Note: 1. If you did not locate the accurate central point or clicked the wrong point, or the next fixed point appeared without press, please press “ESC” on the keyboard to exit this orientation and re-orient. Otherwise you can’t operate the whiteboard accurately. 2. Please make your pen (finger) upright when orienting. 3. In case the relative position of the whiteboard and projector is changed, or the driver or the monitor resolution is altered, please re-orient.