Menu path: Setup > User Interface > Input > Touchscreen
To ensure that you can open the setup and navigate within it, the initial configuration should take place with a mouse and keyboard connected. The setup procedure with an on-screen keyboard is described below.
The touchscreen types currently supported are:
- Elographics serial touchscreens
- TSharc serial touchscreens
- EvTouch USB touchscreens
You will find the complete list of supported devices in the IGEL Linux 3rd Party Hardware Database.
- Touchscreen already calibrated
If you enable the touchscreen function, the touchscreen must be calibrated first. Unless you enable this option, calibration will begin automatically after each system boot.
- Swap X and Y values
Enable this option if the mouse pointer moves vertically when you move your finger in a horizontal direction.
- Minimum/maximum X value/Y value
These values are determined by the calibration tool. However, you can also change them manually.
- Let-go limit
The maximum permitted time (in milliseconds) between two instances of contact in order to still be registered a single touch. When moving windows by drag-and-drop, for example, your contact with the screen may inadvertently be interrupted. Increasing this value prevents the thin client from registering two individual contacts in this case.
- Contact limit
Determines how long (in milliseconds) the screen needs to be touched in order for the contact to be recognized.
- Baud rate (for serial touchscreens only)
Determines the speed of communication via the selected connection. (If in doubt, read the monitor manual.)
- Touchscreen connection
You can connect the touchscreen either to COM1 or COM2. Select your preferred connection here.
- Set driver-specific default settings
Click on this button once after changing the touchscreen type or to restore the default settings.
A list of the touchscreens currently supported by IGEL Linux can be found in the IGEL Linux 3rd Party Hardware Database.
Enable the on-screen keyboard for touchscreen use in the setup under Accessories > On-screen Keyboard.
Calibrate the touchscreen for optimum contact recognition. The touchscreen calibration application can be found under Application Launcher > System.
After launching the calibration program, you will see a pattern with calibration points which must be touched one after another.