12Step 4: Press the power button on the front panel or the power button on theremote control again to power off the panel. The power indicator turns off.Step 5: If you are not going to use the unit for an extended period of time, werecommend you to switch off the general power switch.Step 1: Ensure that the HDMI or VGA interface and external devices are connectedproperly.Step 2: Select the corresponding signal source on the signal source page. TheWindows page is displayed.Step 3: Select Tablet PC Settings on the Control Panel page.If the cursor position has a big deviation from the actual touch point, calibration is usedto eliminate the deviation. Positioning is required in the following scenarios:● The computer with OPS inserted is used.● The computer is connected through the HDMI or VGA interface.If the positioning is not correct, perform the following operations to calibrate again:PositionInterface operation on Android system does not need positioning. Externaldevices with Microsoft Windows 7 or later versions require positioning.Note