Table 18. Keyboard specifications(continued)
Description
Values
Y=18.05 mm key pitch
Shortcut keys
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.
Touchpad
Table 19. Touchpad specifications
Description
Values
Resolution:
Horizontal
1084
Vertical
984
Dimensions:
Horizontal
3.92 inches (99.50 mm )
Vertical
80 mm (3.15 in.)
Fingerprint reader
The following table lists the fingerprint-reader specifications of your Precision 7750.
Table 20. Fingerprint reader on power button specifications
Description
Values
Fingerprint-reader sensor technology
Capacitive
Fingerprint-reader sensor resolution
500 / 363 dpi
Fingerprint-reader sensor pixel size
•
X: 108 / 76
•
Y: 88 / 100
Fingerprint-reader sensor
•
Horizontal: 8.40 mm x 6.90 mm
•
Vertical: 8.40 mm x 5.25 mm
Table 21. Fingerprint reader on palmrest specifications
Description
Values
Fingerprint-reader sensor technology
Capacitive
Fingerprint-reader sensor resolution
508 dpi
Fingerprint-reader sensor pixel size
360
Technical specifications
23
