|OnScreen with CrossScanner: for Windows; OnScreen Keyboards with Single Switch Access; Version 1.78 Release 4; User's Guide|
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The Touchscreen option changes the way CrossScanner handles the positioning of the mouse cursor for the final action (Click, Double-click, etc.). When On, the mouse cursor will be positioned by CrossScanner prior to the final action. When Off, there is no repositioning. Because a Touchscreen may reposition the mouse cursor, this can sometimes alleviate click position problems.
Note: Touchscreens typically interface as a mouse device, but there are numerous approaches used by various devices - if there are positioning problems when using a touchscreen with CrossScanner, you should set this option On. There are also different modes in many touchscreen drivers. You may want to set Release Required On, or try different modes within the touchscreen settings.