Repeat this for all points (usually 4 or 5 points covering corners and center). Save and Exit Once finished, a message stating "The new calibration settings have been set" will appear.
Not every touch problem can be solved by calibration. When calibration consistently fails or touch issues persist after calibration, hardware problems are likely.
: Supply 24V DC power to the TPC (Touch Panel Control).
Use a Stylus: For maximum precision, use a plastic stylus rather than a finger. mcgs hmi touch calibration
The Power-On MethodThis is the most reliable method if the touch screen is so far out of alignment that you cannot click any buttons. Turn off the power to the HMI.
: If the calibration fails or the unit remains unresponsive, check for common issues like improper shutdowns or power failures that may have corrupted the firmware.
Repeat this for every point until the message is displayed. Repeat this for all points (usually 4 or
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Apply power while holding your finger down on any part of the screen.
这时，一次标准的触摸校准就能让屏幕的坐标映射"重归正轨"，恢复点按的精准度。如果校准后仍不理想，再结合清洁、排线检查等手段逐步排查。 When calibration consistently fails or touch issues persist
When in doubt, start with a clean screen, a non-metallic stylus, and a fresh reboot. If the crosshair routine completes but the screen is still inaccurate, suspect a ground loop or a dying touch overlay. In 90% of cases, the steps above will restore your MCGS HMI to factory precision.
If your screen is completely unresponsive or the drift is too severe to navigate the menus, you can force the calibration screen directly during the boot sequence. Shut down the power supply to the MCGS HMI.
Always use a proper stylus or a soft finger. Never use sharp or metallic objects (like screwdrivers), as these can permanently damage the capacitive or resistive screen layer.
After calibration, do not perform a "cold boot" (full power cycle) immediately. Windows CE saves calibration to RAM first. You must perform a "warm reboot" via the Start Menu or wait 30 seconds before cutting power.