Proface PS4800 - 19 Panel PC" - Manual (Page 88)

Getting Started
88
Enabling/Disabling the EWF Manager
The status of the EWF Manager may be changed by running the
ChangeEWFstate.exe
program located in the C:\Utility\Change EWF
State directory. After running this program, you need to restart the system for the
change to take effect. You need administrator privileges to enable and disable the
EWF Manager.
Right Click from Touch Screen Interface
To access right click function from the touch screen, keep touching the screen for 2
seconds and the corresponding right click function will be activated (for instance,
menu will be displayed).
Calibrating a Touch Screen
If the touch position recognized in the panel deviates from the actual touch, you
need to calibrate the touch screen. Select the [Start] -> [All Programs] -> [Touch] -
> [Touch Screen Calibration]. When a cross appears on the screen, press it, then
click [OK] to finish the calibration.