Elo TouchSystems 2403LM 24" Full HD Medical Touchscreen Monitor with TouchPro (Black, Includes Stand) - Manual (Page 15)

User Manual ET1903LM, ET2203LM, ET2403LM, ET2703LM REVB 15
Projected Capacitive Touch Technology
When connected to Windows 7 or 10 computers, the touch monitor can detect 10 simultaneous touches. When connected to Windows XP computers, the
touch monitor detects only single touches.
No additional drivers are required for this technology to work with Windows 7 or 10, as it uses Windows HID drivers.
Refer to Section 2, “Installing the Touch Technology Software Drivers,” for instructions on downloading touch drivers for Windows XP or RS232 touch.
No calibration is required for this technology.