
Behavior in BIOS setup program.
Waarden
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
Technische specificaties
23