calibrate lcd touch screen manufacturer

One of the most common questions our Tech Support group receives is how to calibrate the touch screen, usually during the initial installation. To help users through the process, we’ve created this step-by-step guide for Microsoft Windows users.

These instructions apply to Windows versions 7, 8, and 10 when using the USB touch screen interface – there may be small differences depending on your version.

Before calibrating your touch screen, the Elo Touch Screen driver must be installed using the steps in the Installing the Elo Driver section below, unless the drivers were previously installed. If you are unsure whether the driver has been installed, see the Checking for the Elo Driver section.

A driver that was not properly installed could result in a screen that will not calibrate. If there is any doubt, remove the driver using steps in the Removing the Elo Driver section below, then reinstall using the Installing the Elo Driver instructions below.

When installing the Elo Driver for USB touch screens, it is very important that the USB cable is left unplugged until the driver has been successfully installed. The driver may not properly install if the touch screen USB cable is plugged in before the driver is installed.

Downloading the most recent Elo Touchscreen Windows driver from our drivers page is preferred, but the driver can also be found on the CD-ROM that ships with the industrial display. In either case, copy the driver to any location on the machine’s drive.

Note: all Hope Industrial touch screens support both Serial and USB connections, but installation of the Serial connections is not covered by these instructions. Please contact support if any help is needed with the Serial driver installation.

Connect the USB cable from the touch screen monitor to the computer. Windows will detect the device and associate the driver. When this is complete, go to the Calibrating/Aligning the Touch Screen section below for calibration instructions.

Once the driver is properly installed, the screen can be calibrated.Open the Windows Control Panel. For help opening the Control Panel for your version of Windows here is a guide. Once the control panel is open, select View By > Small icons in the top-right of the window.

The calibration routine will begin, and will present you with a series of targets to press in turn followed by a confirmation screen – just follow the onscreen instructions to complete the calibration.

If the “Elo Touchscreen” icon is in the list of icons, the touch screen driver has already been installed. Proceed to the Calibrating/Aligning the Touch Screen section of this page.

Note that to properly remove the Elo Driver before reinstallation, it is very important to unplug the touch screen USB connection before proceeding. Failure to do so can cause future driver reinstallation to fail.

When re-installing the driver, the USB cable should not be reconnected until the driver installation is successfully completed.Confirm that the touch screen USB cable has been disconnected.

Tap the Mode button (see green rectangle in image below) on the bottom edge of the screen to go to the Setup menu. On a wall-mount touchscreen this is accessible after removing the screen from the wall. Portable wired touchscreens have a door below the display that hinges toward you to reveal the buttons and LEDs. The wireless handheld P-LCD has a plastic door that opens at the top (thinner edge, opposite the power button), after which you tilt the antenna up to access the button.

There are separate instructions below, depending on which hardware model and which firmware version it’s running. The model type is on a sticker found on the back of the touchscreen.

A white screen with a + symbol will show up in the top left corner. Tap it with your finger or stylus, and repeat for the other four that subsequently pop up after each press.

Press {Clear} to clear the drawings you make on the screen, {Recalibrate} to start the process over if it still is not correct, or {Close} to return to your configuration, or the Setup menu.

In Paradigm 3.0.0 we introduced gestures to P-TS7 hardware, which requires a thin band of pixels on the outside edge of the screen to detect those movements. The way of calibrating touchscreens in software versions lower than 3.0.0 has enough variability that the calibration may cause that thin band of pixels to be missing from the screen.

Press {Screen} screen button and then press {Calibrate Touchscreen} in the bottom left of the screen. You’ll see a screen much like the previous instructions, however there is no + symbols to touch.

In Paradigm 4.0.0 we removed the ability to calibrate the P-TS7 touchscreens in the field. The factory sets the calibration during manufacturing, and much like your cell phone or home tablet, never should need to be calibrated again. Instead of a {Calibrate Touchscreen} button in the Setup menu, you"ll see a {Test Touchscreen} button, which goes to a white screen with a {Close} button. This utility is great for verifying that it takes touch properly. Pushing and holding the Mode button will also get you access to the test screen.

To use multiple displays (some of which are touchscreens), you need to tell Xorg the mapping between the touch surface and the screen. This can be done using xinput to set the touchscreen"s coordinate transformation matrix.

This is a guide to do that, the old-fashioned way, in cases when xrandr does not know about your separate screens because they have been merged into one (e.g., when using TwinView). Everyone else, please go to Touchscreen to do it the easy way.

Tip: If your device contains both a stylus and a touch screen and more touch devices, then please pay attention to the name when determining the device.

Substitute your own touchscreen"s vendor ID, model ID, the xrandr output name, and the calibration matrix that you calculated above. This is based on the assumption that you are using the libinput driver for your touchscreen.

If, after following these instructions, multiple clicks occur in different places when you touch the screen, you will need to build the ABS, applying this patch before you build the package. (This patch fails on the current xorg source, but the bug is present on at least 1 system.)

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The following steps must be done in a Windows environment, even if your touch screen is being used with a different operating system. After connecting the touch screen USB to a Windows device, follow the steps below.

7. This will bring you to the main menu. Make sure that the touch screen USB is connected to your device. If it is connected correctly, it will state "Already link equipment". Should the device not be correctly installed, it will state "Have not linked equipment". In order to disable right click, the touch screen must be properly connected.

8. To calibrate your touch screen, click on the Calibration button. Cross-hairs will appear on the display. Touch the center of each cross-hair as they appear.

9. After calibration is completed, you will be prompted to save the changes. Click Yes to save the calibration or No if you wish to re-calibrate. If there was an error while calibrating, an error will appear asking to either save the calibration or reset. It is recommended that you calibrate the touch screen again to ensure accuracy.

10. Disconnect the USB cable from the Windows device and reconnect to the intended device. Touch should now function as expected in the new operating system.

11. If performing Calibration does not resolve Flipped Orientation issue, the Touch Rotation Tool will need to be used. Use this guide for the Rotation Tool

12. If the above steps do not resolve the issue, please contact the TSI Touch Customer Service team at 802-874-0123 Option 2; email: This email address is being protected from spambots. You need JavaScript enabled to view it.; or by visiting our TSI Touch website and clicking on the red “Help” icon in the lower right corner of the webpage.

If the resolution setting does not match the screen, the touch position will also be affected. For example, when you touch certain positions on the screen, it responds on correct points, but clicks on other positions may activate other areas next to them instead.

When the cursor is on the desktop, right click for the setting menu → click [Display settings ] → choose the touch screen (number 2 screen) and select the corresponding resolution(for example, On-Lap M505T resolution is 1920x1080), and then click "Apply".

When using the Raspberry Pi as a server or industrial monitoring device, it is naturally inevitable to be combined with a touch screen. This article will explain in detail how to connect an external capacitive touch monitor with Raspberry Pi, and execute the touch calibration program to obtain more sensitive and precise touch operation.

If you are having issues with your Touchscreen, this may include being unable to access items to the edge of the screen. For example, your screen may require re-calibration.

NOTE: If Tablet PC Settings is not seen, then make sure that your touchscreen USB cable is attached if using external display. Also check that any touchscreen drivers are installed, you can download these from the Dell Support site.

The touch screen may start to lose its sensitivity due to foreign particles (such as sticky notes) that are blocking the touch sensors. To remove these particles:

Use a clean, lint-free cloth to wipe the surface and sides of the touch screen to remove any dirt or fingerprints. You may spray mild, non-abrasive cleaner or water on the cloth if needed, but not on the screen.

If you do not have Cortana enabled, Then either click the Start button on screen or use Windows key on keyboard. Then click Settings icon (cog). Then type Tablet Mode in the settings search box and select Tablet Mode Settings.