Touch, Support os, Touch sensor input accuracy – Dell P5524QT 55" UHD 4K Touchscreen Commercial Monitor User Manual
Page 15: Touch support os touch sensor input accuracy
About your display | 15
Touch
Type
InGlass
TM
Touch Technology
Input Method
Finger and stylus
Interface
USB HID Compliant
Touch point
Up to 20 points touch
Up to 4 pens
NOTE: Touch Pen and Eraser differentiation ready (functionality subject to
application).
Support OS
OS
Version
Touch Pen
Eraser
Windows
7 Pro and Ultimate
20
4
1
8, 8.1
20
4
1
10
20
4
1
Chrome OS Linux kernel version 3.15 (3.10) or later
1
20
4 (0)
1 (0)
Android
4.4 (KitKat) with Linux kernel 3.15 (3.10) or later
1
20
4 (0)
1 (0)
Other Linux
based OS
Linux kernel 3.15 or later
20
4
1
macOS
10.10, 10.11
1 (mouse
2
)
No
1
Functionality of Linux kernel has been verified on Ubuntu 14.04 and Debian 8.
Functionality of Chrome OS and Android with Linux kernel 3.15 or later recommended.
2
Mouse emulation in landscape mode. Full multi-touch requires additional drivers on
the host system.
Touch sensor input accuracy
Typ
1
Maximum
2
Unit
Touch sensor input
accuracy
Center area
3
1.0
1.5
mm
Edge area
4
1.2
2.0
mm
1
Average accuracy at the specified input area.
2
95-percentile accuracy of specified input area.
3
>20 mm from active touch area edge
4
>20 mm from active touch area edge