QOMO IR - Manual (Page 18)

QOMO Hite Vision Interactive Whiteboard User Manual
© Copyright 2012 QOMO HiteVision, LLC. All Rights Reserved
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Notes：
 Calibration with a finger might lead to inaccurate calibration. Calibration
with the pen tend to be more effective.
 Wrong calibration may lead to the whiteboard not working properly and
this requires recalibration.
 Pressing "ESC" during calibration can cancel the current calibration
operation.
 There are minor differences between the calibration interfaces of
different versions of the software. However, the calibration process is
very much the same. For products with shortcut keys on the board, there
are shortcut-key calibration steps at end of the calibration session.